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Does your patient have long COVID? Some clues on what to look for

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New Yorker Lyss Stern came down with COVID-19 at the beginning of the pandemic, in March 2020. She ran a 103° F fever for 5 days straight and was bedridden for several weeks. Yet symptoms such as a persistent headache and tinnitus, or ringing in her ears, lingered.

“Four months later, I still couldn’t walk four blocks without becoming winded,” says Ms. Stern, 48. Five months after her diagnosis, her doctors finally gave a name to her condition: long COVID.

Long COVID is known by many different names: long-haul COVID, postacute COVID-19, or even chronic COVID. It’s a general term used to describe the range of ongoing health problems people can have after their infection.

The most recent data from the Centers for Disease Control and Prevention has found that one in 13 adults in the United States – 7.5% – have symptoms that last at least 3 months after they first came down with the virus. Another earlier report found that one in five COVID-19 survivors between the ages of 18 and 64, and one in four survivors aged at least 65, have a health condition that may be related to their previous bout with the virus.

Unfortunately, there’s no easy way to screen for long COVID.

“There’s no definite laboratory test to give us a diagnosis,” says Daniel Sterman, MD, director of the division of pulmonary, critical care and sleep medicine at NYU Langone Health in New York. “We’re also still working on a definition, since there’s a whole slew of symptoms associated with the condition.”

It’s a challenge that Ms. Stern is personally acquainted with after she bounced from doctor to doctor for several months before she found her way to the Center for Post-COVID Care at Mount Sinai Hospital in New York. “It was a relief to have an official diagnosis, even if it didn’t bring immediate answers,” she says.
 

What to look for

Many people who become infected with COVID-19 get symptoms that linger for 2-3 weeks after their infection has cleared, says Brittany Baloun, a certified nurse practitioner at the Cleveland Clinic. “It’s not unusual to feel some residual shortness of breath or heart palpitations, especially if you are exerting yourself,” she says. “The acute phase of COVID itself can last for up to 14 days. But if it’s been 30 days since you came down with the virus, and your symptoms are still there and not improving, it indicates some level of long COVID.”

More than 200 symptoms can be linked to long COVID. But perhaps the one that stands out the most is constant fatigue that interferes with daily life.

“We often hear that these patients can’t fold the laundry or take a short walk with their dog without feeling exhausted,” Ms. Baloun says.

This exhaustion may get worse after patients exercise or do something mentally taxing, a condition known as postexertional malaise.

“It can be crushing fatigue; I may clean my room for an hour and talk to a friend, and the next day feel like I can’t get out of bed,” says Allison Guy, 36, who was diagnosed with COVID in February 2021. She’s now a long-COVID advocate in Washington.

Other symptoms can be divided into different categories, which include cardiac/lung symptoms such as shortness of breath, coughing, chest pain, and heart palpitations, as well as neurologic symptoms.

One of the most common neurologic symptoms is brain fog, says Andrew Schamess, MD, a professor of internal medicine at Ohio State University Wexner Medical Center, Columbus, who runs its post-COVID recovery program. “Patients describe feeling ‘fuzzy’ or ‘spacey,’ and often report that they are forgetful or have memory problems,” he says. Others include:

  • Headache.
  • Sleep problems. One 2022 study from the Cleveland Clinic found that more than 40% of patients with long COVID reported sleep disturbances.
  • Dizziness when standing.
  • Pins-and-needles feelings.
  • Changes in smell or taste.
  • Depression or anxiety.

You could also have digestive symptoms such as diarrhea or stomach pain. Other symptoms include joint or muscle pain, rashes, or changes in menstrual cycles.
 

Risk of having other health conditions

People who have had COVID-19, particularly a severe case, may be more at risk of getting other health conditions, such as:

  • Type 2 diabetes.
  • Kidney failure.
  • Pulmonary embolism, or a blood clot in the lung.
  • Myocarditis, an inflamed heart.

While it’s hard to say precisely whether these conditions were caused by COVID, they are most likely linked to it, says Dr. Schamess. A March 2022 study published in The Lancet Diabetes & Endocrinology, for example, found that people who had recovered from COVID-19 had a 40% higher risk of being diagnosed with type 2 diabetes over the next year.

“We don’t know for sure that infection with COVID-19 triggered someone’s diabetes – it may have been that they already had risk factors and the virus pushed them over the edge,” he says.

COVID-19 itself may also worsen conditions you already have, such as asthma, sleep apnea, or fibromyalgia. “We see patients with previously mild asthma who come in constantly coughing and wheezing, for example,” says Dr. Schamess. “They usually respond well once we start aggressive treatment.” That might include a continuous positive airway pressure, or CPAP, setup to help treat sleep apnea, or gabapentin to treat fibromyalgia symptoms.
 

Is it long COVID or something else?

Long COVID can cause a long list of symptoms, and they can easily mean other ailments. That’s one reason why, if your symptoms last for more than a month, it’s important to see a doctor, Ms. Baloun says. They can run a wide variety of tests to check for other conditions, such as a thyroid disorder or vitamin deficiency, that could be confused with long COVID.

They should also run blood tests such as D-dimer. This helps rule out a pulmonary embolism, which can be a complication of COVID-19 and also causes symptoms that may mimic long COVID, such as breathlessness and anxiety. They will also run tests to look for inflammation, Ms. Baloun says.

“These tests can’t provide definitive answers, but they can help provide clues as to what’s causing symptoms and whether they are related to long COVID,” she says.

What’s just as important, says Dr. Schamess, is a careful medical history. This can help pinpoint exactly when symptoms started, when they worsened, and whether anything else could have triggered them.

“I saw a patient recently who presented with symptoms of brain fog, memory loss, fatigue, headache, and sleep disturbance 5 months after she had COVID-19,” says Dr. Schamess. “After we talked, we realized that her symptoms were due to a fainting spell a couple of months earlier where she whacked her head very hard. She didn’t have long COVID – she had a concussion. But I wouldn’t have picked that up if I had just run a whole battery of tests.”

Ms. Stern agrees. “If you have long COVID, you may come across doctors who dismiss your symptoms, especially if your workups don’t show an obvious problem,” she says. “But you know your body. If it still seems like something is wrong, then you need to continue to push until you find answers.”

A version of this article first appeared on WebMD.com.

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New Yorker Lyss Stern came down with COVID-19 at the beginning of the pandemic, in March 2020. She ran a 103° F fever for 5 days straight and was bedridden for several weeks. Yet symptoms such as a persistent headache and tinnitus, or ringing in her ears, lingered.

“Four months later, I still couldn’t walk four blocks without becoming winded,” says Ms. Stern, 48. Five months after her diagnosis, her doctors finally gave a name to her condition: long COVID.

Long COVID is known by many different names: long-haul COVID, postacute COVID-19, or even chronic COVID. It’s a general term used to describe the range of ongoing health problems people can have after their infection.

The most recent data from the Centers for Disease Control and Prevention has found that one in 13 adults in the United States – 7.5% – have symptoms that last at least 3 months after they first came down with the virus. Another earlier report found that one in five COVID-19 survivors between the ages of 18 and 64, and one in four survivors aged at least 65, have a health condition that may be related to their previous bout with the virus.

Unfortunately, there’s no easy way to screen for long COVID.

“There’s no definite laboratory test to give us a diagnosis,” says Daniel Sterman, MD, director of the division of pulmonary, critical care and sleep medicine at NYU Langone Health in New York. “We’re also still working on a definition, since there’s a whole slew of symptoms associated with the condition.”

It’s a challenge that Ms. Stern is personally acquainted with after she bounced from doctor to doctor for several months before she found her way to the Center for Post-COVID Care at Mount Sinai Hospital in New York. “It was a relief to have an official diagnosis, even if it didn’t bring immediate answers,” she says.
 

What to look for

Many people who become infected with COVID-19 get symptoms that linger for 2-3 weeks after their infection has cleared, says Brittany Baloun, a certified nurse practitioner at the Cleveland Clinic. “It’s not unusual to feel some residual shortness of breath or heart palpitations, especially if you are exerting yourself,” she says. “The acute phase of COVID itself can last for up to 14 days. But if it’s been 30 days since you came down with the virus, and your symptoms are still there and not improving, it indicates some level of long COVID.”

More than 200 symptoms can be linked to long COVID. But perhaps the one that stands out the most is constant fatigue that interferes with daily life.

“We often hear that these patients can’t fold the laundry or take a short walk with their dog without feeling exhausted,” Ms. Baloun says.

This exhaustion may get worse after patients exercise or do something mentally taxing, a condition known as postexertional malaise.

“It can be crushing fatigue; I may clean my room for an hour and talk to a friend, and the next day feel like I can’t get out of bed,” says Allison Guy, 36, who was diagnosed with COVID in February 2021. She’s now a long-COVID advocate in Washington.

Other symptoms can be divided into different categories, which include cardiac/lung symptoms such as shortness of breath, coughing, chest pain, and heart palpitations, as well as neurologic symptoms.

One of the most common neurologic symptoms is brain fog, says Andrew Schamess, MD, a professor of internal medicine at Ohio State University Wexner Medical Center, Columbus, who runs its post-COVID recovery program. “Patients describe feeling ‘fuzzy’ or ‘spacey,’ and often report that they are forgetful or have memory problems,” he says. Others include:

  • Headache.
  • Sleep problems. One 2022 study from the Cleveland Clinic found that more than 40% of patients with long COVID reported sleep disturbances.
  • Dizziness when standing.
  • Pins-and-needles feelings.
  • Changes in smell or taste.
  • Depression or anxiety.

You could also have digestive symptoms such as diarrhea or stomach pain. Other symptoms include joint or muscle pain, rashes, or changes in menstrual cycles.
 

Risk of having other health conditions

People who have had COVID-19, particularly a severe case, may be more at risk of getting other health conditions, such as:

  • Type 2 diabetes.
  • Kidney failure.
  • Pulmonary embolism, or a blood clot in the lung.
  • Myocarditis, an inflamed heart.

While it’s hard to say precisely whether these conditions were caused by COVID, they are most likely linked to it, says Dr. Schamess. A March 2022 study published in The Lancet Diabetes & Endocrinology, for example, found that people who had recovered from COVID-19 had a 40% higher risk of being diagnosed with type 2 diabetes over the next year.

“We don’t know for sure that infection with COVID-19 triggered someone’s diabetes – it may have been that they already had risk factors and the virus pushed them over the edge,” he says.

COVID-19 itself may also worsen conditions you already have, such as asthma, sleep apnea, or fibromyalgia. “We see patients with previously mild asthma who come in constantly coughing and wheezing, for example,” says Dr. Schamess. “They usually respond well once we start aggressive treatment.” That might include a continuous positive airway pressure, or CPAP, setup to help treat sleep apnea, or gabapentin to treat fibromyalgia symptoms.
 

Is it long COVID or something else?

Long COVID can cause a long list of symptoms, and they can easily mean other ailments. That’s one reason why, if your symptoms last for more than a month, it’s important to see a doctor, Ms. Baloun says. They can run a wide variety of tests to check for other conditions, such as a thyroid disorder or vitamin deficiency, that could be confused with long COVID.

They should also run blood tests such as D-dimer. This helps rule out a pulmonary embolism, which can be a complication of COVID-19 and also causes symptoms that may mimic long COVID, such as breathlessness and anxiety. They will also run tests to look for inflammation, Ms. Baloun says.

“These tests can’t provide definitive answers, but they can help provide clues as to what’s causing symptoms and whether they are related to long COVID,” she says.

What’s just as important, says Dr. Schamess, is a careful medical history. This can help pinpoint exactly when symptoms started, when they worsened, and whether anything else could have triggered them.

“I saw a patient recently who presented with symptoms of brain fog, memory loss, fatigue, headache, and sleep disturbance 5 months after she had COVID-19,” says Dr. Schamess. “After we talked, we realized that her symptoms were due to a fainting spell a couple of months earlier where she whacked her head very hard. She didn’t have long COVID – she had a concussion. But I wouldn’t have picked that up if I had just run a whole battery of tests.”

Ms. Stern agrees. “If you have long COVID, you may come across doctors who dismiss your symptoms, especially if your workups don’t show an obvious problem,” she says. “But you know your body. If it still seems like something is wrong, then you need to continue to push until you find answers.”

A version of this article first appeared on WebMD.com.

New Yorker Lyss Stern came down with COVID-19 at the beginning of the pandemic, in March 2020. She ran a 103° F fever for 5 days straight and was bedridden for several weeks. Yet symptoms such as a persistent headache and tinnitus, or ringing in her ears, lingered.

“Four months later, I still couldn’t walk four blocks without becoming winded,” says Ms. Stern, 48. Five months after her diagnosis, her doctors finally gave a name to her condition: long COVID.

Long COVID is known by many different names: long-haul COVID, postacute COVID-19, or even chronic COVID. It’s a general term used to describe the range of ongoing health problems people can have after their infection.

The most recent data from the Centers for Disease Control and Prevention has found that one in 13 adults in the United States – 7.5% – have symptoms that last at least 3 months after they first came down with the virus. Another earlier report found that one in five COVID-19 survivors between the ages of 18 and 64, and one in four survivors aged at least 65, have a health condition that may be related to their previous bout with the virus.

Unfortunately, there’s no easy way to screen for long COVID.

“There’s no definite laboratory test to give us a diagnosis,” says Daniel Sterman, MD, director of the division of pulmonary, critical care and sleep medicine at NYU Langone Health in New York. “We’re also still working on a definition, since there’s a whole slew of symptoms associated with the condition.”

It’s a challenge that Ms. Stern is personally acquainted with after she bounced from doctor to doctor for several months before she found her way to the Center for Post-COVID Care at Mount Sinai Hospital in New York. “It was a relief to have an official diagnosis, even if it didn’t bring immediate answers,” she says.
 

What to look for

Many people who become infected with COVID-19 get symptoms that linger for 2-3 weeks after their infection has cleared, says Brittany Baloun, a certified nurse practitioner at the Cleveland Clinic. “It’s not unusual to feel some residual shortness of breath or heart palpitations, especially if you are exerting yourself,” she says. “The acute phase of COVID itself can last for up to 14 days. But if it’s been 30 days since you came down with the virus, and your symptoms are still there and not improving, it indicates some level of long COVID.”

More than 200 symptoms can be linked to long COVID. But perhaps the one that stands out the most is constant fatigue that interferes with daily life.

“We often hear that these patients can’t fold the laundry or take a short walk with their dog without feeling exhausted,” Ms. Baloun says.

This exhaustion may get worse after patients exercise or do something mentally taxing, a condition known as postexertional malaise.

“It can be crushing fatigue; I may clean my room for an hour and talk to a friend, and the next day feel like I can’t get out of bed,” says Allison Guy, 36, who was diagnosed with COVID in February 2021. She’s now a long-COVID advocate in Washington.

Other symptoms can be divided into different categories, which include cardiac/lung symptoms such as shortness of breath, coughing, chest pain, and heart palpitations, as well as neurologic symptoms.

One of the most common neurologic symptoms is brain fog, says Andrew Schamess, MD, a professor of internal medicine at Ohio State University Wexner Medical Center, Columbus, who runs its post-COVID recovery program. “Patients describe feeling ‘fuzzy’ or ‘spacey,’ and often report that they are forgetful or have memory problems,” he says. Others include:

  • Headache.
  • Sleep problems. One 2022 study from the Cleveland Clinic found that more than 40% of patients with long COVID reported sleep disturbances.
  • Dizziness when standing.
  • Pins-and-needles feelings.
  • Changes in smell or taste.
  • Depression or anxiety.

You could also have digestive symptoms such as diarrhea or stomach pain. Other symptoms include joint or muscle pain, rashes, or changes in menstrual cycles.
 

Risk of having other health conditions

People who have had COVID-19, particularly a severe case, may be more at risk of getting other health conditions, such as:

  • Type 2 diabetes.
  • Kidney failure.
  • Pulmonary embolism, or a blood clot in the lung.
  • Myocarditis, an inflamed heart.

While it’s hard to say precisely whether these conditions were caused by COVID, they are most likely linked to it, says Dr. Schamess. A March 2022 study published in The Lancet Diabetes & Endocrinology, for example, found that people who had recovered from COVID-19 had a 40% higher risk of being diagnosed with type 2 diabetes over the next year.

“We don’t know for sure that infection with COVID-19 triggered someone’s diabetes – it may have been that they already had risk factors and the virus pushed them over the edge,” he says.

COVID-19 itself may also worsen conditions you already have, such as asthma, sleep apnea, or fibromyalgia. “We see patients with previously mild asthma who come in constantly coughing and wheezing, for example,” says Dr. Schamess. “They usually respond well once we start aggressive treatment.” That might include a continuous positive airway pressure, or CPAP, setup to help treat sleep apnea, or gabapentin to treat fibromyalgia symptoms.
 

Is it long COVID or something else?

Long COVID can cause a long list of symptoms, and they can easily mean other ailments. That’s one reason why, if your symptoms last for more than a month, it’s important to see a doctor, Ms. Baloun says. They can run a wide variety of tests to check for other conditions, such as a thyroid disorder or vitamin deficiency, that could be confused with long COVID.

They should also run blood tests such as D-dimer. This helps rule out a pulmonary embolism, which can be a complication of COVID-19 and also causes symptoms that may mimic long COVID, such as breathlessness and anxiety. They will also run tests to look for inflammation, Ms. Baloun says.

“These tests can’t provide definitive answers, but they can help provide clues as to what’s causing symptoms and whether they are related to long COVID,” she says.

What’s just as important, says Dr. Schamess, is a careful medical history. This can help pinpoint exactly when symptoms started, when they worsened, and whether anything else could have triggered them.

“I saw a patient recently who presented with symptoms of brain fog, memory loss, fatigue, headache, and sleep disturbance 5 months after she had COVID-19,” says Dr. Schamess. “After we talked, we realized that her symptoms were due to a fainting spell a couple of months earlier where she whacked her head very hard. She didn’t have long COVID – she had a concussion. But I wouldn’t have picked that up if I had just run a whole battery of tests.”

Ms. Stern agrees. “If you have long COVID, you may come across doctors who dismiss your symptoms, especially if your workups don’t show an obvious problem,” she says. “But you know your body. If it still seems like something is wrong, then you need to continue to push until you find answers.”

A version of this article first appeared on WebMD.com.

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Biden tests positive for COVID-19: White House

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Thu, 07/21/2022 - 13:10

President Joe Biden has tested positive for COVID-19, the White House announced today.

Biden, 79, is experiencing “very mild” symptoms, White House Press Secretary Karine Jean-Pierre said in a statement. The president is fully vaccinated and has been boosted twice and has started taking the antiviral Paxlovid since testing positive, Ms. Jean-Pierre said.

President Biden plans to isolate at the White House and “will continue to carry out all of his duties fully during that time,” the statement said.

“He has been in contact with members of the White House staff by phone this morning, and will participate in his planned meetings at the White House this morning via phone and Zoom from the residence.”

President Biden will return to in-person work after he tests negative.

This is a developing story. Please check back for updates. A version of this article first appeared on WebMD.com .

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President Joe Biden has tested positive for COVID-19, the White House announced today.

Biden, 79, is experiencing “very mild” symptoms, White House Press Secretary Karine Jean-Pierre said in a statement. The president is fully vaccinated and has been boosted twice and has started taking the antiviral Paxlovid since testing positive, Ms. Jean-Pierre said.

President Biden plans to isolate at the White House and “will continue to carry out all of his duties fully during that time,” the statement said.

“He has been in contact with members of the White House staff by phone this morning, and will participate in his planned meetings at the White House this morning via phone and Zoom from the residence.”

President Biden will return to in-person work after he tests negative.

This is a developing story. Please check back for updates. A version of this article first appeared on WebMD.com .

President Joe Biden has tested positive for COVID-19, the White House announced today.

Biden, 79, is experiencing “very mild” symptoms, White House Press Secretary Karine Jean-Pierre said in a statement. The president is fully vaccinated and has been boosted twice and has started taking the antiviral Paxlovid since testing positive, Ms. Jean-Pierre said.

President Biden plans to isolate at the White House and “will continue to carry out all of his duties fully during that time,” the statement said.

“He has been in contact with members of the White House staff by phone this morning, and will participate in his planned meetings at the White House this morning via phone and Zoom from the residence.”

President Biden will return to in-person work after he tests negative.

This is a developing story. Please check back for updates. A version of this article first appeared on WebMD.com .

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Job market for physicians, advanced practitioners rebounds after COVID-19 slump: Report

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Mon, 07/25/2022 - 09:11

After a year of uncertainty and decline because of the COVID-19 pandemic, demand for clinicians has rebounded – and the job market for new physicians and advanced practitioners is back to normal, or more accurately “the new normal,” according to a recently released report from Merritt Hawkins, the physician search division of AMN Healthcare.

The study is based on an analysis of job search and consulting assignments that the firm conducted on behalf of its health care organization clients from April 1, 2021, to March 31, 2022.

“Search engagements were down a little over 30% in 2020, but by the end of 2021, everything started spiking dramatically to the point of where we were at a 34-year high,” Michael Belkin, divisional vice president with Merritt Hawkins, told this news organization. “The pendulum has gone all the way back. People are more interested in going out and seeing their physicians.”

Demand for physicians was suppressed during the peak of the pandemic, as many hospitals curtailed elective procedures and many patients refrained from entering a medical facility. A large backlog of patients needing care subsequently developed.

This, combined with an aging population and widespread chronic medical conditions, has caused a strong surge in demand for physicians and advanced practitioners, according to the report.

In addition to the volume of searches increasing, physician starting salaries have rebounded from the COVID-19 downturn.

Average starting salaries of 14 physician specialties tracked in 2021/2022 increased, while only 3 decreased. Orthopedic surgeons were offered an average of $565,000 to start, exclusive of signing bonuses and other incentives, up from $546,000 the previous year. Urologists were offered an average of $510,000 to start, up from $497,000; gastroenterologists were offered $474,000, up from $453,000; while radiologists were offered $455,000, up from $401,000.

Similarly, a recent Medscape study based on responses from more than 13,000 U.S. physicians across 29 specialties found that income for all physician specialists increased, with otolaryngologists, gastroenterologists, and dermatologists experiencing the greatest gains.
 

A new reality

While the job market for physicians and advanced practitioners has seemingly recovered, there are many differences between today’s working environment for clinicians and what existed during the pandemic.

First, specialists are now stepping into the spotlight, a position that primary care clinicians previously held. The majority of Merritt Hawkins’ search engagements (64%) in 2021/2022 were for physician specialists, including cardiologists, gastroenterologists, orthopedic surgeons, neurologists, oncologists, and others. Only 17% of the search engagements were for primary care physicians, down from 18% in 2020/2021 and 20% in 2019/2020.

“We’ve seen specialties bounce back faster. Of course, you’ve got the aging population; you’ve got people that want that specialized care,” Mr. Belkin said.

Advanced practitioners also are playing a more significant role in the postpandemic word. In fact, 19% of Merritt Hawkins’ search engagements were for advanced practitioners, including nurse practitioners (NPs), physician assistants, and certified registered nurse anesthetists, up from 18% the previous year and just 13% the year prior to that, indicating growing demand for nonphysician providers.

NPs, in fact, topped the list of most requested search engagements, underscoring a shift from traditional physician office-based primary care delivery settings toward “convenient care” settings such as urgent care centers and retail clinics that are largely staffed by NPs and other advanced practitioners.

Advanced practitioners are taking on more responsibility for primary care simply because there is a large number of these professionals ready to take on the challenge.

The health care industry was “not able to produce enough primary care physicians over the last decade. So advanced practitioners, I believe, have slowly started to work alongside those primary care physicians. In a lot of areas such as your retail space, your CVS, your Walmart, your Walgreens, your standalone urgent cares, they’ve stepped up,” Mr. Belkin said.

Advanced practitioners also are providing the convenience that consumers are increasingly demanding.

“We are a society that wants things immediately ... but it’s still a challenge to schedule an appointment with a physician. However, it’s less of a challenge to get into a retail clinic or an urgent care center or to schedule something through telehealth,” Mr. Belkin noted.
 

 

 

More than just money

With the job market strong, the challenge for health care organizations is to create competitive recruiting packages. Sure enough, 92% of candidates were offered signing bonuses in 2021/2022 compared with just 61% in 2020/2021.

The financial incentives, however, might not be enough. In this environment, health care organizations need to go beyond simply offering competitive salaries to new recruits. For example, clinicians are seeking flexibility, as many potential hires are seeking remote positions. In fact, 18% of radiology search engagements were for teleradiologists, while 15% of its search engagements for psychiatrists were for telepsychiatrists in 2021/2022.

“Right now, quality of life is a very important factor. It’s work-life balance. It’s sensitivity to the stresses that we just experienced over the last 2.5 years,” Mr. Belkin concluded. “There’s more sensitivity around the culture of the organizations. What’s the leadership like? How did the organization handle the pandemic? How do they respond?”

A version of this article first appeared on Medscape.com.

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After a year of uncertainty and decline because of the COVID-19 pandemic, demand for clinicians has rebounded – and the job market for new physicians and advanced practitioners is back to normal, or more accurately “the new normal,” according to a recently released report from Merritt Hawkins, the physician search division of AMN Healthcare.

The study is based on an analysis of job search and consulting assignments that the firm conducted on behalf of its health care organization clients from April 1, 2021, to March 31, 2022.

“Search engagements were down a little over 30% in 2020, but by the end of 2021, everything started spiking dramatically to the point of where we were at a 34-year high,” Michael Belkin, divisional vice president with Merritt Hawkins, told this news organization. “The pendulum has gone all the way back. People are more interested in going out and seeing their physicians.”

Demand for physicians was suppressed during the peak of the pandemic, as many hospitals curtailed elective procedures and many patients refrained from entering a medical facility. A large backlog of patients needing care subsequently developed.

This, combined with an aging population and widespread chronic medical conditions, has caused a strong surge in demand for physicians and advanced practitioners, according to the report.

In addition to the volume of searches increasing, physician starting salaries have rebounded from the COVID-19 downturn.

Average starting salaries of 14 physician specialties tracked in 2021/2022 increased, while only 3 decreased. Orthopedic surgeons were offered an average of $565,000 to start, exclusive of signing bonuses and other incentives, up from $546,000 the previous year. Urologists were offered an average of $510,000 to start, up from $497,000; gastroenterologists were offered $474,000, up from $453,000; while radiologists were offered $455,000, up from $401,000.

Similarly, a recent Medscape study based on responses from more than 13,000 U.S. physicians across 29 specialties found that income for all physician specialists increased, with otolaryngologists, gastroenterologists, and dermatologists experiencing the greatest gains.
 

A new reality

While the job market for physicians and advanced practitioners has seemingly recovered, there are many differences between today’s working environment for clinicians and what existed during the pandemic.

First, specialists are now stepping into the spotlight, a position that primary care clinicians previously held. The majority of Merritt Hawkins’ search engagements (64%) in 2021/2022 were for physician specialists, including cardiologists, gastroenterologists, orthopedic surgeons, neurologists, oncologists, and others. Only 17% of the search engagements were for primary care physicians, down from 18% in 2020/2021 and 20% in 2019/2020.

“We’ve seen specialties bounce back faster. Of course, you’ve got the aging population; you’ve got people that want that specialized care,” Mr. Belkin said.

Advanced practitioners also are playing a more significant role in the postpandemic word. In fact, 19% of Merritt Hawkins’ search engagements were for advanced practitioners, including nurse practitioners (NPs), physician assistants, and certified registered nurse anesthetists, up from 18% the previous year and just 13% the year prior to that, indicating growing demand for nonphysician providers.

NPs, in fact, topped the list of most requested search engagements, underscoring a shift from traditional physician office-based primary care delivery settings toward “convenient care” settings such as urgent care centers and retail clinics that are largely staffed by NPs and other advanced practitioners.

Advanced practitioners are taking on more responsibility for primary care simply because there is a large number of these professionals ready to take on the challenge.

The health care industry was “not able to produce enough primary care physicians over the last decade. So advanced practitioners, I believe, have slowly started to work alongside those primary care physicians. In a lot of areas such as your retail space, your CVS, your Walmart, your Walgreens, your standalone urgent cares, they’ve stepped up,” Mr. Belkin said.

Advanced practitioners also are providing the convenience that consumers are increasingly demanding.

“We are a society that wants things immediately ... but it’s still a challenge to schedule an appointment with a physician. However, it’s less of a challenge to get into a retail clinic or an urgent care center or to schedule something through telehealth,” Mr. Belkin noted.
 

 

 

More than just money

With the job market strong, the challenge for health care organizations is to create competitive recruiting packages. Sure enough, 92% of candidates were offered signing bonuses in 2021/2022 compared with just 61% in 2020/2021.

The financial incentives, however, might not be enough. In this environment, health care organizations need to go beyond simply offering competitive salaries to new recruits. For example, clinicians are seeking flexibility, as many potential hires are seeking remote positions. In fact, 18% of radiology search engagements were for teleradiologists, while 15% of its search engagements for psychiatrists were for telepsychiatrists in 2021/2022.

“Right now, quality of life is a very important factor. It’s work-life balance. It’s sensitivity to the stresses that we just experienced over the last 2.5 years,” Mr. Belkin concluded. “There’s more sensitivity around the culture of the organizations. What’s the leadership like? How did the organization handle the pandemic? How do they respond?”

A version of this article first appeared on Medscape.com.

After a year of uncertainty and decline because of the COVID-19 pandemic, demand for clinicians has rebounded – and the job market for new physicians and advanced practitioners is back to normal, or more accurately “the new normal,” according to a recently released report from Merritt Hawkins, the physician search division of AMN Healthcare.

The study is based on an analysis of job search and consulting assignments that the firm conducted on behalf of its health care organization clients from April 1, 2021, to March 31, 2022.

“Search engagements were down a little over 30% in 2020, but by the end of 2021, everything started spiking dramatically to the point of where we were at a 34-year high,” Michael Belkin, divisional vice president with Merritt Hawkins, told this news organization. “The pendulum has gone all the way back. People are more interested in going out and seeing their physicians.”

Demand for physicians was suppressed during the peak of the pandemic, as many hospitals curtailed elective procedures and many patients refrained from entering a medical facility. A large backlog of patients needing care subsequently developed.

This, combined with an aging population and widespread chronic medical conditions, has caused a strong surge in demand for physicians and advanced practitioners, according to the report.

In addition to the volume of searches increasing, physician starting salaries have rebounded from the COVID-19 downturn.

Average starting salaries of 14 physician specialties tracked in 2021/2022 increased, while only 3 decreased. Orthopedic surgeons were offered an average of $565,000 to start, exclusive of signing bonuses and other incentives, up from $546,000 the previous year. Urologists were offered an average of $510,000 to start, up from $497,000; gastroenterologists were offered $474,000, up from $453,000; while radiologists were offered $455,000, up from $401,000.

Similarly, a recent Medscape study based on responses from more than 13,000 U.S. physicians across 29 specialties found that income for all physician specialists increased, with otolaryngologists, gastroenterologists, and dermatologists experiencing the greatest gains.
 

A new reality

While the job market for physicians and advanced practitioners has seemingly recovered, there are many differences between today’s working environment for clinicians and what existed during the pandemic.

First, specialists are now stepping into the spotlight, a position that primary care clinicians previously held. The majority of Merritt Hawkins’ search engagements (64%) in 2021/2022 were for physician specialists, including cardiologists, gastroenterologists, orthopedic surgeons, neurologists, oncologists, and others. Only 17% of the search engagements were for primary care physicians, down from 18% in 2020/2021 and 20% in 2019/2020.

“We’ve seen specialties bounce back faster. Of course, you’ve got the aging population; you’ve got people that want that specialized care,” Mr. Belkin said.

Advanced practitioners also are playing a more significant role in the postpandemic word. In fact, 19% of Merritt Hawkins’ search engagements were for advanced practitioners, including nurse practitioners (NPs), physician assistants, and certified registered nurse anesthetists, up from 18% the previous year and just 13% the year prior to that, indicating growing demand for nonphysician providers.

NPs, in fact, topped the list of most requested search engagements, underscoring a shift from traditional physician office-based primary care delivery settings toward “convenient care” settings such as urgent care centers and retail clinics that are largely staffed by NPs and other advanced practitioners.

Advanced practitioners are taking on more responsibility for primary care simply because there is a large number of these professionals ready to take on the challenge.

The health care industry was “not able to produce enough primary care physicians over the last decade. So advanced practitioners, I believe, have slowly started to work alongside those primary care physicians. In a lot of areas such as your retail space, your CVS, your Walmart, your Walgreens, your standalone urgent cares, they’ve stepped up,” Mr. Belkin said.

Advanced practitioners also are providing the convenience that consumers are increasingly demanding.

“We are a society that wants things immediately ... but it’s still a challenge to schedule an appointment with a physician. However, it’s less of a challenge to get into a retail clinic or an urgent care center or to schedule something through telehealth,” Mr. Belkin noted.
 

 

 

More than just money

With the job market strong, the challenge for health care organizations is to create competitive recruiting packages. Sure enough, 92% of candidates were offered signing bonuses in 2021/2022 compared with just 61% in 2020/2021.

The financial incentives, however, might not be enough. In this environment, health care organizations need to go beyond simply offering competitive salaries to new recruits. For example, clinicians are seeking flexibility, as many potential hires are seeking remote positions. In fact, 18% of radiology search engagements were for teleradiologists, while 15% of its search engagements for psychiatrists were for telepsychiatrists in 2021/2022.

“Right now, quality of life is a very important factor. It’s work-life balance. It’s sensitivity to the stresses that we just experienced over the last 2.5 years,” Mr. Belkin concluded. “There’s more sensitivity around the culture of the organizations. What’s the leadership like? How did the organization handle the pandemic? How do they respond?”

A version of this article first appeared on Medscape.com.

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What are your weaknesses?

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Changed
Thu, 07/21/2022 - 11:11

In a video posted to TikTok by the comedian Will Flanary, MD, better known to his followers as Dr. Glaucomflecken, he imitates a neurosurgical residency interview. With glasses perched on the bridge of his nose, Dr. Glaucomflecken poses as the attending, asking: “What are your weaknesses?”

The residency applicant answers without hesitation: “My physiological need for sleep.” “What are your strengths?” The resident replies with the hard, steely stare of the determined and uninitiated: “My desire to eliminate my physiological need for sleep.”

If you follow Dr. Glaucomflecken on Twitter, you might know the skit I’m referencing. For many physicians and physicians-in-training, what makes the satire successful is its reflection of reality.

Many things have changed in medicine since his time, but the tired trope of the sleepless surgeon hangs on. Undaunted, I spent my second and third year of medical school accumulating accolades, conducting research, and connecting with mentors with the singular goal of joining the surgical ranks.

Midway through my third year, I completed a month-long surgical subinternship designed to give students a taste of what life would look like as an intern. I loved the operating room; it felt like the difference between being on dry land and being underwater. There were fewer distractions – your patient in the spotlight while everything else receded to the shadows.

However, as the month wore on, something stronger took hold. I couldn’t keep my eyes open in the darkened operating rooms and had to decline stools, fearing that I would fall asleep if I sat down.

On early morning prerounds, it’s 4:50 a.m. when I glance at the clock and pull back the curtain, already apologizing. My patient rolls over, flashing a wry smile. “Do you ever go home?” I’ve seen residents respond to this exact question in various ways. I live here. Yes. No. Soon. Not enough. My partner doesn’t think so.

There are days and, yes, years when we are led to believe this is what we live for: to be constantly available to our patients. It feels like a hollow victory when the patient, 2 days out from a total colectomy, begins to worry about your personal life. I ask her how she slept (not enough), any fevers (no), vomiting (no), urinating (I pause – she has a catheter).

My favorite part of these early morning rounds is the pause in my scripted litany of questions to listen to heart and lungs. It never fails to feel sacred: Patients become so quiet and still that I can’t help but think they have faith in me. Without prompting, she slides the back of her hospital gown forward like a curtain, already taking deep breaths so I can hear her lungs.

I look outside. The streetlights are still on, and from the seventh-floor window, I can watch staff making their way through the sliding double-doors, just beyond the yellowed pools of streetlight. I smile. I love medicine. I’m so tired.

For many in medicine, we are treated, and thus behave, as though our ability to manipulate physiology should also apply within the borders of our bodies: commanding less sleep, food, or bathroom breaks.

It places health care workers solidly in the realm of superhuman, living beyond one’s corporeal needs. The pandemic only heightened this misappropriation – adding hero and setting out a pedestal for health care workers to make their ungainly ascent. This kind of unsolicited admiration implicitly implies inhumanness, an otherness.

What would it look like if we started treating ourselves less like physicians and more like patients? I wish I was offering a solution, but really this is just a story. Maybe it’s not more sleep you need but something just as critical to the delicate physiologic and psychological scales of well-being.

To students rising through the ranks of medical training, identify what it is you need early and often. I can count on one hand how many physicians I’ve seen take a lunch break – even 10 minutes. Embrace hard work and self-preservation equally. My hope is that if enough of us take this path, it just might become a matter of course.

Dr. Meffert is a resident in the department of emergency medicine, MedStar Georgetown University Hospital, Washington Hospital Center, Washington. Dr. Meffert disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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In a video posted to TikTok by the comedian Will Flanary, MD, better known to his followers as Dr. Glaucomflecken, he imitates a neurosurgical residency interview. With glasses perched on the bridge of his nose, Dr. Glaucomflecken poses as the attending, asking: “What are your weaknesses?”

The residency applicant answers without hesitation: “My physiological need for sleep.” “What are your strengths?” The resident replies with the hard, steely stare of the determined and uninitiated: “My desire to eliminate my physiological need for sleep.”

If you follow Dr. Glaucomflecken on Twitter, you might know the skit I’m referencing. For many physicians and physicians-in-training, what makes the satire successful is its reflection of reality.

Many things have changed in medicine since his time, but the tired trope of the sleepless surgeon hangs on. Undaunted, I spent my second and third year of medical school accumulating accolades, conducting research, and connecting with mentors with the singular goal of joining the surgical ranks.

Midway through my third year, I completed a month-long surgical subinternship designed to give students a taste of what life would look like as an intern. I loved the operating room; it felt like the difference between being on dry land and being underwater. There were fewer distractions – your patient in the spotlight while everything else receded to the shadows.

However, as the month wore on, something stronger took hold. I couldn’t keep my eyes open in the darkened operating rooms and had to decline stools, fearing that I would fall asleep if I sat down.

On early morning prerounds, it’s 4:50 a.m. when I glance at the clock and pull back the curtain, already apologizing. My patient rolls over, flashing a wry smile. “Do you ever go home?” I’ve seen residents respond to this exact question in various ways. I live here. Yes. No. Soon. Not enough. My partner doesn’t think so.

There are days and, yes, years when we are led to believe this is what we live for: to be constantly available to our patients. It feels like a hollow victory when the patient, 2 days out from a total colectomy, begins to worry about your personal life. I ask her how she slept (not enough), any fevers (no), vomiting (no), urinating (I pause – she has a catheter).

My favorite part of these early morning rounds is the pause in my scripted litany of questions to listen to heart and lungs. It never fails to feel sacred: Patients become so quiet and still that I can’t help but think they have faith in me. Without prompting, she slides the back of her hospital gown forward like a curtain, already taking deep breaths so I can hear her lungs.

I look outside. The streetlights are still on, and from the seventh-floor window, I can watch staff making their way through the sliding double-doors, just beyond the yellowed pools of streetlight. I smile. I love medicine. I’m so tired.

For many in medicine, we are treated, and thus behave, as though our ability to manipulate physiology should also apply within the borders of our bodies: commanding less sleep, food, or bathroom breaks.

It places health care workers solidly in the realm of superhuman, living beyond one’s corporeal needs. The pandemic only heightened this misappropriation – adding hero and setting out a pedestal for health care workers to make their ungainly ascent. This kind of unsolicited admiration implicitly implies inhumanness, an otherness.

What would it look like if we started treating ourselves less like physicians and more like patients? I wish I was offering a solution, but really this is just a story. Maybe it’s not more sleep you need but something just as critical to the delicate physiologic and psychological scales of well-being.

To students rising through the ranks of medical training, identify what it is you need early and often. I can count on one hand how many physicians I’ve seen take a lunch break – even 10 minutes. Embrace hard work and self-preservation equally. My hope is that if enough of us take this path, it just might become a matter of course.

Dr. Meffert is a resident in the department of emergency medicine, MedStar Georgetown University Hospital, Washington Hospital Center, Washington. Dr. Meffert disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

In a video posted to TikTok by the comedian Will Flanary, MD, better known to his followers as Dr. Glaucomflecken, he imitates a neurosurgical residency interview. With glasses perched on the bridge of his nose, Dr. Glaucomflecken poses as the attending, asking: “What are your weaknesses?”

The residency applicant answers without hesitation: “My physiological need for sleep.” “What are your strengths?” The resident replies with the hard, steely stare of the determined and uninitiated: “My desire to eliminate my physiological need for sleep.”

If you follow Dr. Glaucomflecken on Twitter, you might know the skit I’m referencing. For many physicians and physicians-in-training, what makes the satire successful is its reflection of reality.

Many things have changed in medicine since his time, but the tired trope of the sleepless surgeon hangs on. Undaunted, I spent my second and third year of medical school accumulating accolades, conducting research, and connecting with mentors with the singular goal of joining the surgical ranks.

Midway through my third year, I completed a month-long surgical subinternship designed to give students a taste of what life would look like as an intern. I loved the operating room; it felt like the difference between being on dry land and being underwater. There were fewer distractions – your patient in the spotlight while everything else receded to the shadows.

However, as the month wore on, something stronger took hold. I couldn’t keep my eyes open in the darkened operating rooms and had to decline stools, fearing that I would fall asleep if I sat down.

On early morning prerounds, it’s 4:50 a.m. when I glance at the clock and pull back the curtain, already apologizing. My patient rolls over, flashing a wry smile. “Do you ever go home?” I’ve seen residents respond to this exact question in various ways. I live here. Yes. No. Soon. Not enough. My partner doesn’t think so.

There are days and, yes, years when we are led to believe this is what we live for: to be constantly available to our patients. It feels like a hollow victory when the patient, 2 days out from a total colectomy, begins to worry about your personal life. I ask her how she slept (not enough), any fevers (no), vomiting (no), urinating (I pause – she has a catheter).

My favorite part of these early morning rounds is the pause in my scripted litany of questions to listen to heart and lungs. It never fails to feel sacred: Patients become so quiet and still that I can’t help but think they have faith in me. Without prompting, she slides the back of her hospital gown forward like a curtain, already taking deep breaths so I can hear her lungs.

I look outside. The streetlights are still on, and from the seventh-floor window, I can watch staff making their way through the sliding double-doors, just beyond the yellowed pools of streetlight. I smile. I love medicine. I’m so tired.

For many in medicine, we are treated, and thus behave, as though our ability to manipulate physiology should also apply within the borders of our bodies: commanding less sleep, food, or bathroom breaks.

It places health care workers solidly in the realm of superhuman, living beyond one’s corporeal needs. The pandemic only heightened this misappropriation – adding hero and setting out a pedestal for health care workers to make their ungainly ascent. This kind of unsolicited admiration implicitly implies inhumanness, an otherness.

What would it look like if we started treating ourselves less like physicians and more like patients? I wish I was offering a solution, but really this is just a story. Maybe it’s not more sleep you need but something just as critical to the delicate physiologic and psychological scales of well-being.

To students rising through the ranks of medical training, identify what it is you need early and often. I can count on one hand how many physicians I’ve seen take a lunch break – even 10 minutes. Embrace hard work and self-preservation equally. My hope is that if enough of us take this path, it just might become a matter of course.

Dr. Meffert is a resident in the department of emergency medicine, MedStar Georgetown University Hospital, Washington Hospital Center, Washington. Dr. Meffert disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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Charcoal could be the cure for the common high-fat diet

Article Type
Changed
Mon, 07/25/2022 - 14:11

 

Charcoal won’t let high-fat diet weigh you down

Do you want to be the funniest person alive? Of course you do. It’s really simple too, just one joke can make you the greatest comedian of all time. All you have to do is go camping and cook food over a roaring campfire. When someone drops food into the fire (which they always will), get ready. Once they fish out the offending food, which is almost certainly coated in hot coals, tell them: “Ah, eat it anyway. A little texture never hurt!” Trust us, most hilarious and original gag of all time.

But before your hapless friend brushes off his hot dog and forces a laugh, consider this: Japanese researchers have found that a charcoal supplement can prevent weight gain in mice consuming a high-fat diet. Charcoal is actually quite the helpful substance, and not just for grilling. It’s been used as medicine for hundreds of years and even today is used as a treatment for drug overdose and excess gas and flatulence.

PxHere

The study involved two groups of mice: One was fed a normal diet, the other a high-fat diet. After 12 weeks, the high-fat diet mice had gained weight. At that point, edible activated charcoal was added to their diet. From that point, weight gain was similar between the two groups, and the amount of bile acid, cholesterol, triglyceride, and fatty acid excreted by the high-fat mice increased by two to four times.

The researchers supported the notion that consuming an activated charcoal supplement before or while eating fatty food could prevent weight gain from said fatty food. Which works out well for the classic American barbecue, which is traditionally both high in fat and charcoal. All you have to do is buy some extra charcoal briquettes to pass around and munch on with your friends. Now that’s a party we can get behind.
 

There’s awake, and then there’s neurologically awake

Time to toss another urban legend onto the trash heap of history. Say goodbye to the benefits of uninterrupted sleep. It’s a fraud, a fake, a myth, a hit or myth, a swing and a myth, an old wives’ tale. You can stuff it and put it on a shelf next to Bigfoot, the Slender Man, and Twinkies.

JackF/thinkstockphotos.com

We all thought we needed 8 hours of uninterrupted sleep every night, but guess who we forgot to tell? Our brains. They’ve been doing exactly the opposite all along, laughing at us the whole time. Smug SOBs.

To straighten out this mess, let’s bring in a scientist, Celia Kjaerby of the Center for Translational Neuromedicine at the University of Copenhagen: “You may think that sleep is a constant state that you are in, and then you wake up. But there is a lot more to sleep than meets the eye. We have learned that noradrenaline causes you to wake up more than 100 times a night. And that is during perfectly normal sleep.”

Those 100 or so sleep interruptions are so brief that we don’t even notice, but they are very important, according to a study conducted at the university. Those tiny little wake-up calls are “the essence for the part of sleep that makes us wake up rested and which enables us to remember what we learned the day before. ... The very short awakenings are created by waves of norepinephrine [and they] reset the brain so that it is ready to store memory when you dive back into sleep,” lead author Maiken Nedergaard, MD, explained.

The investigators compared the level of noradrenaline in sleeping mice with their electrical activity and found that the hormone constantly increased and decreased in a wavelike pattern. A high level meant that the animal was neurologically awake. Deeper valleys between the high points meant better sleep, and the mice with the “highest number of deep noradrenaline valleys were also the ones with the best memory,” the team said in their written statement.

Not just the best memory, they said, but “super memory.” That, of course, was enough to get the attention of Marvel Comics, so the next Disney superhero blockbuster will feature Nocturna, the queen of the night. Her power? Never forgets. Her archnemesis? The Insomniac. Her catchphrase? “Let me sleep on it.”

 

Words can hurt, literally

Growing up, we’re sure you heard the “sticks and stones” rhyme. Maybe you’ve even recited it once or twice to defend yourself. Well, forget it, because words can hurt and your brain knows it.

PxHere

In a new study published in Frontiers in Communication, Marijn Struiksma, PhD, of Utrecht University, and colleagues incorporated the use of electroencephalography (EEG) and skin conductance on 79 women to see how words (specifically insults) actually affect the human body.

Each subject was asked to read three different types of statements: an insult, a compliment, and something factual but neutral. Half of the statements contained the subject’s name and half used somebody else’s. The participants were told that these statements were collected from three men.

Nobody interacted with each other, and the setting was completely clinical, yet the results were unmistakable. The EEG showed an effect in P2 amplitude with repetitive insults, no matter who it was about. Even though the insults weren’t real and the participants were aware of it, the brain still recognized them as hurtful, coming across as “mini slaps in the face,” Dr. Struiksma noted in a written statement.

The researchers noted that more needs to be done to better understand the long-term effects that insults can have and create a deeper understanding between words and emotion, but studying the effects of insults in a real-life setting is ethically tricky. This study is a start.

So, yeah, sticks and stones can break your bones, but words will actually hurt you.

This article was updated 7/21/22.

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Charcoal won’t let high-fat diet weigh you down

Do you want to be the funniest person alive? Of course you do. It’s really simple too, just one joke can make you the greatest comedian of all time. All you have to do is go camping and cook food over a roaring campfire. When someone drops food into the fire (which they always will), get ready. Once they fish out the offending food, which is almost certainly coated in hot coals, tell them: “Ah, eat it anyway. A little texture never hurt!” Trust us, most hilarious and original gag of all time.

But before your hapless friend brushes off his hot dog and forces a laugh, consider this: Japanese researchers have found that a charcoal supplement can prevent weight gain in mice consuming a high-fat diet. Charcoal is actually quite the helpful substance, and not just for grilling. It’s been used as medicine for hundreds of years and even today is used as a treatment for drug overdose and excess gas and flatulence.

PxHere

The study involved two groups of mice: One was fed a normal diet, the other a high-fat diet. After 12 weeks, the high-fat diet mice had gained weight. At that point, edible activated charcoal was added to their diet. From that point, weight gain was similar between the two groups, and the amount of bile acid, cholesterol, triglyceride, and fatty acid excreted by the high-fat mice increased by two to four times.

The researchers supported the notion that consuming an activated charcoal supplement before or while eating fatty food could prevent weight gain from said fatty food. Which works out well for the classic American barbecue, which is traditionally both high in fat and charcoal. All you have to do is buy some extra charcoal briquettes to pass around and munch on with your friends. Now that’s a party we can get behind.
 

There’s awake, and then there’s neurologically awake

Time to toss another urban legend onto the trash heap of history. Say goodbye to the benefits of uninterrupted sleep. It’s a fraud, a fake, a myth, a hit or myth, a swing and a myth, an old wives’ tale. You can stuff it and put it on a shelf next to Bigfoot, the Slender Man, and Twinkies.

JackF/thinkstockphotos.com

We all thought we needed 8 hours of uninterrupted sleep every night, but guess who we forgot to tell? Our brains. They’ve been doing exactly the opposite all along, laughing at us the whole time. Smug SOBs.

To straighten out this mess, let’s bring in a scientist, Celia Kjaerby of the Center for Translational Neuromedicine at the University of Copenhagen: “You may think that sleep is a constant state that you are in, and then you wake up. But there is a lot more to sleep than meets the eye. We have learned that noradrenaline causes you to wake up more than 100 times a night. And that is during perfectly normal sleep.”

Those 100 or so sleep interruptions are so brief that we don’t even notice, but they are very important, according to a study conducted at the university. Those tiny little wake-up calls are “the essence for the part of sleep that makes us wake up rested and which enables us to remember what we learned the day before. ... The very short awakenings are created by waves of norepinephrine [and they] reset the brain so that it is ready to store memory when you dive back into sleep,” lead author Maiken Nedergaard, MD, explained.

The investigators compared the level of noradrenaline in sleeping mice with their electrical activity and found that the hormone constantly increased and decreased in a wavelike pattern. A high level meant that the animal was neurologically awake. Deeper valleys between the high points meant better sleep, and the mice with the “highest number of deep noradrenaline valleys were also the ones with the best memory,” the team said in their written statement.

Not just the best memory, they said, but “super memory.” That, of course, was enough to get the attention of Marvel Comics, so the next Disney superhero blockbuster will feature Nocturna, the queen of the night. Her power? Never forgets. Her archnemesis? The Insomniac. Her catchphrase? “Let me sleep on it.”

 

Words can hurt, literally

Growing up, we’re sure you heard the “sticks and stones” rhyme. Maybe you’ve even recited it once or twice to defend yourself. Well, forget it, because words can hurt and your brain knows it.

PxHere

In a new study published in Frontiers in Communication, Marijn Struiksma, PhD, of Utrecht University, and colleagues incorporated the use of electroencephalography (EEG) and skin conductance on 79 women to see how words (specifically insults) actually affect the human body.

Each subject was asked to read three different types of statements: an insult, a compliment, and something factual but neutral. Half of the statements contained the subject’s name and half used somebody else’s. The participants were told that these statements were collected from three men.

Nobody interacted with each other, and the setting was completely clinical, yet the results were unmistakable. The EEG showed an effect in P2 amplitude with repetitive insults, no matter who it was about. Even though the insults weren’t real and the participants were aware of it, the brain still recognized them as hurtful, coming across as “mini slaps in the face,” Dr. Struiksma noted in a written statement.

The researchers noted that more needs to be done to better understand the long-term effects that insults can have and create a deeper understanding between words and emotion, but studying the effects of insults in a real-life setting is ethically tricky. This study is a start.

So, yeah, sticks and stones can break your bones, but words will actually hurt you.

This article was updated 7/21/22.

 

Charcoal won’t let high-fat diet weigh you down

Do you want to be the funniest person alive? Of course you do. It’s really simple too, just one joke can make you the greatest comedian of all time. All you have to do is go camping and cook food over a roaring campfire. When someone drops food into the fire (which they always will), get ready. Once they fish out the offending food, which is almost certainly coated in hot coals, tell them: “Ah, eat it anyway. A little texture never hurt!” Trust us, most hilarious and original gag of all time.

But before your hapless friend brushes off his hot dog and forces a laugh, consider this: Japanese researchers have found that a charcoal supplement can prevent weight gain in mice consuming a high-fat diet. Charcoal is actually quite the helpful substance, and not just for grilling. It’s been used as medicine for hundreds of years and even today is used as a treatment for drug overdose and excess gas and flatulence.

PxHere

The study involved two groups of mice: One was fed a normal diet, the other a high-fat diet. After 12 weeks, the high-fat diet mice had gained weight. At that point, edible activated charcoal was added to their diet. From that point, weight gain was similar between the two groups, and the amount of bile acid, cholesterol, triglyceride, and fatty acid excreted by the high-fat mice increased by two to four times.

The researchers supported the notion that consuming an activated charcoal supplement before or while eating fatty food could prevent weight gain from said fatty food. Which works out well for the classic American barbecue, which is traditionally both high in fat and charcoal. All you have to do is buy some extra charcoal briquettes to pass around and munch on with your friends. Now that’s a party we can get behind.
 

There’s awake, and then there’s neurologically awake

Time to toss another urban legend onto the trash heap of history. Say goodbye to the benefits of uninterrupted sleep. It’s a fraud, a fake, a myth, a hit or myth, a swing and a myth, an old wives’ tale. You can stuff it and put it on a shelf next to Bigfoot, the Slender Man, and Twinkies.

JackF/thinkstockphotos.com

We all thought we needed 8 hours of uninterrupted sleep every night, but guess who we forgot to tell? Our brains. They’ve been doing exactly the opposite all along, laughing at us the whole time. Smug SOBs.

To straighten out this mess, let’s bring in a scientist, Celia Kjaerby of the Center for Translational Neuromedicine at the University of Copenhagen: “You may think that sleep is a constant state that you are in, and then you wake up. But there is a lot more to sleep than meets the eye. We have learned that noradrenaline causes you to wake up more than 100 times a night. And that is during perfectly normal sleep.”

Those 100 or so sleep interruptions are so brief that we don’t even notice, but they are very important, according to a study conducted at the university. Those tiny little wake-up calls are “the essence for the part of sleep that makes us wake up rested and which enables us to remember what we learned the day before. ... The very short awakenings are created by waves of norepinephrine [and they] reset the brain so that it is ready to store memory when you dive back into sleep,” lead author Maiken Nedergaard, MD, explained.

The investigators compared the level of noradrenaline in sleeping mice with their electrical activity and found that the hormone constantly increased and decreased in a wavelike pattern. A high level meant that the animal was neurologically awake. Deeper valleys between the high points meant better sleep, and the mice with the “highest number of deep noradrenaline valleys were also the ones with the best memory,” the team said in their written statement.

Not just the best memory, they said, but “super memory.” That, of course, was enough to get the attention of Marvel Comics, so the next Disney superhero blockbuster will feature Nocturna, the queen of the night. Her power? Never forgets. Her archnemesis? The Insomniac. Her catchphrase? “Let me sleep on it.”

 

Words can hurt, literally

Growing up, we’re sure you heard the “sticks and stones” rhyme. Maybe you’ve even recited it once or twice to defend yourself. Well, forget it, because words can hurt and your brain knows it.

PxHere

In a new study published in Frontiers in Communication, Marijn Struiksma, PhD, of Utrecht University, and colleagues incorporated the use of electroencephalography (EEG) and skin conductance on 79 women to see how words (specifically insults) actually affect the human body.

Each subject was asked to read three different types of statements: an insult, a compliment, and something factual but neutral. Half of the statements contained the subject’s name and half used somebody else’s. The participants were told that these statements were collected from three men.

Nobody interacted with each other, and the setting was completely clinical, yet the results were unmistakable. The EEG showed an effect in P2 amplitude with repetitive insults, no matter who it was about. Even though the insults weren’t real and the participants were aware of it, the brain still recognized them as hurtful, coming across as “mini slaps in the face,” Dr. Struiksma noted in a written statement.

The researchers noted that more needs to be done to better understand the long-term effects that insults can have and create a deeper understanding between words and emotion, but studying the effects of insults in a real-life setting is ethically tricky. This study is a start.

So, yeah, sticks and stones can break your bones, but words will actually hurt you.

This article was updated 7/21/22.

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‘I shall harm’

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Wed, 07/20/2022 - 15:37

I was quite sure I had multiple sclerosis when I was a medical student. I first noticed symptoms during my neurology rotation. All the signs were there: Fatigue that was getting worse in the North Carolina heat (Uhthoff sign!). A tingle running down my neck (Lhermitte sign!). Blurry vision late at night while studying pathways in Lange Neurology. “Didn’t cousin Amy have MS?” I asked my Mom. I started researching which medical specialties didn’t require dexterity. My left eyelid began twitching and didn’t stop until I rotated to ob.gyn.

Dr. Jeffrey Benabio

Fortunately, it was not multiple sclerosis I had, but rather nosophobia, also known as Medical Student’s Disease. The combination of intense study of symptoms, spotty knowledge of diagnoses, and grade anxiety makes nosophobia common in med students. Despite its name, it doesn’t afflict only doctors. Patients often come to us convinced they have a disease but without reason. So unshakable is their belief that multiple visits are often required to disabuse them of their self-diagnosis. I sometimes have to remind myself to appear concerned even when a “melanoma” is a freckle so small I can barely see it with a dermatoscope. Or a “genital wart” is a hair follicle that looks exactly like the hundreds on the patient’s scrotum. Tougher though, are the treatment-avoiders: patients whose imagined side effects lead them to stop or refuse treatment.

I recently saw a middle-aged man with erythroderma so severe he looked like a ghillie suit of scale. He had a lifelong history of atopic dermatitis and a 2-year history of avoiding treatments. At some point, he tried all the usual remedies: cyclosporine, methotrexate, azathioprine, light therapy, boxes of topicals. The last treatment had been dupilumab, which he tried for a few weeks. “Why did you stop that one?” I asked. The injections were making him go blind, he explained. “Not blurry? Blind?” I asked. Yes, he could not see at all after each injection. Perhaps he might have dry eyes or keratitis? Sure. But blindness? It seemed an unreasonable concern. Further discussion revealed that intolerance to medication side effects was why he had stopped all his other treatments.

Nocebo, from the Latin “I shall harm,” is the dark counterpart to the placebo. Patients experience imagined, or even real, adverse effects because they believe the treatment is causing them harm. This is true even though that treatment might not be having any unwanted physiologic effect. Statins are a good example. Studies have shown that most patient-reported side effects of statins are in fact nocebo effects rather than a result of pharmacologic causes.

Yet, many patients on statins report muscle pain or other concerns as unbearable. As a consequence, some patients who might have benefited from statins might be missing out on the protective gains. Nocebo effects are exacerbated by a common bias that causes deeper regret when bad outcomes result from an action taken as compared with bad outcomes that occurred from not taking action. It’s frustrating when there’s a standard of care treatment, but our patient can’t get past their fear of harm to try it.

Despite my recommendations, my eczema patient insisted on continuing his nontreatment rather than take any risks with treatments for now. There are ways I might help, but I expect it will require additional visits to build trust. Today, the best I can do is to understand and respect him. At least he doesn’t think he has a genital wart – I’m not sure how I’d treat it if he did.

Dr. Benabio is director of Healthcare Transformation and chief of dermatology at Kaiser Permanente San Diego. The opinions expressed in this column are his own and do not represent those of Kaiser Permanente. Dr. Benabio is @Dermdoc on Twitter. Write to him at [email protected].

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I was quite sure I had multiple sclerosis when I was a medical student. I first noticed symptoms during my neurology rotation. All the signs were there: Fatigue that was getting worse in the North Carolina heat (Uhthoff sign!). A tingle running down my neck (Lhermitte sign!). Blurry vision late at night while studying pathways in Lange Neurology. “Didn’t cousin Amy have MS?” I asked my Mom. I started researching which medical specialties didn’t require dexterity. My left eyelid began twitching and didn’t stop until I rotated to ob.gyn.

Dr. Jeffrey Benabio

Fortunately, it was not multiple sclerosis I had, but rather nosophobia, also known as Medical Student’s Disease. The combination of intense study of symptoms, spotty knowledge of diagnoses, and grade anxiety makes nosophobia common in med students. Despite its name, it doesn’t afflict only doctors. Patients often come to us convinced they have a disease but without reason. So unshakable is their belief that multiple visits are often required to disabuse them of their self-diagnosis. I sometimes have to remind myself to appear concerned even when a “melanoma” is a freckle so small I can barely see it with a dermatoscope. Or a “genital wart” is a hair follicle that looks exactly like the hundreds on the patient’s scrotum. Tougher though, are the treatment-avoiders: patients whose imagined side effects lead them to stop or refuse treatment.

I recently saw a middle-aged man with erythroderma so severe he looked like a ghillie suit of scale. He had a lifelong history of atopic dermatitis and a 2-year history of avoiding treatments. At some point, he tried all the usual remedies: cyclosporine, methotrexate, azathioprine, light therapy, boxes of topicals. The last treatment had been dupilumab, which he tried for a few weeks. “Why did you stop that one?” I asked. The injections were making him go blind, he explained. “Not blurry? Blind?” I asked. Yes, he could not see at all after each injection. Perhaps he might have dry eyes or keratitis? Sure. But blindness? It seemed an unreasonable concern. Further discussion revealed that intolerance to medication side effects was why he had stopped all his other treatments.

Nocebo, from the Latin “I shall harm,” is the dark counterpart to the placebo. Patients experience imagined, or even real, adverse effects because they believe the treatment is causing them harm. This is true even though that treatment might not be having any unwanted physiologic effect. Statins are a good example. Studies have shown that most patient-reported side effects of statins are in fact nocebo effects rather than a result of pharmacologic causes.

Yet, many patients on statins report muscle pain or other concerns as unbearable. As a consequence, some patients who might have benefited from statins might be missing out on the protective gains. Nocebo effects are exacerbated by a common bias that causes deeper regret when bad outcomes result from an action taken as compared with bad outcomes that occurred from not taking action. It’s frustrating when there’s a standard of care treatment, but our patient can’t get past their fear of harm to try it.

Despite my recommendations, my eczema patient insisted on continuing his nontreatment rather than take any risks with treatments for now. There are ways I might help, but I expect it will require additional visits to build trust. Today, the best I can do is to understand and respect him. At least he doesn’t think he has a genital wart – I’m not sure how I’d treat it if he did.

Dr. Benabio is director of Healthcare Transformation and chief of dermatology at Kaiser Permanente San Diego. The opinions expressed in this column are his own and do not represent those of Kaiser Permanente. Dr. Benabio is @Dermdoc on Twitter. Write to him at [email protected].

I was quite sure I had multiple sclerosis when I was a medical student. I first noticed symptoms during my neurology rotation. All the signs were there: Fatigue that was getting worse in the North Carolina heat (Uhthoff sign!). A tingle running down my neck (Lhermitte sign!). Blurry vision late at night while studying pathways in Lange Neurology. “Didn’t cousin Amy have MS?” I asked my Mom. I started researching which medical specialties didn’t require dexterity. My left eyelid began twitching and didn’t stop until I rotated to ob.gyn.

Dr. Jeffrey Benabio

Fortunately, it was not multiple sclerosis I had, but rather nosophobia, also known as Medical Student’s Disease. The combination of intense study of symptoms, spotty knowledge of diagnoses, and grade anxiety makes nosophobia common in med students. Despite its name, it doesn’t afflict only doctors. Patients often come to us convinced they have a disease but without reason. So unshakable is their belief that multiple visits are often required to disabuse them of their self-diagnosis. I sometimes have to remind myself to appear concerned even when a “melanoma” is a freckle so small I can barely see it with a dermatoscope. Or a “genital wart” is a hair follicle that looks exactly like the hundreds on the patient’s scrotum. Tougher though, are the treatment-avoiders: patients whose imagined side effects lead them to stop or refuse treatment.

I recently saw a middle-aged man with erythroderma so severe he looked like a ghillie suit of scale. He had a lifelong history of atopic dermatitis and a 2-year history of avoiding treatments. At some point, he tried all the usual remedies: cyclosporine, methotrexate, azathioprine, light therapy, boxes of topicals. The last treatment had been dupilumab, which he tried for a few weeks. “Why did you stop that one?” I asked. The injections were making him go blind, he explained. “Not blurry? Blind?” I asked. Yes, he could not see at all after each injection. Perhaps he might have dry eyes or keratitis? Sure. But blindness? It seemed an unreasonable concern. Further discussion revealed that intolerance to medication side effects was why he had stopped all his other treatments.

Nocebo, from the Latin “I shall harm,” is the dark counterpart to the placebo. Patients experience imagined, or even real, adverse effects because they believe the treatment is causing them harm. This is true even though that treatment might not be having any unwanted physiologic effect. Statins are a good example. Studies have shown that most patient-reported side effects of statins are in fact nocebo effects rather than a result of pharmacologic causes.

Yet, many patients on statins report muscle pain or other concerns as unbearable. As a consequence, some patients who might have benefited from statins might be missing out on the protective gains. Nocebo effects are exacerbated by a common bias that causes deeper regret when bad outcomes result from an action taken as compared with bad outcomes that occurred from not taking action. It’s frustrating when there’s a standard of care treatment, but our patient can’t get past their fear of harm to try it.

Despite my recommendations, my eczema patient insisted on continuing his nontreatment rather than take any risks with treatments for now. There are ways I might help, but I expect it will require additional visits to build trust. Today, the best I can do is to understand and respect him. At least he doesn’t think he has a genital wart – I’m not sure how I’d treat it if he did.

Dr. Benabio is director of Healthcare Transformation and chief of dermatology at Kaiser Permanente San Diego. The opinions expressed in this column are his own and do not represent those of Kaiser Permanente. Dr. Benabio is @Dermdoc on Twitter. Write to him at [email protected].

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NAFLD strongly correlated with psoriasis, PsA; risk linked to severity

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Patients with chronic plaque psoriasis face a nearly twofold increased risk of nonalcoholic fatty liver disease (NAFLD), and the risk climbs higher in those with more severe skin involvement – and probably in those with psoriatic arthritis (PsA) as well, according to a systematic review and meta-analysis presented at the annual meeting of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis.

“Our findings imply that psoriatic patients should be screened with an ultrasonographic exam in cases where there are metabolic features that are associated with NAFLD,” reported Francesco Bellinato, MD, a researcher in the section of dermatology and venereology, University of Verona (Italy).

Dr. Francesco Belinato


The data are strong. Of 76 nonduplicate publications found in the literature, the 11 observational studies included in the meta-analysis met stringent criteria, including a diagnosis of psoriasis and PsA based on objective criteria, NAFLD confirmed with liver biopsy or imaging, and odds rates calculated with 95% confidence intervals.

From these 11 studies, aggregate data were available for 249,333 psoriatic patients, of which 49% had NAFLD, and 1,491,402 were healthy controls. Among the controls, 36% had NAFLD. Four of the studies were from North America, four from Europe, and three from Asia.



In the pooled data, the risk of NAFLD among those with psoriasis relative to healthy controls fell just short of a twofold increase (odds ratio, 1.96; 95% CI, 1.70-2.26; P < .001). When stratified by studies that confirmed NAFLD by biopsy relative to ultrasonography, there was no significant heterogeneity.

Eight of the studies included an analysis of relative risk in the context of skin lesion severity defined by Psoriasis Area and Severity Index (PASI) score. Relative to those without NAFLD, psoriatic patients with NAFLD had a significant greater mean PASI score on a pooled weighted mean difference analysis (OR, 3.93; 95% CI, 2.01-5.84; P < .0001).

courtesy Dr. Francesco Belinato
NAFLD is readily detectable in psoriasis patients on ultrasonography as exemplified by this sonogram of a patient recently evaluated by Dr. Belinato.

For PsA relative to no PsA in the five studies that compared risk between these two groups, the risk of NAFLD was again nearly twofold higher. This fell short of conventional definition of statistical significance, but it was associated with a strong trend (OR, 1.83; 95% CI, 0.98-3.43; P = .06).

The risk of NAFLD among patients with psoriasis was not found to vary significantly when assessed by univariable meta-regressions across numerous characteristics, such as sex and body mass index.

In one of the largest of the observational studies included in the meta-analysis by Alexis Ogdie, MD, associate professor of medicine and epidemiology at the University of Pennsylvania, Philadelphia, and colleagues, data were analyzed in more than 1.5 million patients, which included 54,251 patients with rheumatoid arthritis. While the hazard ratio of NAFLD was increased for both psoriasis (HR, 2.23) and PsA (HR, 2.11), it was not elevated in those with RA (HR, 0.96).


Risk by severity, possible mechanisms


This study also included an analysis of NAFLD risk according to psoriasis severity. While risk was still significant among those with mild disease (HR, 1.18; 95% CI, 1.07-1.30), it was almost twofold greater in those with moderate to severe psoriasis (HR, 2.23; 95% CI, 1.73-2.87).

Dr. Bellinato conceded that the mechanisms underlying the association between psoriasis and NAFLD are unknown, but he said “metaflammation” is suspected.

“The secretion of proinflammatory, prothrombotic, and oxidative stress mediators in both psoriatic skin and adipose tissue might act systemically and promote insulin resistance and other metabolic derangements that promote the development and progression of NAFLD,” Dr. Bellinato explained.

He thinks that noninvasive screening methods, such as currently used methods to calculate fibrosis score, might be useful for evaluating patients with psoriasis for NAFLD and referring them to a hepatologist when appropriate.

Given the strong association with NAFLD, Dr. Bellinato suggested that “the findings of this meta-analysis pave the way for novel, large, prospective, and histologically based studies.”

Courtesy Dr. Joel M. Gelfand
Dr. Joel M. Gelfand

The association between psoriasis and NAFLD is clinically relevant, agreed Joel M. Gelfand, MD, vice-chair of clinical research and medical director of the clinical studies unit, department of dermatology, University of Pennsylvania, Philadelphia.

“It is not clear if psoriasis causes fatty liver disease or vice versa, but clinicians should be aware of this association,” he said in an interview. Dr. Gelfand was a coauthor of the study by Dr. Ogdie and colleagues and led another more recent population-based study that implicated methotrexate as a factor in psoriasis-related hepatotoxicity.

If NAFLD is identified in a patient with psoriasis, treatments are limited, but Dr. Gelfand suggested that patients should be made aware of the risk. “Clinicians should encourage patients with psoriasis to take measures to protect their liver, such as avoiding drinking alcohol to excess and trying to maintain a healthy body weight,” he said.

Dr. Bellinato reported no conflicts of interest. Dr. Gelfand has financial relationships with more than 10 pharmaceutical companies, including those that make therapies for psoriasis.

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Patients with chronic plaque psoriasis face a nearly twofold increased risk of nonalcoholic fatty liver disease (NAFLD), and the risk climbs higher in those with more severe skin involvement – and probably in those with psoriatic arthritis (PsA) as well, according to a systematic review and meta-analysis presented at the annual meeting of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis.

“Our findings imply that psoriatic patients should be screened with an ultrasonographic exam in cases where there are metabolic features that are associated with NAFLD,” reported Francesco Bellinato, MD, a researcher in the section of dermatology and venereology, University of Verona (Italy).

Dr. Francesco Belinato


The data are strong. Of 76 nonduplicate publications found in the literature, the 11 observational studies included in the meta-analysis met stringent criteria, including a diagnosis of psoriasis and PsA based on objective criteria, NAFLD confirmed with liver biopsy or imaging, and odds rates calculated with 95% confidence intervals.

From these 11 studies, aggregate data were available for 249,333 psoriatic patients, of which 49% had NAFLD, and 1,491,402 were healthy controls. Among the controls, 36% had NAFLD. Four of the studies were from North America, four from Europe, and three from Asia.



In the pooled data, the risk of NAFLD among those with psoriasis relative to healthy controls fell just short of a twofold increase (odds ratio, 1.96; 95% CI, 1.70-2.26; P < .001). When stratified by studies that confirmed NAFLD by biopsy relative to ultrasonography, there was no significant heterogeneity.

Eight of the studies included an analysis of relative risk in the context of skin lesion severity defined by Psoriasis Area and Severity Index (PASI) score. Relative to those without NAFLD, psoriatic patients with NAFLD had a significant greater mean PASI score on a pooled weighted mean difference analysis (OR, 3.93; 95% CI, 2.01-5.84; P < .0001).

courtesy Dr. Francesco Belinato
NAFLD is readily detectable in psoriasis patients on ultrasonography as exemplified by this sonogram of a patient recently evaluated by Dr. Belinato.

For PsA relative to no PsA in the five studies that compared risk between these two groups, the risk of NAFLD was again nearly twofold higher. This fell short of conventional definition of statistical significance, but it was associated with a strong trend (OR, 1.83; 95% CI, 0.98-3.43; P = .06).

The risk of NAFLD among patients with psoriasis was not found to vary significantly when assessed by univariable meta-regressions across numerous characteristics, such as sex and body mass index.

In one of the largest of the observational studies included in the meta-analysis by Alexis Ogdie, MD, associate professor of medicine and epidemiology at the University of Pennsylvania, Philadelphia, and colleagues, data were analyzed in more than 1.5 million patients, which included 54,251 patients with rheumatoid arthritis. While the hazard ratio of NAFLD was increased for both psoriasis (HR, 2.23) and PsA (HR, 2.11), it was not elevated in those with RA (HR, 0.96).


Risk by severity, possible mechanisms


This study also included an analysis of NAFLD risk according to psoriasis severity. While risk was still significant among those with mild disease (HR, 1.18; 95% CI, 1.07-1.30), it was almost twofold greater in those with moderate to severe psoriasis (HR, 2.23; 95% CI, 1.73-2.87).

Dr. Bellinato conceded that the mechanisms underlying the association between psoriasis and NAFLD are unknown, but he said “metaflammation” is suspected.

“The secretion of proinflammatory, prothrombotic, and oxidative stress mediators in both psoriatic skin and adipose tissue might act systemically and promote insulin resistance and other metabolic derangements that promote the development and progression of NAFLD,” Dr. Bellinato explained.

He thinks that noninvasive screening methods, such as currently used methods to calculate fibrosis score, might be useful for evaluating patients with psoriasis for NAFLD and referring them to a hepatologist when appropriate.

Given the strong association with NAFLD, Dr. Bellinato suggested that “the findings of this meta-analysis pave the way for novel, large, prospective, and histologically based studies.”

Courtesy Dr. Joel M. Gelfand
Dr. Joel M. Gelfand

The association between psoriasis and NAFLD is clinically relevant, agreed Joel M. Gelfand, MD, vice-chair of clinical research and medical director of the clinical studies unit, department of dermatology, University of Pennsylvania, Philadelphia.

“It is not clear if psoriasis causes fatty liver disease or vice versa, but clinicians should be aware of this association,” he said in an interview. Dr. Gelfand was a coauthor of the study by Dr. Ogdie and colleagues and led another more recent population-based study that implicated methotrexate as a factor in psoriasis-related hepatotoxicity.

If NAFLD is identified in a patient with psoriasis, treatments are limited, but Dr. Gelfand suggested that patients should be made aware of the risk. “Clinicians should encourage patients with psoriasis to take measures to protect their liver, such as avoiding drinking alcohol to excess and trying to maintain a healthy body weight,” he said.

Dr. Bellinato reported no conflicts of interest. Dr. Gelfand has financial relationships with more than 10 pharmaceutical companies, including those that make therapies for psoriasis.

Patients with chronic plaque psoriasis face a nearly twofold increased risk of nonalcoholic fatty liver disease (NAFLD), and the risk climbs higher in those with more severe skin involvement – and probably in those with psoriatic arthritis (PsA) as well, according to a systematic review and meta-analysis presented at the annual meeting of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis.

“Our findings imply that psoriatic patients should be screened with an ultrasonographic exam in cases where there are metabolic features that are associated with NAFLD,” reported Francesco Bellinato, MD, a researcher in the section of dermatology and venereology, University of Verona (Italy).

Dr. Francesco Belinato


The data are strong. Of 76 nonduplicate publications found in the literature, the 11 observational studies included in the meta-analysis met stringent criteria, including a diagnosis of psoriasis and PsA based on objective criteria, NAFLD confirmed with liver biopsy or imaging, and odds rates calculated with 95% confidence intervals.

From these 11 studies, aggregate data were available for 249,333 psoriatic patients, of which 49% had NAFLD, and 1,491,402 were healthy controls. Among the controls, 36% had NAFLD. Four of the studies were from North America, four from Europe, and three from Asia.



In the pooled data, the risk of NAFLD among those with psoriasis relative to healthy controls fell just short of a twofold increase (odds ratio, 1.96; 95% CI, 1.70-2.26; P < .001). When stratified by studies that confirmed NAFLD by biopsy relative to ultrasonography, there was no significant heterogeneity.

Eight of the studies included an analysis of relative risk in the context of skin lesion severity defined by Psoriasis Area and Severity Index (PASI) score. Relative to those without NAFLD, psoriatic patients with NAFLD had a significant greater mean PASI score on a pooled weighted mean difference analysis (OR, 3.93; 95% CI, 2.01-5.84; P < .0001).

courtesy Dr. Francesco Belinato
NAFLD is readily detectable in psoriasis patients on ultrasonography as exemplified by this sonogram of a patient recently evaluated by Dr. Belinato.

For PsA relative to no PsA in the five studies that compared risk between these two groups, the risk of NAFLD was again nearly twofold higher. This fell short of conventional definition of statistical significance, but it was associated with a strong trend (OR, 1.83; 95% CI, 0.98-3.43; P = .06).

The risk of NAFLD among patients with psoriasis was not found to vary significantly when assessed by univariable meta-regressions across numerous characteristics, such as sex and body mass index.

In one of the largest of the observational studies included in the meta-analysis by Alexis Ogdie, MD, associate professor of medicine and epidemiology at the University of Pennsylvania, Philadelphia, and colleagues, data were analyzed in more than 1.5 million patients, which included 54,251 patients with rheumatoid arthritis. While the hazard ratio of NAFLD was increased for both psoriasis (HR, 2.23) and PsA (HR, 2.11), it was not elevated in those with RA (HR, 0.96).


Risk by severity, possible mechanisms


This study also included an analysis of NAFLD risk according to psoriasis severity. While risk was still significant among those with mild disease (HR, 1.18; 95% CI, 1.07-1.30), it was almost twofold greater in those with moderate to severe psoriasis (HR, 2.23; 95% CI, 1.73-2.87).

Dr. Bellinato conceded that the mechanisms underlying the association between psoriasis and NAFLD are unknown, but he said “metaflammation” is suspected.

“The secretion of proinflammatory, prothrombotic, and oxidative stress mediators in both psoriatic skin and adipose tissue might act systemically and promote insulin resistance and other metabolic derangements that promote the development and progression of NAFLD,” Dr. Bellinato explained.

He thinks that noninvasive screening methods, such as currently used methods to calculate fibrosis score, might be useful for evaluating patients with psoriasis for NAFLD and referring them to a hepatologist when appropriate.

Given the strong association with NAFLD, Dr. Bellinato suggested that “the findings of this meta-analysis pave the way for novel, large, prospective, and histologically based studies.”

Courtesy Dr. Joel M. Gelfand
Dr. Joel M. Gelfand

The association between psoriasis and NAFLD is clinically relevant, agreed Joel M. Gelfand, MD, vice-chair of clinical research and medical director of the clinical studies unit, department of dermatology, University of Pennsylvania, Philadelphia.

“It is not clear if psoriasis causes fatty liver disease or vice versa, but clinicians should be aware of this association,” he said in an interview. Dr. Gelfand was a coauthor of the study by Dr. Ogdie and colleagues and led another more recent population-based study that implicated methotrexate as a factor in psoriasis-related hepatotoxicity.

If NAFLD is identified in a patient with psoriasis, treatments are limited, but Dr. Gelfand suggested that patients should be made aware of the risk. “Clinicians should encourage patients with psoriasis to take measures to protect their liver, such as avoiding drinking alcohol to excess and trying to maintain a healthy body weight,” he said.

Dr. Bellinato reported no conflicts of interest. Dr. Gelfand has financial relationships with more than 10 pharmaceutical companies, including those that make therapies for psoriasis.

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Focal Palmoplantar Keratoderma and Gingival Keratosis Caused by a KRT16 Mutation

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Focal Palmoplantar Keratoderma and Gingival Keratosis Caused by a KRT16 Mutation

To the Editor:

Focal palmoplantar keratoderma and gingival keratosis (FPGK)(Online Mendelian Inheritance in Man [OMIM] 148730) is a rare autosomal-dominant syndrome featuring focal, pressure-related, painful palmoplantar keratoderma and gingival hyperkeratosis presenting as leukokeratosis. Focal palmoplantar keratoderma and gingival keratosis was first defined by Gorlin1 in 1976. Since then, only a few cases have been reported, but no causative mutations have been identified.2

Focal pressure-related palmoplantar keratoderma (PPK) and oral hyperkeratosis also are seen in pachyonychia congenita (PC)(OMIM 167200, 615726, 615728, 167210), a rare autosomal-dominant disorder of keratinization characterized by PPK and nail dystrophy. Patients with PC often present with plantar pain; more variable features include oral leukokeratosis, follicular hyperkeratosis, pilosebaceous and epidermal inclusion cysts, hoarseness, hyperhidrosis, and natal teeth. Pachyonychia congenita is caused by mutation in keratin genes KRT6A, KRT6B, KRT16, or KRT17.

Focal palmoplantar keratoderma and gingival keratosis as well as PC are distinct from other forms of PPK with gingival involvement such as Papillon-Lefèvre syndrome (OMIM 245000) and Olmsted syndrome (OMIM 614594). Papillon-Lefèvre syndrome is a rare autosomal-recessive disorder caused by mutations in the cathepsin C, CTSC, gene that exhibits erythematous, diffuse, transgradient PPK and early severe periodontitis. Olmsted syndrome is caused by autosomal-dominant gene mutations in transient receptor potential cation channel, subfamily V, member 3, TRPV3, and is characterized by severe bilateral transgradient PPK with leukoplakia of the tongue and buccal mucosa but also usually exhibits marked periorificial keratotic plaques, which facilitate exclusion of other phenotypically similar syndromes.3

Despite the common features of FPGK and PC, they are considered distinct disorders due to absence of nail changes in FPGK and no prior evidence of a common genetic cause. We present a patient with familial FPGK found by whole exome sequencing to be caused by a mutation in KRT16.

Pedigree of a family (generations I, II, III, and IV) showing focal palmoplantar keratoderma and gingival keratosis in those heterozygous for KRT16 mutation p.R127H
FIGURE 1. Pedigree of a family (generations I, II, III, and IV) showing focal palmoplantar keratoderma and gingival keratosis in those heterozygous for KRT16 mutation p.R127H. Individuals III:1 (proband), III:2, and III:3 were heterozygous for KRT16 mutation c.380G>A, p.R127H as indicated; individual IV:1 did not carry this mutation and was designated wild-type/wild-type (w/w). Intergeneration transmission of the disease to males and females supports autosomal-dominant inheritance.

The proband was a 57-year-old man born to unrelated parents (Figure 1). He had no skin problems at birth, and his development was normal. He had painful focal keratoderma since childhood that were most prominent at pressure points on the soles and toes (Figure 2A), in addition to gingival hyperkeratosis and oral leukokeratosis (Figure 2B). He had no associated abnormalities of the skin, hair, or teeth and no nail findings (Figure 2C). He reported that his father and 2 of his 3 sisters were affected with similar symptoms. A punch biopsy of the right fifth toe was consistent with verrucous epidermal hyperplasia with perinuclear keratinization in the spinous layer (Figure 3A). A gingival biopsy showed perinuclear eosinophilic globules and basophilic stranding in the cytoplasm (Figure 3B). His older sister had more severe and painful focal keratoderma of the soles, punctate keratoderma of the palms, gingival hyperkeratosis, and leukokeratosis of the tongue.

A, Painful focal keratoderma most prominent at pressure points on the soles and toes. B, Gingival hyperkeratosis and oral leukokeratosis. C, Nails without thickening of plates or discoloration.
FIGURE 2. A, Painful focal keratoderma most prominent at pressure points on the soles and toes. B, Gingival hyperkeratosis and oral leukokeratosis. C, Nails without thickening of plates or discoloration.

Whole exome sequencing of the proband revealed a heterozygous missense mutation in KRT16 (c.380G>A, p.R127H, rs57424749). Sanger sequencing confirmed this mutation and showed that it was heterozygous in both of his affected sisters and absent in his unaffected niece (Figure 1). The patient was treated with topical and systemic retinoids, keratolytics, and mechanical removal to moderate effect, with noted improvement in the appearance and associated pain of the plantar keratoderma.

Histologic findings in a patient heterozygous for KRT16 mutation p.R127H
FIGURE 3. Histologic findings in a patient heterozygous for KRT16 mutation p.R127H. A, A punch biopsy of the right fifth toe showed verrucous epidermal hyperplasia with perinuclear keratinization in the spinous layer (H&E, original magnification ×40). B, A gingival biopsy showed perinuclear eosinophilic globules and basophilic stranding in the cytoplasm (H&E, original magnification ×40).

Phenotypic heterogeneity is common in PC, though PC due to KRT6A mutations demonstrates more severe nail disease with oral lesions, cysts, and follicular hyperkeratosis, while PC caused by KRT16 mutations generally presents with more extensive and painful PPK.4KRT16 mutations affecting p.R127 are frequent causes of PC, and genotype-phenotype correlations have been observed. Individuals with p.R127P mutations exhibit more severe disease with earlier age of onset, more extensive nail involvement and oral leukokeratosis, and greater impact on daily quality of life than in individuals with p.R127C mutations.5 Cases of PC with KRT16 p.R127S and p.R127G mutations also have been observed. The KRT16 c.380G>A, p.R127H mutation we documented has been reported in one kindred with PC who presented with PPK, oral leukokeratosis, toenail thickening, and pilosebaceous and follicular hyperkeratosis.6

Although patients with FPGK lack the thickening of fingernails and/or toenails considered a defining feature of PC, the disorders otherwise are phenotypically similar, suggesting the possibility of common pathogenesis. One linkage study of familial FPGK excluded genetic intervals containing type I and type II keratins but was limited to a single small kindred.2 This study and our data together suggest that, similar to PC, there are multiple genes in which mutations cause FPGK.

Murine Krt16 knockouts show distinct phenotypes depending on the mouse strain in which they are propagated, ranging from perinatal lethality to differences in the severity of oral and PPK lesions.7 These observations provide evidence that additional genetic variants contribute to Krt16 phenotypes in mice and suggest the same could be true for humans.

We propose that some cases of FPGK are due to mutations in KRT16 and thus share a genetic pathogenesis with PC, underscoring the utility of whole exome sequencing in providing genetic diagnoses for disorders that are genetically and clinically heterogeneous. Further biologic investigation of phenotypes caused by KRT16 mutation may reveal respective contributions of additional genetic variation and environmental effects to the variable clinical presentations.

References
  1. Gorlin RJ. Focal palmoplantar and marginal gingival hyperkeratosis—a syndrome. Birth Defects Orig Artic Ser. 1976;12:239-242.
  2. Kolde G, Hennies HC, Bethke G, et al. Focal palmoplantar and gingival keratosis: a distinct palmoplantar ectodermal dysplasia with epidermolytic alterations but lack of mutations in known keratins. J Am Acad Dermatol. 2005;52(3 pt 1):403-409.
  3. Duchatelet S, Hovnanian A. Olmsted syndrome: clinical, molecular and therapeutic aspects. Orphanet J Rare Dis. 2015;10:33.
  4. Spaunhurst KM, Hogendorf AM, Smith FJ, et al. Pachyonychia congenita patients with mutations in KRT6A have more extensive disease compared with patients who have mutations in KRT16. Br J Dermatol. 2012;166:875-878.
  5. Fu T, Leachman SA, Wilson NJ, et al. Genotype-phenotype correlations among pachyonychia congenita patients with K16 mutations. J Invest Dermatol. 2011;131:1025-1028.
  6. Wilson NJ, O’Toole EA, Milstone LM, et al. The molecular genetic analysis of the expanding pachyonychia congenita case collection. Br J Dermatol. 2014;171:343-355.
  7. Zieman A, Coulombe PA. The keratin 16 null phenotype is modestly impacted by genetic strain background in mice. Exp Dermatol. 2018;27:672-674.
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Drs. Zaki, Boyden, Zhou, and Choate as well Ms. Hu and Ms. Loring are from the Yale University School of Medicine, New Haven, Connecticut. Drs. Zaki, Zhou, and Choate as well as Ms. Hu are from the Department of Dermatology. Ms. Loring as well as Drs. Boyden and Choate are from the Department of Genetics. Dr. Choate also is from the Department of Pathology. Drs. Mathes and North are from the Department of Dermatology, University of California, San Francisco. Dr. Oza is from the Ronald O. Perelman Department of Dermatology, School of Medicine, New York University, New York.

The authors report no conflict of interest.

This study was in part supported by National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin Diseases grant R01AR068392 and the Yale Center for Mendelian Genomics grant U54 HG006504.

Correspondence: Keith A. Choate, MD, PhD, Department of Dermatology, Yale University School of Medicine, 333 Cedar St, New Haven, CT 06520 ([email protected]).

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Drs. Zaki, Boyden, Zhou, and Choate as well Ms. Hu and Ms. Loring are from the Yale University School of Medicine, New Haven, Connecticut. Drs. Zaki, Zhou, and Choate as well as Ms. Hu are from the Department of Dermatology. Ms. Loring as well as Drs. Boyden and Choate are from the Department of Genetics. Dr. Choate also is from the Department of Pathology. Drs. Mathes and North are from the Department of Dermatology, University of California, San Francisco. Dr. Oza is from the Ronald O. Perelman Department of Dermatology, School of Medicine, New York University, New York.

The authors report no conflict of interest.

This study was in part supported by National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin Diseases grant R01AR068392 and the Yale Center for Mendelian Genomics grant U54 HG006504.

Correspondence: Keith A. Choate, MD, PhD, Department of Dermatology, Yale University School of Medicine, 333 Cedar St, New Haven, CT 06520 ([email protected]).

Author and Disclosure Information

Drs. Zaki, Boyden, Zhou, and Choate as well Ms. Hu and Ms. Loring are from the Yale University School of Medicine, New Haven, Connecticut. Drs. Zaki, Zhou, and Choate as well as Ms. Hu are from the Department of Dermatology. Ms. Loring as well as Drs. Boyden and Choate are from the Department of Genetics. Dr. Choate also is from the Department of Pathology. Drs. Mathes and North are from the Department of Dermatology, University of California, San Francisco. Dr. Oza is from the Ronald O. Perelman Department of Dermatology, School of Medicine, New York University, New York.

The authors report no conflict of interest.

This study was in part supported by National Institutes of Health/National Institute of Arthritis and Musculoskeletal and Skin Diseases grant R01AR068392 and the Yale Center for Mendelian Genomics grant U54 HG006504.

Correspondence: Keith A. Choate, MD, PhD, Department of Dermatology, Yale University School of Medicine, 333 Cedar St, New Haven, CT 06520 ([email protected]).

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To the Editor:

Focal palmoplantar keratoderma and gingival keratosis (FPGK)(Online Mendelian Inheritance in Man [OMIM] 148730) is a rare autosomal-dominant syndrome featuring focal, pressure-related, painful palmoplantar keratoderma and gingival hyperkeratosis presenting as leukokeratosis. Focal palmoplantar keratoderma and gingival keratosis was first defined by Gorlin1 in 1976. Since then, only a few cases have been reported, but no causative mutations have been identified.2

Focal pressure-related palmoplantar keratoderma (PPK) and oral hyperkeratosis also are seen in pachyonychia congenita (PC)(OMIM 167200, 615726, 615728, 167210), a rare autosomal-dominant disorder of keratinization characterized by PPK and nail dystrophy. Patients with PC often present with plantar pain; more variable features include oral leukokeratosis, follicular hyperkeratosis, pilosebaceous and epidermal inclusion cysts, hoarseness, hyperhidrosis, and natal teeth. Pachyonychia congenita is caused by mutation in keratin genes KRT6A, KRT6B, KRT16, or KRT17.

Focal palmoplantar keratoderma and gingival keratosis as well as PC are distinct from other forms of PPK with gingival involvement such as Papillon-Lefèvre syndrome (OMIM 245000) and Olmsted syndrome (OMIM 614594). Papillon-Lefèvre syndrome is a rare autosomal-recessive disorder caused by mutations in the cathepsin C, CTSC, gene that exhibits erythematous, diffuse, transgradient PPK and early severe periodontitis. Olmsted syndrome is caused by autosomal-dominant gene mutations in transient receptor potential cation channel, subfamily V, member 3, TRPV3, and is characterized by severe bilateral transgradient PPK with leukoplakia of the tongue and buccal mucosa but also usually exhibits marked periorificial keratotic plaques, which facilitate exclusion of other phenotypically similar syndromes.3

Despite the common features of FPGK and PC, they are considered distinct disorders due to absence of nail changes in FPGK and no prior evidence of a common genetic cause. We present a patient with familial FPGK found by whole exome sequencing to be caused by a mutation in KRT16.

Pedigree of a family (generations I, II, III, and IV) showing focal palmoplantar keratoderma and gingival keratosis in those heterozygous for KRT16 mutation p.R127H
FIGURE 1. Pedigree of a family (generations I, II, III, and IV) showing focal palmoplantar keratoderma and gingival keratosis in those heterozygous for KRT16 mutation p.R127H. Individuals III:1 (proband), III:2, and III:3 were heterozygous for KRT16 mutation c.380G>A, p.R127H as indicated; individual IV:1 did not carry this mutation and was designated wild-type/wild-type (w/w). Intergeneration transmission of the disease to males and females supports autosomal-dominant inheritance.

The proband was a 57-year-old man born to unrelated parents (Figure 1). He had no skin problems at birth, and his development was normal. He had painful focal keratoderma since childhood that were most prominent at pressure points on the soles and toes (Figure 2A), in addition to gingival hyperkeratosis and oral leukokeratosis (Figure 2B). He had no associated abnormalities of the skin, hair, or teeth and no nail findings (Figure 2C). He reported that his father and 2 of his 3 sisters were affected with similar symptoms. A punch biopsy of the right fifth toe was consistent with verrucous epidermal hyperplasia with perinuclear keratinization in the spinous layer (Figure 3A). A gingival biopsy showed perinuclear eosinophilic globules and basophilic stranding in the cytoplasm (Figure 3B). His older sister had more severe and painful focal keratoderma of the soles, punctate keratoderma of the palms, gingival hyperkeratosis, and leukokeratosis of the tongue.

A, Painful focal keratoderma most prominent at pressure points on the soles and toes. B, Gingival hyperkeratosis and oral leukokeratosis. C, Nails without thickening of plates or discoloration.
FIGURE 2. A, Painful focal keratoderma most prominent at pressure points on the soles and toes. B, Gingival hyperkeratosis and oral leukokeratosis. C, Nails without thickening of plates or discoloration.

Whole exome sequencing of the proband revealed a heterozygous missense mutation in KRT16 (c.380G>A, p.R127H, rs57424749). Sanger sequencing confirmed this mutation and showed that it was heterozygous in both of his affected sisters and absent in his unaffected niece (Figure 1). The patient was treated with topical and systemic retinoids, keratolytics, and mechanical removal to moderate effect, with noted improvement in the appearance and associated pain of the plantar keratoderma.

Histologic findings in a patient heterozygous for KRT16 mutation p.R127H
FIGURE 3. Histologic findings in a patient heterozygous for KRT16 mutation p.R127H. A, A punch biopsy of the right fifth toe showed verrucous epidermal hyperplasia with perinuclear keratinization in the spinous layer (H&E, original magnification ×40). B, A gingival biopsy showed perinuclear eosinophilic globules and basophilic stranding in the cytoplasm (H&E, original magnification ×40).

Phenotypic heterogeneity is common in PC, though PC due to KRT6A mutations demonstrates more severe nail disease with oral lesions, cysts, and follicular hyperkeratosis, while PC caused by KRT16 mutations generally presents with more extensive and painful PPK.4KRT16 mutations affecting p.R127 are frequent causes of PC, and genotype-phenotype correlations have been observed. Individuals with p.R127P mutations exhibit more severe disease with earlier age of onset, more extensive nail involvement and oral leukokeratosis, and greater impact on daily quality of life than in individuals with p.R127C mutations.5 Cases of PC with KRT16 p.R127S and p.R127G mutations also have been observed. The KRT16 c.380G>A, p.R127H mutation we documented has been reported in one kindred with PC who presented with PPK, oral leukokeratosis, toenail thickening, and pilosebaceous and follicular hyperkeratosis.6

Although patients with FPGK lack the thickening of fingernails and/or toenails considered a defining feature of PC, the disorders otherwise are phenotypically similar, suggesting the possibility of common pathogenesis. One linkage study of familial FPGK excluded genetic intervals containing type I and type II keratins but was limited to a single small kindred.2 This study and our data together suggest that, similar to PC, there are multiple genes in which mutations cause FPGK.

Murine Krt16 knockouts show distinct phenotypes depending on the mouse strain in which they are propagated, ranging from perinatal lethality to differences in the severity of oral and PPK lesions.7 These observations provide evidence that additional genetic variants contribute to Krt16 phenotypes in mice and suggest the same could be true for humans.

We propose that some cases of FPGK are due to mutations in KRT16 and thus share a genetic pathogenesis with PC, underscoring the utility of whole exome sequencing in providing genetic diagnoses for disorders that are genetically and clinically heterogeneous. Further biologic investigation of phenotypes caused by KRT16 mutation may reveal respective contributions of additional genetic variation and environmental effects to the variable clinical presentations.

To the Editor:

Focal palmoplantar keratoderma and gingival keratosis (FPGK)(Online Mendelian Inheritance in Man [OMIM] 148730) is a rare autosomal-dominant syndrome featuring focal, pressure-related, painful palmoplantar keratoderma and gingival hyperkeratosis presenting as leukokeratosis. Focal palmoplantar keratoderma and gingival keratosis was first defined by Gorlin1 in 1976. Since then, only a few cases have been reported, but no causative mutations have been identified.2

Focal pressure-related palmoplantar keratoderma (PPK) and oral hyperkeratosis also are seen in pachyonychia congenita (PC)(OMIM 167200, 615726, 615728, 167210), a rare autosomal-dominant disorder of keratinization characterized by PPK and nail dystrophy. Patients with PC often present with plantar pain; more variable features include oral leukokeratosis, follicular hyperkeratosis, pilosebaceous and epidermal inclusion cysts, hoarseness, hyperhidrosis, and natal teeth. Pachyonychia congenita is caused by mutation in keratin genes KRT6A, KRT6B, KRT16, or KRT17.

Focal palmoplantar keratoderma and gingival keratosis as well as PC are distinct from other forms of PPK with gingival involvement such as Papillon-Lefèvre syndrome (OMIM 245000) and Olmsted syndrome (OMIM 614594). Papillon-Lefèvre syndrome is a rare autosomal-recessive disorder caused by mutations in the cathepsin C, CTSC, gene that exhibits erythematous, diffuse, transgradient PPK and early severe periodontitis. Olmsted syndrome is caused by autosomal-dominant gene mutations in transient receptor potential cation channel, subfamily V, member 3, TRPV3, and is characterized by severe bilateral transgradient PPK with leukoplakia of the tongue and buccal mucosa but also usually exhibits marked periorificial keratotic plaques, which facilitate exclusion of other phenotypically similar syndromes.3

Despite the common features of FPGK and PC, they are considered distinct disorders due to absence of nail changes in FPGK and no prior evidence of a common genetic cause. We present a patient with familial FPGK found by whole exome sequencing to be caused by a mutation in KRT16.

Pedigree of a family (generations I, II, III, and IV) showing focal palmoplantar keratoderma and gingival keratosis in those heterozygous for KRT16 mutation p.R127H
FIGURE 1. Pedigree of a family (generations I, II, III, and IV) showing focal palmoplantar keratoderma and gingival keratosis in those heterozygous for KRT16 mutation p.R127H. Individuals III:1 (proband), III:2, and III:3 were heterozygous for KRT16 mutation c.380G>A, p.R127H as indicated; individual IV:1 did not carry this mutation and was designated wild-type/wild-type (w/w). Intergeneration transmission of the disease to males and females supports autosomal-dominant inheritance.

The proband was a 57-year-old man born to unrelated parents (Figure 1). He had no skin problems at birth, and his development was normal. He had painful focal keratoderma since childhood that were most prominent at pressure points on the soles and toes (Figure 2A), in addition to gingival hyperkeratosis and oral leukokeratosis (Figure 2B). He had no associated abnormalities of the skin, hair, or teeth and no nail findings (Figure 2C). He reported that his father and 2 of his 3 sisters were affected with similar symptoms. A punch biopsy of the right fifth toe was consistent with verrucous epidermal hyperplasia with perinuclear keratinization in the spinous layer (Figure 3A). A gingival biopsy showed perinuclear eosinophilic globules and basophilic stranding in the cytoplasm (Figure 3B). His older sister had more severe and painful focal keratoderma of the soles, punctate keratoderma of the palms, gingival hyperkeratosis, and leukokeratosis of the tongue.

A, Painful focal keratoderma most prominent at pressure points on the soles and toes. B, Gingival hyperkeratosis and oral leukokeratosis. C, Nails without thickening of plates or discoloration.
FIGURE 2. A, Painful focal keratoderma most prominent at pressure points on the soles and toes. B, Gingival hyperkeratosis and oral leukokeratosis. C, Nails without thickening of plates or discoloration.

Whole exome sequencing of the proband revealed a heterozygous missense mutation in KRT16 (c.380G>A, p.R127H, rs57424749). Sanger sequencing confirmed this mutation and showed that it was heterozygous in both of his affected sisters and absent in his unaffected niece (Figure 1). The patient was treated with topical and systemic retinoids, keratolytics, and mechanical removal to moderate effect, with noted improvement in the appearance and associated pain of the plantar keratoderma.

Histologic findings in a patient heterozygous for KRT16 mutation p.R127H
FIGURE 3. Histologic findings in a patient heterozygous for KRT16 mutation p.R127H. A, A punch biopsy of the right fifth toe showed verrucous epidermal hyperplasia with perinuclear keratinization in the spinous layer (H&E, original magnification ×40). B, A gingival biopsy showed perinuclear eosinophilic globules and basophilic stranding in the cytoplasm (H&E, original magnification ×40).

Phenotypic heterogeneity is common in PC, though PC due to KRT6A mutations demonstrates more severe nail disease with oral lesions, cysts, and follicular hyperkeratosis, while PC caused by KRT16 mutations generally presents with more extensive and painful PPK.4KRT16 mutations affecting p.R127 are frequent causes of PC, and genotype-phenotype correlations have been observed. Individuals with p.R127P mutations exhibit more severe disease with earlier age of onset, more extensive nail involvement and oral leukokeratosis, and greater impact on daily quality of life than in individuals with p.R127C mutations.5 Cases of PC with KRT16 p.R127S and p.R127G mutations also have been observed. The KRT16 c.380G>A, p.R127H mutation we documented has been reported in one kindred with PC who presented with PPK, oral leukokeratosis, toenail thickening, and pilosebaceous and follicular hyperkeratosis.6

Although patients with FPGK lack the thickening of fingernails and/or toenails considered a defining feature of PC, the disorders otherwise are phenotypically similar, suggesting the possibility of common pathogenesis. One linkage study of familial FPGK excluded genetic intervals containing type I and type II keratins but was limited to a single small kindred.2 This study and our data together suggest that, similar to PC, there are multiple genes in which mutations cause FPGK.

Murine Krt16 knockouts show distinct phenotypes depending on the mouse strain in which they are propagated, ranging from perinatal lethality to differences in the severity of oral and PPK lesions.7 These observations provide evidence that additional genetic variants contribute to Krt16 phenotypes in mice and suggest the same could be true for humans.

We propose that some cases of FPGK are due to mutations in KRT16 and thus share a genetic pathogenesis with PC, underscoring the utility of whole exome sequencing in providing genetic diagnoses for disorders that are genetically and clinically heterogeneous. Further biologic investigation of phenotypes caused by KRT16 mutation may reveal respective contributions of additional genetic variation and environmental effects to the variable clinical presentations.

References
  1. Gorlin RJ. Focal palmoplantar and marginal gingival hyperkeratosis—a syndrome. Birth Defects Orig Artic Ser. 1976;12:239-242.
  2. Kolde G, Hennies HC, Bethke G, et al. Focal palmoplantar and gingival keratosis: a distinct palmoplantar ectodermal dysplasia with epidermolytic alterations but lack of mutations in known keratins. J Am Acad Dermatol. 2005;52(3 pt 1):403-409.
  3. Duchatelet S, Hovnanian A. Olmsted syndrome: clinical, molecular and therapeutic aspects. Orphanet J Rare Dis. 2015;10:33.
  4. Spaunhurst KM, Hogendorf AM, Smith FJ, et al. Pachyonychia congenita patients with mutations in KRT6A have more extensive disease compared with patients who have mutations in KRT16. Br J Dermatol. 2012;166:875-878.
  5. Fu T, Leachman SA, Wilson NJ, et al. Genotype-phenotype correlations among pachyonychia congenita patients with K16 mutations. J Invest Dermatol. 2011;131:1025-1028.
  6. Wilson NJ, O’Toole EA, Milstone LM, et al. The molecular genetic analysis of the expanding pachyonychia congenita case collection. Br J Dermatol. 2014;171:343-355.
  7. Zieman A, Coulombe PA. The keratin 16 null phenotype is modestly impacted by genetic strain background in mice. Exp Dermatol. 2018;27:672-674.
References
  1. Gorlin RJ. Focal palmoplantar and marginal gingival hyperkeratosis—a syndrome. Birth Defects Orig Artic Ser. 1976;12:239-242.
  2. Kolde G, Hennies HC, Bethke G, et al. Focal palmoplantar and gingival keratosis: a distinct palmoplantar ectodermal dysplasia with epidermolytic alterations but lack of mutations in known keratins. J Am Acad Dermatol. 2005;52(3 pt 1):403-409.
  3. Duchatelet S, Hovnanian A. Olmsted syndrome: clinical, molecular and therapeutic aspects. Orphanet J Rare Dis. 2015;10:33.
  4. Spaunhurst KM, Hogendorf AM, Smith FJ, et al. Pachyonychia congenita patients with mutations in KRT6A have more extensive disease compared with patients who have mutations in KRT16. Br J Dermatol. 2012;166:875-878.
  5. Fu T, Leachman SA, Wilson NJ, et al. Genotype-phenotype correlations among pachyonychia congenita patients with K16 mutations. J Invest Dermatol. 2011;131:1025-1028.
  6. Wilson NJ, O’Toole EA, Milstone LM, et al. The molecular genetic analysis of the expanding pachyonychia congenita case collection. Br J Dermatol. 2014;171:343-355.
  7. Zieman A, Coulombe PA. The keratin 16 null phenotype is modestly impacted by genetic strain background in mice. Exp Dermatol. 2018;27:672-674.
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  • Focal palmoplantar keratoderma and gingival keratosis (FPGK) is a rare autosomal-dominant syndrome featuring focal, pressure-related, painful palmoplantar keratoderma (PPK) and gingival hyperkeratosis presenting as leukokeratosis.
  • Focal pressure-related PPK and oral hyperkeratosis also are seen in pachyonychia congenita (PC), which is caused by mutations in keratin genes and is distinguished from FPGK by characteristic nail changes.
  • A shared causative gene suggests that FPGK should be considered part of the PC spectrum.
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Meet Argireline, the neurotoxinlike cosmeceutical

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Wed, 07/20/2022 - 10:36

Acetyl hexapeptide-8 (or -3), better known by its brand name, Argireline (Lubrizol; Wickliffe, Ohio), is a synthetic peptide gaining popularity in cosmeceutical products for its antiaging benefits. Argireline was developed by the company Lipotec in 2001. Media, beauty bloggers, and product claims have likened this product to a “Botox [or other neurotoxin] alternative,” or “Botox mimicker.”

Mechanism of action

Understanding how Argireline works requires a brief refresher on the mechanism of action of botulinum neurotoxin (BoNT). BoNT relaxes facial muscles and smooths expression lines by inhibiting acetylcholine release at the neuromuscular junction.1 More specifically, the various serotypes of BoNT are single-chain polypeptides that target members of the SNARE complex: SNAP-25, syntaxin, and Vamp. The proteins within the SNARE complex are involved in the docking and fusion of presynaptic vesicles to the presynaptic membrane, necessary steps for acetylcholine release into the neuromuscular junction and muscle contraction. By blocking the action of the SNARE complex proteins, BoNT inhibits release of acetylcholine in the neuromuscular junction and prevents muscle contraction.

Dr. Chloe Goldman

Argireline is a synthetic peptide with the sequence Ac-EEMQRR-NH2.2 It is patterned after the N-terminal domain of SNAP-25, one of the members of the SNARE complex targeted by BoNT, and functions to interfere with the assembly of the SNARE complex. In this manner, Argireline would theoretically inhibit fusion of presynaptic vesicles and release of acetylcholine into the neuromuscular junction, thus impeding muscle movement. For this reason, it has been likened to topical Botox. Unlike Botox and other neurotoxins, Argireline was developed for topical application rather than injection.
 

Preclinical studies

In vitro work done 20 years ago demonstrated that Argireline can prevent assembly of the SNARE complex and inhibit neurotransmitter release with a potency similar to that of BoNT A (Botox).2

In 2013, Wang et al. evaluated the histologic effects of Argireline in aged mouse skin induced by D-galactose. For 6 weeks, Argireline was applied twice daily, and histological changes were assessed using hematoxylin and eosin (H&E) and picrosirius–polarization (PSP) stains. The researchers found elevated levels of type I collagen (P < .01) and reduced type III collagen (P < .05) with the Argireline treatment. These results demonstrated that Argireline could histologically enhance collagen in a manner consistent with skin rejuvenation.3
 

Clinical studies

In 2002, Blanes et al. assessed the antiwrinkle activity of Argireline by measuring skin topography from silicone implants in the lateral periorbital region of an oil/water (O/W) emulsion containing 10% of the acetyl-hexapeptide in 10 healthy women volunteers. The hexapeptide emulsion was applied twice daily in one lateral periorbital area, and the emulsion vehicle alone was applied twice daily on the contralateral side. Over 30 days of treatment, wrinkle depth was found to have decreased by 30%. The investigators also found that Argireline significantly hindered neurotransmitter release in vitro as robustly as BoNT A, though with notably lower efficacy. No toxicity or irritation was associated with this treatment.2 However, it should be noted that this small study conducted 2 decades ago evaluated only silicone implants with confocal microscopy to evaluate wrinkle depth. There was no subjective clinical assessment of dynamic facial wrinkles. As such, their study is an insufficient basis for drawing conclusions that Argireline is a BoNT mimic. Botox and other types of BoNT affect dynamic facial wrinkles mostly (i.e., wrinkles created by moving muscles of facial expression). This study primarily considers static wrinkles on periorbital skin. While static wrinkles may result from longstanding dynamic wrinkles, BoNT mainly targets dynamic wrinkles, again not comparing apples to apples.

 

 

At the same time that Wang et al. conducted their experiment on the skin of aged mice as noted above, they performed a multicenter clinical trial in 60 human subjects who received a randomized treatment of Argireline or placebo in a ratio of 3:1 to assess its safety and efficacy. For 4 weeks, the test product or placebo was applied to periorbital wrinkles twice daily. The researchers found the total antiwrinkle efficacy in the Argireline group to be 48.9% based on the subjective evaluation, compared with 0% in the placebo group. The objective evaluation indicated that all parameters of roughness were diminished in the Argireline group (P < .01), with no reduction observed in the placebo group (P < .05).4 There was a little more to appreciate from this study compared with the one reported by Blanes et al., insofar as subjective evaluations and objective evaluations with silica replicas were done. However, this study was not blinded, so the 48.9% wrinkle reduction in the Argireline group vs. 0% in the control group seems suspicious. Additionally, there was a greater focus on static rather than dynamic wrinkles.

In 2017, Raikou et al. conducted a prospective, randomized controlled study to assess the effects of acetyl hexapeptide-3 (Argireline) and tripeptide-10 citrulline in 24 healthy female volunteers (aged 30-60 years) and determine if there was any synergistic action between the peptides. Subjects were randomized to receive a combination of the peptides, tripeptide-10 citrulline only, acetyl hexapeptide-3 only, or neither peptide for 60 days. The researchers found a significant reduction in transepidermal water loss (TEWL) in the Argireline group, compared with the placebo group.5 The result of this study makes me question if the decrease in depth of the wrinkles measured in the former studies is really just a measure of increased skin hydration from the Argireline, rather than a neurotoxic effect of Argireline.
 

Formulation and penetration: Can Argireline get through your skin?

One of the fundamental questions regarding Argireline is whether it can penetrate through the stratum corneum and find its target – the facial muscles – where it is intended to function. Argireline is a charged, hydrophilic, and large–molecular weight peptide, and each of these factors impairs penetration through the stratum corneum. Therefore, studies assessing penetration are particularly important.

In 2015, Kraeling et al. conducted an in vitro evaluation of the skin penetration of acetyl hexapeptide-8 in hairless guinea pig and human cadaver skin. An oil-in-water (O/W) emulsion containing 10% acetyl hexapeptide-8 was applied (2 mg/cm2) and penetration was quantified in skin layers via hydrophilic interaction liquid chromatography with tandem mass spectrometry. Most of the acetyl hexapeptide-8 was found to have been washed from human cadaver, as well as guinea pig, skin. Less than 1% of the peptide penetrated the guinea pig or human skin. Of this small amount that penetrated the skin, most stayed in the stratum corneum of guinea pigs (0.54%) and human cadavers (0.22%). The levels of acetyl hexapeptide-8 declined further with each layer of tape stripping removal. Epidermal levels of the peptide in tested skin were similar at 0.01%, and none of the peptide was found in the dermis.6 These results indicate negligible penetration by this highly touted peptide ingredient.

Some studies have shown that altering the formulation of acetyl hexapeptide-8 can enhance penetration. Hoppel et al. demonstrated that formulations of the peptide, especially in a water-oil-water (W/O/W emulsion [as compared with O/W and W/O emulsions] can increase penetration into the stratum corneum in porcine skin.7 Notably, this is still very superficial relative to the dermis and muscles. Irrespective of formulation, studies have shown that Argireline barely penetrates the stratum corneum, let alone the dermis. Therefore, I would give pause to attributing any clinical impact or benefit of Argireline to its neurotoxinlike effects measured in vitro.
 

Conclusion

Despite the growing popularity of this ingredient in cosmeceuticals and the praise it gets in media for acting as a topical neurotoxin, there are no rigorous clinical trials or data demonstrating its efficacy in suppressing dynamic facial wrinkles like BoNT does. Most importantly, without penetration into the stratum corneum and deeper layers of the skin, it seems unlikely that Argireline’s clinical benefit derives from a neurotoxiclike mechanism of action. It seems more likely that the Argireline-containing product enhances hydration or imparts some other quality to the skin surface. While there is certainly great appeal for a neurotoxinlike product without injections, I do not believe this ingredient will replace injections of BoNT in the foreseeable future, or at least until scientists can figure out how to enable these products to penetrate into the deeper layers of the skin.

Dr. Goldman is a dermatologist in private practice in Miami and specializes in cosmetic and general dermatology. She practices at Baumann Cosmetic & Research Institute and is also opening a general dermatology practice. Dr. Goldman has no relevant disclosures. Write to her at [email protected] or message her on Instagram @DrChloeGoldman.

References

1. Reddy BY et al. Exp Dermatol. 2012 Aug;21(8):569-75.

2. Blanes-Mira C et al. Int J Cosmet Sci. 2002 Oct;24(5):303-10.

3. Wang Y et al. J Cosmet Laser Ther. 2013 Aug;15(4):237-41.

4. Wang Y et al. J Cosmet Laser Ther. 2013;14(2):147-53.

5. Raikou V et al. J Cosmet Dermatol. 2017 Jun;16(2):271-8.

6. Kraeling ME et al. Cutan Ocul Toxicol. 2015 Mar;34(1):46-52.

7. Hoppel M et al. Eur J Pharm Sci. 2015 Feb 20;68:27-35.

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Acetyl hexapeptide-8 (or -3), better known by its brand name, Argireline (Lubrizol; Wickliffe, Ohio), is a synthetic peptide gaining popularity in cosmeceutical products for its antiaging benefits. Argireline was developed by the company Lipotec in 2001. Media, beauty bloggers, and product claims have likened this product to a “Botox [or other neurotoxin] alternative,” or “Botox mimicker.”

Mechanism of action

Understanding how Argireline works requires a brief refresher on the mechanism of action of botulinum neurotoxin (BoNT). BoNT relaxes facial muscles and smooths expression lines by inhibiting acetylcholine release at the neuromuscular junction.1 More specifically, the various serotypes of BoNT are single-chain polypeptides that target members of the SNARE complex: SNAP-25, syntaxin, and Vamp. The proteins within the SNARE complex are involved in the docking and fusion of presynaptic vesicles to the presynaptic membrane, necessary steps for acetylcholine release into the neuromuscular junction and muscle contraction. By blocking the action of the SNARE complex proteins, BoNT inhibits release of acetylcholine in the neuromuscular junction and prevents muscle contraction.

Dr. Chloe Goldman

Argireline is a synthetic peptide with the sequence Ac-EEMQRR-NH2.2 It is patterned after the N-terminal domain of SNAP-25, one of the members of the SNARE complex targeted by BoNT, and functions to interfere with the assembly of the SNARE complex. In this manner, Argireline would theoretically inhibit fusion of presynaptic vesicles and release of acetylcholine into the neuromuscular junction, thus impeding muscle movement. For this reason, it has been likened to topical Botox. Unlike Botox and other neurotoxins, Argireline was developed for topical application rather than injection.
 

Preclinical studies

In vitro work done 20 years ago demonstrated that Argireline can prevent assembly of the SNARE complex and inhibit neurotransmitter release with a potency similar to that of BoNT A (Botox).2

In 2013, Wang et al. evaluated the histologic effects of Argireline in aged mouse skin induced by D-galactose. For 6 weeks, Argireline was applied twice daily, and histological changes were assessed using hematoxylin and eosin (H&E) and picrosirius–polarization (PSP) stains. The researchers found elevated levels of type I collagen (P < .01) and reduced type III collagen (P < .05) with the Argireline treatment. These results demonstrated that Argireline could histologically enhance collagen in a manner consistent with skin rejuvenation.3
 

Clinical studies

In 2002, Blanes et al. assessed the antiwrinkle activity of Argireline by measuring skin topography from silicone implants in the lateral periorbital region of an oil/water (O/W) emulsion containing 10% of the acetyl-hexapeptide in 10 healthy women volunteers. The hexapeptide emulsion was applied twice daily in one lateral periorbital area, and the emulsion vehicle alone was applied twice daily on the contralateral side. Over 30 days of treatment, wrinkle depth was found to have decreased by 30%. The investigators also found that Argireline significantly hindered neurotransmitter release in vitro as robustly as BoNT A, though with notably lower efficacy. No toxicity or irritation was associated with this treatment.2 However, it should be noted that this small study conducted 2 decades ago evaluated only silicone implants with confocal microscopy to evaluate wrinkle depth. There was no subjective clinical assessment of dynamic facial wrinkles. As such, their study is an insufficient basis for drawing conclusions that Argireline is a BoNT mimic. Botox and other types of BoNT affect dynamic facial wrinkles mostly (i.e., wrinkles created by moving muscles of facial expression). This study primarily considers static wrinkles on periorbital skin. While static wrinkles may result from longstanding dynamic wrinkles, BoNT mainly targets dynamic wrinkles, again not comparing apples to apples.

 

 

At the same time that Wang et al. conducted their experiment on the skin of aged mice as noted above, they performed a multicenter clinical trial in 60 human subjects who received a randomized treatment of Argireline or placebo in a ratio of 3:1 to assess its safety and efficacy. For 4 weeks, the test product or placebo was applied to periorbital wrinkles twice daily. The researchers found the total antiwrinkle efficacy in the Argireline group to be 48.9% based on the subjective evaluation, compared with 0% in the placebo group. The objective evaluation indicated that all parameters of roughness were diminished in the Argireline group (P < .01), with no reduction observed in the placebo group (P < .05).4 There was a little more to appreciate from this study compared with the one reported by Blanes et al., insofar as subjective evaluations and objective evaluations with silica replicas were done. However, this study was not blinded, so the 48.9% wrinkle reduction in the Argireline group vs. 0% in the control group seems suspicious. Additionally, there was a greater focus on static rather than dynamic wrinkles.

In 2017, Raikou et al. conducted a prospective, randomized controlled study to assess the effects of acetyl hexapeptide-3 (Argireline) and tripeptide-10 citrulline in 24 healthy female volunteers (aged 30-60 years) and determine if there was any synergistic action between the peptides. Subjects were randomized to receive a combination of the peptides, tripeptide-10 citrulline only, acetyl hexapeptide-3 only, or neither peptide for 60 days. The researchers found a significant reduction in transepidermal water loss (TEWL) in the Argireline group, compared with the placebo group.5 The result of this study makes me question if the decrease in depth of the wrinkles measured in the former studies is really just a measure of increased skin hydration from the Argireline, rather than a neurotoxic effect of Argireline.
 

Formulation and penetration: Can Argireline get through your skin?

One of the fundamental questions regarding Argireline is whether it can penetrate through the stratum corneum and find its target – the facial muscles – where it is intended to function. Argireline is a charged, hydrophilic, and large–molecular weight peptide, and each of these factors impairs penetration through the stratum corneum. Therefore, studies assessing penetration are particularly important.

In 2015, Kraeling et al. conducted an in vitro evaluation of the skin penetration of acetyl hexapeptide-8 in hairless guinea pig and human cadaver skin. An oil-in-water (O/W) emulsion containing 10% acetyl hexapeptide-8 was applied (2 mg/cm2) and penetration was quantified in skin layers via hydrophilic interaction liquid chromatography with tandem mass spectrometry. Most of the acetyl hexapeptide-8 was found to have been washed from human cadaver, as well as guinea pig, skin. Less than 1% of the peptide penetrated the guinea pig or human skin. Of this small amount that penetrated the skin, most stayed in the stratum corneum of guinea pigs (0.54%) and human cadavers (0.22%). The levels of acetyl hexapeptide-8 declined further with each layer of tape stripping removal. Epidermal levels of the peptide in tested skin were similar at 0.01%, and none of the peptide was found in the dermis.6 These results indicate negligible penetration by this highly touted peptide ingredient.

Some studies have shown that altering the formulation of acetyl hexapeptide-8 can enhance penetration. Hoppel et al. demonstrated that formulations of the peptide, especially in a water-oil-water (W/O/W emulsion [as compared with O/W and W/O emulsions] can increase penetration into the stratum corneum in porcine skin.7 Notably, this is still very superficial relative to the dermis and muscles. Irrespective of formulation, studies have shown that Argireline barely penetrates the stratum corneum, let alone the dermis. Therefore, I would give pause to attributing any clinical impact or benefit of Argireline to its neurotoxinlike effects measured in vitro.
 

Conclusion

Despite the growing popularity of this ingredient in cosmeceuticals and the praise it gets in media for acting as a topical neurotoxin, there are no rigorous clinical trials or data demonstrating its efficacy in suppressing dynamic facial wrinkles like BoNT does. Most importantly, without penetration into the stratum corneum and deeper layers of the skin, it seems unlikely that Argireline’s clinical benefit derives from a neurotoxiclike mechanism of action. It seems more likely that the Argireline-containing product enhances hydration or imparts some other quality to the skin surface. While there is certainly great appeal for a neurotoxinlike product without injections, I do not believe this ingredient will replace injections of BoNT in the foreseeable future, or at least until scientists can figure out how to enable these products to penetrate into the deeper layers of the skin.

Dr. Goldman is a dermatologist in private practice in Miami and specializes in cosmetic and general dermatology. She practices at Baumann Cosmetic & Research Institute and is also opening a general dermatology practice. Dr. Goldman has no relevant disclosures. Write to her at [email protected] or message her on Instagram @DrChloeGoldman.

References

1. Reddy BY et al. Exp Dermatol. 2012 Aug;21(8):569-75.

2. Blanes-Mira C et al. Int J Cosmet Sci. 2002 Oct;24(5):303-10.

3. Wang Y et al. J Cosmet Laser Ther. 2013 Aug;15(4):237-41.

4. Wang Y et al. J Cosmet Laser Ther. 2013;14(2):147-53.

5. Raikou V et al. J Cosmet Dermatol. 2017 Jun;16(2):271-8.

6. Kraeling ME et al. Cutan Ocul Toxicol. 2015 Mar;34(1):46-52.

7. Hoppel M et al. Eur J Pharm Sci. 2015 Feb 20;68:27-35.

Acetyl hexapeptide-8 (or -3), better known by its brand name, Argireline (Lubrizol; Wickliffe, Ohio), is a synthetic peptide gaining popularity in cosmeceutical products for its antiaging benefits. Argireline was developed by the company Lipotec in 2001. Media, beauty bloggers, and product claims have likened this product to a “Botox [or other neurotoxin] alternative,” or “Botox mimicker.”

Mechanism of action

Understanding how Argireline works requires a brief refresher on the mechanism of action of botulinum neurotoxin (BoNT). BoNT relaxes facial muscles and smooths expression lines by inhibiting acetylcholine release at the neuromuscular junction.1 More specifically, the various serotypes of BoNT are single-chain polypeptides that target members of the SNARE complex: SNAP-25, syntaxin, and Vamp. The proteins within the SNARE complex are involved in the docking and fusion of presynaptic vesicles to the presynaptic membrane, necessary steps for acetylcholine release into the neuromuscular junction and muscle contraction. By blocking the action of the SNARE complex proteins, BoNT inhibits release of acetylcholine in the neuromuscular junction and prevents muscle contraction.

Dr. Chloe Goldman

Argireline is a synthetic peptide with the sequence Ac-EEMQRR-NH2.2 It is patterned after the N-terminal domain of SNAP-25, one of the members of the SNARE complex targeted by BoNT, and functions to interfere with the assembly of the SNARE complex. In this manner, Argireline would theoretically inhibit fusion of presynaptic vesicles and release of acetylcholine into the neuromuscular junction, thus impeding muscle movement. For this reason, it has been likened to topical Botox. Unlike Botox and other neurotoxins, Argireline was developed for topical application rather than injection.
 

Preclinical studies

In vitro work done 20 years ago demonstrated that Argireline can prevent assembly of the SNARE complex and inhibit neurotransmitter release with a potency similar to that of BoNT A (Botox).2

In 2013, Wang et al. evaluated the histologic effects of Argireline in aged mouse skin induced by D-galactose. For 6 weeks, Argireline was applied twice daily, and histological changes were assessed using hematoxylin and eosin (H&E) and picrosirius–polarization (PSP) stains. The researchers found elevated levels of type I collagen (P < .01) and reduced type III collagen (P < .05) with the Argireline treatment. These results demonstrated that Argireline could histologically enhance collagen in a manner consistent with skin rejuvenation.3
 

Clinical studies

In 2002, Blanes et al. assessed the antiwrinkle activity of Argireline by measuring skin topography from silicone implants in the lateral periorbital region of an oil/water (O/W) emulsion containing 10% of the acetyl-hexapeptide in 10 healthy women volunteers. The hexapeptide emulsion was applied twice daily in one lateral periorbital area, and the emulsion vehicle alone was applied twice daily on the contralateral side. Over 30 days of treatment, wrinkle depth was found to have decreased by 30%. The investigators also found that Argireline significantly hindered neurotransmitter release in vitro as robustly as BoNT A, though with notably lower efficacy. No toxicity or irritation was associated with this treatment.2 However, it should be noted that this small study conducted 2 decades ago evaluated only silicone implants with confocal microscopy to evaluate wrinkle depth. There was no subjective clinical assessment of dynamic facial wrinkles. As such, their study is an insufficient basis for drawing conclusions that Argireline is a BoNT mimic. Botox and other types of BoNT affect dynamic facial wrinkles mostly (i.e., wrinkles created by moving muscles of facial expression). This study primarily considers static wrinkles on periorbital skin. While static wrinkles may result from longstanding dynamic wrinkles, BoNT mainly targets dynamic wrinkles, again not comparing apples to apples.

 

 

At the same time that Wang et al. conducted their experiment on the skin of aged mice as noted above, they performed a multicenter clinical trial in 60 human subjects who received a randomized treatment of Argireline or placebo in a ratio of 3:1 to assess its safety and efficacy. For 4 weeks, the test product or placebo was applied to periorbital wrinkles twice daily. The researchers found the total antiwrinkle efficacy in the Argireline group to be 48.9% based on the subjective evaluation, compared with 0% in the placebo group. The objective evaluation indicated that all parameters of roughness were diminished in the Argireline group (P < .01), with no reduction observed in the placebo group (P < .05).4 There was a little more to appreciate from this study compared with the one reported by Blanes et al., insofar as subjective evaluations and objective evaluations with silica replicas were done. However, this study was not blinded, so the 48.9% wrinkle reduction in the Argireline group vs. 0% in the control group seems suspicious. Additionally, there was a greater focus on static rather than dynamic wrinkles.

In 2017, Raikou et al. conducted a prospective, randomized controlled study to assess the effects of acetyl hexapeptide-3 (Argireline) and tripeptide-10 citrulline in 24 healthy female volunteers (aged 30-60 years) and determine if there was any synergistic action between the peptides. Subjects were randomized to receive a combination of the peptides, tripeptide-10 citrulline only, acetyl hexapeptide-3 only, or neither peptide for 60 days. The researchers found a significant reduction in transepidermal water loss (TEWL) in the Argireline group, compared with the placebo group.5 The result of this study makes me question if the decrease in depth of the wrinkles measured in the former studies is really just a measure of increased skin hydration from the Argireline, rather than a neurotoxic effect of Argireline.
 

Formulation and penetration: Can Argireline get through your skin?

One of the fundamental questions regarding Argireline is whether it can penetrate through the stratum corneum and find its target – the facial muscles – where it is intended to function. Argireline is a charged, hydrophilic, and large–molecular weight peptide, and each of these factors impairs penetration through the stratum corneum. Therefore, studies assessing penetration are particularly important.

In 2015, Kraeling et al. conducted an in vitro evaluation of the skin penetration of acetyl hexapeptide-8 in hairless guinea pig and human cadaver skin. An oil-in-water (O/W) emulsion containing 10% acetyl hexapeptide-8 was applied (2 mg/cm2) and penetration was quantified in skin layers via hydrophilic interaction liquid chromatography with tandem mass spectrometry. Most of the acetyl hexapeptide-8 was found to have been washed from human cadaver, as well as guinea pig, skin. Less than 1% of the peptide penetrated the guinea pig or human skin. Of this small amount that penetrated the skin, most stayed in the stratum corneum of guinea pigs (0.54%) and human cadavers (0.22%). The levels of acetyl hexapeptide-8 declined further with each layer of tape stripping removal. Epidermal levels of the peptide in tested skin were similar at 0.01%, and none of the peptide was found in the dermis.6 These results indicate negligible penetration by this highly touted peptide ingredient.

Some studies have shown that altering the formulation of acetyl hexapeptide-8 can enhance penetration. Hoppel et al. demonstrated that formulations of the peptide, especially in a water-oil-water (W/O/W emulsion [as compared with O/W and W/O emulsions] can increase penetration into the stratum corneum in porcine skin.7 Notably, this is still very superficial relative to the dermis and muscles. Irrespective of formulation, studies have shown that Argireline barely penetrates the stratum corneum, let alone the dermis. Therefore, I would give pause to attributing any clinical impact or benefit of Argireline to its neurotoxinlike effects measured in vitro.
 

Conclusion

Despite the growing popularity of this ingredient in cosmeceuticals and the praise it gets in media for acting as a topical neurotoxin, there are no rigorous clinical trials or data demonstrating its efficacy in suppressing dynamic facial wrinkles like BoNT does. Most importantly, without penetration into the stratum corneum and deeper layers of the skin, it seems unlikely that Argireline’s clinical benefit derives from a neurotoxiclike mechanism of action. It seems more likely that the Argireline-containing product enhances hydration or imparts some other quality to the skin surface. While there is certainly great appeal for a neurotoxinlike product without injections, I do not believe this ingredient will replace injections of BoNT in the foreseeable future, or at least until scientists can figure out how to enable these products to penetrate into the deeper layers of the skin.

Dr. Goldman is a dermatologist in private practice in Miami and specializes in cosmetic and general dermatology. She practices at Baumann Cosmetic & Research Institute and is also opening a general dermatology practice. Dr. Goldman has no relevant disclosures. Write to her at [email protected] or message her on Instagram @DrChloeGoldman.

References

1. Reddy BY et al. Exp Dermatol. 2012 Aug;21(8):569-75.

2. Blanes-Mira C et al. Int J Cosmet Sci. 2002 Oct;24(5):303-10.

3. Wang Y et al. J Cosmet Laser Ther. 2013 Aug;15(4):237-41.

4. Wang Y et al. J Cosmet Laser Ther. 2013;14(2):147-53.

5. Raikou V et al. J Cosmet Dermatol. 2017 Jun;16(2):271-8.

6. Kraeling ME et al. Cutan Ocul Toxicol. 2015 Mar;34(1):46-52.

7. Hoppel M et al. Eur J Pharm Sci. 2015 Feb 20;68:27-35.

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FDA approves topical ruxolitinib for nonsegmental vitiligo

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Tue, 07/19/2022 - 15:12

The Food and Drug Administration has approved topical ruxolitinib (Opzelura) for the treatment of nonsegmental vitiligo in patients aged 12 years or older, the manufacturer, Incyte, announced on July 18. The treatment, which was approved for treating mild to moderate atopic dermatitis in September 2021, is a cream formulation of ruxolitinib, a Janus kinase 1 (JAK1)/JAK2 inhibitor.

Previously, no treatment was approved to repigment patients with vitiligo, says David Rosmarin, MD, vice chair for research and education in the department of dermatology at Tufts Medical Center, Boston. “It’s important to have options that we can give to patients that are both safe and effective to get them the desired results,” Dr. Rosmarin, the lead investigator of the phase 3 clinical trials of topical ruxolitinib, said in an interview. Vitiligo is “a disease that can really affect quality of life. Some people [with vitiligo] feel as if they’re being stared at or they’re being bullied; they don’t feel confident. It can affect relationships and intimacy.”

Approval was based on the results of two phase 3 trials (TruE-V1 and TruE-V2) in 674 patients with nonsegmental vitiligo aged 12 years or older. At 24 weeks, about 30% of the patients on treatment, applied twice a day, achieved at least a 75% improvement in the facial Vitiligo Area Scoring Index (F-VASI75), compared with about 8% and 13% among those in the vehicle groups in the two trials.

At 52 weeks, about 50% of the patients treated with topical ruxolitinib achieved F-VASI75.

Also, using self-reporting as measured by the Vitiligo Noticeability Scale, about 30%-40% of patients described their vitiligo as being “a lot less noticeable” or “no longer noticeable” at week 52. Dr. Rosmarin reported the 52-week results at the 2022 annual meeting of the American Academy of Dermatology.

The trial group used 1.5% ruxolitinib cream twice daily for the full year. The vehicle group began using ruxolitinib halfway through the trial. In this group, 26.8% and 29.6% achieved F-VASI 75 at 52 weeks in the two trials.



For treating vitiligo, patients are advised to apply a thin layer of topical ruxolitinib to affected areas twice a day, “up to 10% body surface area,” according to the prescribing information, which adds: “Satisfactory patient response may require treatment … for more than 24 weeks. If the patient does not find the repigmentation meaningful by 24 weeks, the patient should be reevaluated by the health care provider.”

The most common side effects during the vehicle-controlled part of the trials were development of acne and pruritus at the application site, headache, urinary tract infections, erythema at the application site, and pyrexia, according to the company.

The approved label for topical ruxolitinib includes a boxed warning about serious infections, mortality, cancer, major adverse cardiovascular events, and thrombosis – which, the warning notes, is based on reports in patients treated with oral JAK inhibitors for inflammatory conditions.

Dr. Rosmarin believes that using this drug with other therapies, like light treatment, might yield even better responses. The available data are in patients treated with ruxolitinib as monotherapy, without complementary therapies.

William Damsky, MD, PhD, professor of dermatology and dermatopathology at Yale University, New Haven, who was not involved in the trials, said what is most exciting about this drug is its novelty. Although some topical steroids are used off-label to treat vitiligo, their efficacy is far from what’s been observed in these trials of topical ruxolitinib, he told this news organization. “It’s huge for a number of reasons. … One very big reason is it just provides some hope” for the many patients with vitiligo who, over the years, have been told “that there’s nothing that could be done for their disease, and this really changes that.”

Dr. Rosmarin reports financial relationships with over 20 pharmaceutical companies. Dr. Damsky disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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The Food and Drug Administration has approved topical ruxolitinib (Opzelura) for the treatment of nonsegmental vitiligo in patients aged 12 years or older, the manufacturer, Incyte, announced on July 18. The treatment, which was approved for treating mild to moderate atopic dermatitis in September 2021, is a cream formulation of ruxolitinib, a Janus kinase 1 (JAK1)/JAK2 inhibitor.

Previously, no treatment was approved to repigment patients with vitiligo, says David Rosmarin, MD, vice chair for research and education in the department of dermatology at Tufts Medical Center, Boston. “It’s important to have options that we can give to patients that are both safe and effective to get them the desired results,” Dr. Rosmarin, the lead investigator of the phase 3 clinical trials of topical ruxolitinib, said in an interview. Vitiligo is “a disease that can really affect quality of life. Some people [with vitiligo] feel as if they’re being stared at or they’re being bullied; they don’t feel confident. It can affect relationships and intimacy.”

Approval was based on the results of two phase 3 trials (TruE-V1 and TruE-V2) in 674 patients with nonsegmental vitiligo aged 12 years or older. At 24 weeks, about 30% of the patients on treatment, applied twice a day, achieved at least a 75% improvement in the facial Vitiligo Area Scoring Index (F-VASI75), compared with about 8% and 13% among those in the vehicle groups in the two trials.

At 52 weeks, about 50% of the patients treated with topical ruxolitinib achieved F-VASI75.

Also, using self-reporting as measured by the Vitiligo Noticeability Scale, about 30%-40% of patients described their vitiligo as being “a lot less noticeable” or “no longer noticeable” at week 52. Dr. Rosmarin reported the 52-week results at the 2022 annual meeting of the American Academy of Dermatology.

The trial group used 1.5% ruxolitinib cream twice daily for the full year. The vehicle group began using ruxolitinib halfway through the trial. In this group, 26.8% and 29.6% achieved F-VASI 75 at 52 weeks in the two trials.



For treating vitiligo, patients are advised to apply a thin layer of topical ruxolitinib to affected areas twice a day, “up to 10% body surface area,” according to the prescribing information, which adds: “Satisfactory patient response may require treatment … for more than 24 weeks. If the patient does not find the repigmentation meaningful by 24 weeks, the patient should be reevaluated by the health care provider.”

The most common side effects during the vehicle-controlled part of the trials were development of acne and pruritus at the application site, headache, urinary tract infections, erythema at the application site, and pyrexia, according to the company.

The approved label for topical ruxolitinib includes a boxed warning about serious infections, mortality, cancer, major adverse cardiovascular events, and thrombosis – which, the warning notes, is based on reports in patients treated with oral JAK inhibitors for inflammatory conditions.

Dr. Rosmarin believes that using this drug with other therapies, like light treatment, might yield even better responses. The available data are in patients treated with ruxolitinib as monotherapy, without complementary therapies.

William Damsky, MD, PhD, professor of dermatology and dermatopathology at Yale University, New Haven, who was not involved in the trials, said what is most exciting about this drug is its novelty. Although some topical steroids are used off-label to treat vitiligo, their efficacy is far from what’s been observed in these trials of topical ruxolitinib, he told this news organization. “It’s huge for a number of reasons. … One very big reason is it just provides some hope” for the many patients with vitiligo who, over the years, have been told “that there’s nothing that could be done for their disease, and this really changes that.”

Dr. Rosmarin reports financial relationships with over 20 pharmaceutical companies. Dr. Damsky disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

The Food and Drug Administration has approved topical ruxolitinib (Opzelura) for the treatment of nonsegmental vitiligo in patients aged 12 years or older, the manufacturer, Incyte, announced on July 18. The treatment, which was approved for treating mild to moderate atopic dermatitis in September 2021, is a cream formulation of ruxolitinib, a Janus kinase 1 (JAK1)/JAK2 inhibitor.

Previously, no treatment was approved to repigment patients with vitiligo, says David Rosmarin, MD, vice chair for research and education in the department of dermatology at Tufts Medical Center, Boston. “It’s important to have options that we can give to patients that are both safe and effective to get them the desired results,” Dr. Rosmarin, the lead investigator of the phase 3 clinical trials of topical ruxolitinib, said in an interview. Vitiligo is “a disease that can really affect quality of life. Some people [with vitiligo] feel as if they’re being stared at or they’re being bullied; they don’t feel confident. It can affect relationships and intimacy.”

Approval was based on the results of two phase 3 trials (TruE-V1 and TruE-V2) in 674 patients with nonsegmental vitiligo aged 12 years or older. At 24 weeks, about 30% of the patients on treatment, applied twice a day, achieved at least a 75% improvement in the facial Vitiligo Area Scoring Index (F-VASI75), compared with about 8% and 13% among those in the vehicle groups in the two trials.

At 52 weeks, about 50% of the patients treated with topical ruxolitinib achieved F-VASI75.

Also, using self-reporting as measured by the Vitiligo Noticeability Scale, about 30%-40% of patients described their vitiligo as being “a lot less noticeable” or “no longer noticeable” at week 52. Dr. Rosmarin reported the 52-week results at the 2022 annual meeting of the American Academy of Dermatology.

The trial group used 1.5% ruxolitinib cream twice daily for the full year. The vehicle group began using ruxolitinib halfway through the trial. In this group, 26.8% and 29.6% achieved F-VASI 75 at 52 weeks in the two trials.



For treating vitiligo, patients are advised to apply a thin layer of topical ruxolitinib to affected areas twice a day, “up to 10% body surface area,” according to the prescribing information, which adds: “Satisfactory patient response may require treatment … for more than 24 weeks. If the patient does not find the repigmentation meaningful by 24 weeks, the patient should be reevaluated by the health care provider.”

The most common side effects during the vehicle-controlled part of the trials were development of acne and pruritus at the application site, headache, urinary tract infections, erythema at the application site, and pyrexia, according to the company.

The approved label for topical ruxolitinib includes a boxed warning about serious infections, mortality, cancer, major adverse cardiovascular events, and thrombosis – which, the warning notes, is based on reports in patients treated with oral JAK inhibitors for inflammatory conditions.

Dr. Rosmarin believes that using this drug with other therapies, like light treatment, might yield even better responses. The available data are in patients treated with ruxolitinib as monotherapy, without complementary therapies.

William Damsky, MD, PhD, professor of dermatology and dermatopathology at Yale University, New Haven, who was not involved in the trials, said what is most exciting about this drug is its novelty. Although some topical steroids are used off-label to treat vitiligo, their efficacy is far from what’s been observed in these trials of topical ruxolitinib, he told this news organization. “It’s huge for a number of reasons. … One very big reason is it just provides some hope” for the many patients with vitiligo who, over the years, have been told “that there’s nothing that could be done for their disease, and this really changes that.”

Dr. Rosmarin reports financial relationships with over 20 pharmaceutical companies. Dr. Damsky disclosed no relevant financial relationships.

A version of this article first appeared on Medscape.com.

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