Good solutions have great road maps. 

For HIV preexposure prophylaxis (PrEP), the road map might just be that of contraceptive care. Once an onerous process, over time contraceptive care exploded into a range of options across a broad landscape in terms of approach and accessibility.

How then do organizations help vulnerable patients navigate their PrEP journeys using the contraceptive road map as a guide?

That’s what researchers at the University of Washington were intent on demonstrating, according to Julie Dombrowski, MD, MPH, an infectious disease specialist at the University of Washington, Seattle, and deputy director of the HIV/STD Program, Public Health for the city of Seattle and King County, Wash.

“The same sorts of things that happened with oral contraceptive pills – which initially required you to see a gynecologist and get a Pap smear – over time, became much more available,” said Dr. Dombrowski, coauthor of a new study published online in the Journal of Acquired Immune Deficiency Syndrome.

“The basic idea is that PrEP is not medically complicated; it can be easily protocolized,” she told this news organization.
 

Decentralizing HIV PrEP

In addition to her responsibilities at University of Washington, Dr. Dombrowski provides clinical services at the Public Health Sexual Health Clinic (PHSKC) at Seattle’s Harborview Medical Center – a dual-county center that provides confidential STI and HIV evaluation, screening, testing, and treatment on a walk-in basis for a sliding fee.

Sexual health clinics are ideal environments for reaching large numbers of patients, but strategies for integrating PrEP successfully into what are commonly one-time appointments have not been well-described or broadly adopted. 

“Sexual health clinics in general are STD specialty clinics with walk-in access to care; often, patients come into a clinic, get seen, diagnosed, and treated, and they don’t necessarily come back,” said Dr. Dombrowski. 

She said that, because most operations have been set up around same-day treatment, to offer PrEP and successfully change outcomes, there needs to be a shift in the current model toward one that promotes an ongoing relationship with the patients.

So, she and her colleagues decided to see what would happen if they implemented a decentralized PrEP model in their clinic over a 6-year period. They established a protocol that moves from an initial consultation with a clinician to review risk behaviors, ascertain HIV status, and acquire a PrEP prescription, to ongoing interactions with an STI and PrEP-trained disease intervention specialist (DIS).

As the clinic’s PrEP program coordinators, these specialists enroll patients in PrEP drug assistance programs, verify prescription fills, provide follow-up visits and adherence and adverse events assessments, and collect specimens.

“[Disease intervention specialists] are frontline public health workers who ensure that people diagnosed with HIV or an STI – or who’ve been exposed – get necessary testing and treatment,” explained Dr. Dombrowski. “They’re very similar to patient navigators.”

At the same time, clinicians remain the key providers for annual appointments, new symptoms, STI diagnoses, adverse drug reactions, and missed doses. Licensed medical providers review all labs.
 

Shifting responsibilities, better PrEP initiation, retention rates

After establishing the PrEP services protocol, the University of Washington team then assessed retention rates among PrEP patients who attended an initial visit (1,387) from October 2014 to December 2019. Follow-up continued through February 2020. (For study purposes, PrEP discontinuation was defined as either stopping PrEP after initiation or as lost to follow-up, i.e., either not attending a follow-up visit or not responding to more than three DIS calls or text messages).

Just over half of the participants were aged 20-29 years, and a third were aged 30-39. More than 9 out of 10 (93%) were men who sleep with men (MSM), 55% White, 26% Hispanic/Latinx, and 10% Black. 

Over the course of the study, 6,887 PrEP visits were recorded. Quarterly visits increased concurrently with the program expansion, from 31 visits in 2014 to 623 in the fourth quarter (Q4) of 2019. Likewise, while 57% of visits overall were with a clinician, DIS visits increased from 3% in Q4 of 2014 to 45% in Q4 of 2019, an increase of 1,400% in 5 years.

Significant numbers of patients also initiated PrEP in the clinic, especially when prescribing practices were expanded to be part of routine, walk-in visits.

Retention rates also improved, with 43% (510/1,190) of patients still on PrEP at the end of the analysis period. Forty-one percent (490) discontinued PrEP, 21% within 3 months of initiation, and 72% within a year; another 16% moved, transferred care, or tested positive, and were considered “censored.” However, as of July 31, 2021, 54% (265) of the 490 patients who had discontinued PrEP returned to the clinic for a restart visit, 93% of whom refilled their restart prescription.

“This is really basic preventative care and is actually quite easy to do,” noted Sarah Schmalzle, MD, assistant professor of medicine and medical director of the Thrive Program at the Institute of Human Virology at the University of Maryland, Baltimore. Dr. Schmalzle was not involved in the study. 

Dr. Schmalzle practices in inner-city Baltimore, so she and her colleagues have been thorough in terms of setting up PrEP (and postexposure prophylaxis, PEP) programs to ensure that patients access PrEP wherever they want to. But she also said that PrEP is only a part of the sexual wellness and prevention toolbox, and ideally, part of a whole prevention program. 

“Focusing on how to get the prescription out is great but the rest is having ongoing and accurate sexual health conversations, healthy conversations about sex and prevention, to have [an] algorithm in place that says, ‘Here’s your PrEP, this is the next time that you need an appointment, the next time you need labs, I’m going to check your adherence, etc.’ ”

Both Dr. Dombrowski and Dr. Schmalzle emphasized that decentralization is not a one-size model; flexibility is key, especially when it comes to who is providing PrEP 

“People overcomplicate PrEP and clinicians do this too,” said Dr. Dombrowski. “If we are going to successfully increase PrEP and improve the patient experience, we need to decrease the requirement for clinician involvement.”

Dr. Dombrowski has disclosed no relevant financial relationships. Dr. Schmalzle receives grant funding from Gilead Sciences.

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

Good solutions have great road maps. 

For HIV preexposure prophylaxis (PrEP), the road map might just be that of contraceptive care. Once an onerous process, over time contraceptive care exploded into a range of options across a broad landscape in terms of approach and accessibility.

How then do organizations help vulnerable patients navigate their PrEP journeys using the contraceptive road map as a guide?

That’s what researchers at the University of Washington were intent on demonstrating, according to Julie Dombrowski, MD, MPH, an infectious disease specialist at the University of Washington, Seattle, and deputy director of the HIV/STD Program, Public Health for the city of Seattle and King County, Wash.

“The same sorts of things that happened with oral contraceptive pills – which initially required you to see a gynecologist and get a Pap smear – over time, became much more available,” said Dr. Dombrowski, coauthor of a new study published online in the Journal of Acquired Immune Deficiency Syndrome.

“The basic idea is that PrEP is not medically complicated; it can be easily protocolized,” she told this news organization.
 

Decentralizing HIV PrEP

In addition to her responsibilities at University of Washington, Dr. Dombrowski provides clinical services at the Public Health Sexual Health Clinic (PHSKC) at Seattle’s Harborview Medical Center – a dual-county center that provides confidential STI and HIV evaluation, screening, testing, and treatment on a walk-in basis for a sliding fee.

Sexual health clinics are ideal environments for reaching large numbers of patients, but strategies for integrating PrEP successfully into what are commonly one-time appointments have not been well-described or broadly adopted. 

“Sexual health clinics in general are STD specialty clinics with walk-in access to care; often, patients come into a clinic, get seen, diagnosed, and treated, and they don’t necessarily come back,” said Dr. Dombrowski. 

She said that, because most operations have been set up around same-day treatment, to offer PrEP and successfully change outcomes, there needs to be a shift in the current model toward one that promotes an ongoing relationship with the patients.

So, she and her colleagues decided to see what would happen if they implemented a decentralized PrEP model in their clinic over a 6-year period. They established a protocol that moves from an initial consultation with a clinician to review risk behaviors, ascertain HIV status, and acquire a PrEP prescription, to ongoing interactions with an STI and PrEP-trained disease intervention specialist (DIS).

As the clinic’s PrEP program coordinators, these specialists enroll patients in PrEP drug assistance programs, verify prescription fills, provide follow-up visits and adherence and adverse events assessments, and collect specimens.

“[Disease intervention specialists] are frontline public health workers who ensure that people diagnosed with HIV or an STI – or who’ve been exposed – get necessary testing and treatment,” explained Dr. Dombrowski. “They’re very similar to patient navigators.”

At the same time, clinicians remain the key providers for annual appointments, new symptoms, STI diagnoses, adverse drug reactions, and missed doses. Licensed medical providers review all labs.
 

Shifting responsibilities, better PrEP initiation, retention rates

After establishing the PrEP services protocol, the University of Washington team then assessed retention rates among PrEP patients who attended an initial visit (1,387) from October 2014 to December 2019. Follow-up continued through February 2020. (For study purposes, PrEP discontinuation was defined as either stopping PrEP after initiation or as lost to follow-up, i.e., either not attending a follow-up visit or not responding to more than three DIS calls or text messages).

Just over half of the participants were aged 20-29 years, and a third were aged 30-39. More than 9 out of 10 (93%) were men who sleep with men (MSM), 55% White, 26% Hispanic/Latinx, and 10% Black. 

Over the course of the study, 6,887 PrEP visits were recorded. Quarterly visits increased concurrently with the program expansion, from 31 visits in 2014 to 623 in the fourth quarter (Q4) of 2019. Likewise, while 57% of visits overall were with a clinician, DIS visits increased from 3% in Q4 of 2014 to 45% in Q4 of 2019, an increase of 1,400% in 5 years.

Significant numbers of patients also initiated PrEP in the clinic, especially when prescribing practices were expanded to be part of routine, walk-in visits.

Retention rates also improved, with 43% (510/1,190) of patients still on PrEP at the end of the analysis period. Forty-one percent (490) discontinued PrEP, 21% within 3 months of initiation, and 72% within a year; another 16% moved, transferred care, or tested positive, and were considered “censored.” However, as of July 31, 2021, 54% (265) of the 490 patients who had discontinued PrEP returned to the clinic for a restart visit, 93% of whom refilled their restart prescription.

“This is really basic preventative care and is actually quite easy to do,” noted Sarah Schmalzle, MD, assistant professor of medicine and medical director of the Thrive Program at the Institute of Human Virology at the University of Maryland, Baltimore. Dr. Schmalzle was not involved in the study. 

Dr. Schmalzle practices in inner-city Baltimore, so she and her colleagues have been thorough in terms of setting up PrEP (and postexposure prophylaxis, PEP) programs to ensure that patients access PrEP wherever they want to. But she also said that PrEP is only a part of the sexual wellness and prevention toolbox, and ideally, part of a whole prevention program. 

“Focusing on how to get the prescription out is great but the rest is having ongoing and accurate sexual health conversations, healthy conversations about sex and prevention, to have [an] algorithm in place that says, ‘Here’s your PrEP, this is the next time that you need an appointment, the next time you need labs, I’m going to check your adherence, etc.’ ”

Both Dr. Dombrowski and Dr. Schmalzle emphasized that decentralization is not a one-size model; flexibility is key, especially when it comes to who is providing PrEP 

“People overcomplicate PrEP and clinicians do this too,” said Dr. Dombrowski. “If we are going to successfully increase PrEP and improve the patient experience, we need to decrease the requirement for clinician involvement.”

Dr. Dombrowski has disclosed no relevant financial relationships. Dr. Schmalzle receives grant funding from Gilead Sciences.

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

Good solutions have great road maps. 

For HIV preexposure prophylaxis (PrEP), the road map might just be that of contraceptive care. Once an onerous process, over time contraceptive care exploded into a range of options across a broad landscape in terms of approach and accessibility.

How then do organizations help vulnerable patients navigate their PrEP journeys using the contraceptive road map as a guide?

That’s what researchers at the University of Washington were intent on demonstrating, according to Julie Dombrowski, MD, MPH, an infectious disease specialist at the University of Washington, Seattle, and deputy director of the HIV/STD Program, Public Health for the city of Seattle and King County, Wash.

“The same sorts of things that happened with oral contraceptive pills – which initially required you to see a gynecologist and get a Pap smear – over time, became much more available,” said Dr. Dombrowski, coauthor of a new study published online in the Journal of Acquired Immune Deficiency Syndrome.

“The basic idea is that PrEP is not medically complicated; it can be easily protocolized,” she told this news organization.
 

Decentralizing HIV PrEP

In addition to her responsibilities at University of Washington, Dr. Dombrowski provides clinical services at the Public Health Sexual Health Clinic (PHSKC) at Seattle’s Harborview Medical Center – a dual-county center that provides confidential STI and HIV evaluation, screening, testing, and treatment on a walk-in basis for a sliding fee.

Sexual health clinics are ideal environments for reaching large numbers of patients, but strategies for integrating PrEP successfully into what are commonly one-time appointments have not been well-described or broadly adopted. 

“Sexual health clinics in general are STD specialty clinics with walk-in access to care; often, patients come into a clinic, get seen, diagnosed, and treated, and they don’t necessarily come back,” said Dr. Dombrowski. 

She said that, because most operations have been set up around same-day treatment, to offer PrEP and successfully change outcomes, there needs to be a shift in the current model toward one that promotes an ongoing relationship with the patients.

So, she and her colleagues decided to see what would happen if they implemented a decentralized PrEP model in their clinic over a 6-year period. They established a protocol that moves from an initial consultation with a clinician to review risk behaviors, ascertain HIV status, and acquire a PrEP prescription, to ongoing interactions with an STI and PrEP-trained disease intervention specialist (DIS).

As the clinic’s PrEP program coordinators, these specialists enroll patients in PrEP drug assistance programs, verify prescription fills, provide follow-up visits and adherence and adverse events assessments, and collect specimens.

“[Disease intervention specialists] are frontline public health workers who ensure that people diagnosed with HIV or an STI – or who’ve been exposed – get necessary testing and treatment,” explained Dr. Dombrowski. “They’re very similar to patient navigators.”

At the same time, clinicians remain the key providers for annual appointments, new symptoms, STI diagnoses, adverse drug reactions, and missed doses. Licensed medical providers review all labs.
 

Shifting responsibilities, better PrEP initiation, retention rates

After establishing the PrEP services protocol, the University of Washington team then assessed retention rates among PrEP patients who attended an initial visit (1,387) from October 2014 to December 2019. Follow-up continued through February 2020. (For study purposes, PrEP discontinuation was defined as either stopping PrEP after initiation or as lost to follow-up, i.e., either not attending a follow-up visit or not responding to more than three DIS calls or text messages).

Just over half of the participants were aged 20-29 years, and a third were aged 30-39. More than 9 out of 10 (93%) were men who sleep with men (MSM), 55% White, 26% Hispanic/Latinx, and 10% Black. 

Over the course of the study, 6,887 PrEP visits were recorded. Quarterly visits increased concurrently with the program expansion, from 31 visits in 2014 to 623 in the fourth quarter (Q4) of 2019. Likewise, while 57% of visits overall were with a clinician, DIS visits increased from 3% in Q4 of 2014 to 45% in Q4 of 2019, an increase of 1,400% in 5 years.

Significant numbers of patients also initiated PrEP in the clinic, especially when prescribing practices were expanded to be part of routine, walk-in visits.

Retention rates also improved, with 43% (510/1,190) of patients still on PrEP at the end of the analysis period. Forty-one percent (490) discontinued PrEP, 21% within 3 months of initiation, and 72% within a year; another 16% moved, transferred care, or tested positive, and were considered “censored.” However, as of July 31, 2021, 54% (265) of the 490 patients who had discontinued PrEP returned to the clinic for a restart visit, 93% of whom refilled their restart prescription.

“This is really basic preventative care and is actually quite easy to do,” noted Sarah Schmalzle, MD, assistant professor of medicine and medical director of the Thrive Program at the Institute of Human Virology at the University of Maryland, Baltimore. Dr. Schmalzle was not involved in the study. 

Dr. Schmalzle practices in inner-city Baltimore, so she and her colleagues have been thorough in terms of setting up PrEP (and postexposure prophylaxis, PEP) programs to ensure that patients access PrEP wherever they want to. But she also said that PrEP is only a part of the sexual wellness and prevention toolbox, and ideally, part of a whole prevention program. 

“Focusing on how to get the prescription out is great but the rest is having ongoing and accurate sexual health conversations, healthy conversations about sex and prevention, to have [an] algorithm in place that says, ‘Here’s your PrEP, this is the next time that you need an appointment, the next time you need labs, I’m going to check your adherence, etc.’ ”

Both Dr. Dombrowski and Dr. Schmalzle emphasized that decentralization is not a one-size model; flexibility is key, especially when it comes to who is providing PrEP 

“People overcomplicate PrEP and clinicians do this too,” said Dr. Dombrowski. “If we are going to successfully increase PrEP and improve the patient experience, we need to decrease the requirement for clinician involvement.”

Dr. Dombrowski has disclosed no relevant financial relationships. Dr. Schmalzle receives grant funding from Gilead Sciences.

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

Madhu Manivannan, a third-year medical student at Emory University, Atlanta, is on the vanguard of a new approach to clinical education. Ms. Manivannan, copresident of Emory Medical Students for Climate Action, was in the first class of Emory’s medical students to experience the birth of a refined curriculum – lobbied for and partially created by students themselves. The new course of study addresses the myriad ways climate affects health: from air pollution and its effects on the lungs and cardiovascular system to heat-related kidney disease.

“We have known that climate has affected health for decades,” Ms. Manivannan said in a recent interview. “The narrative used to be that icebergs were melting and in 2050 polar bears would be extinct. The piece that’s different now is people are linking climate to increases in asthma and various diseases. We have a way to directly communicate that it’s not a far-off thing. It’s happening to your friends and family right now.”

Hospitals, medical schools, and public health programs are stepping up to educate the next generation of doctors as well as veteran medical workers on one of the most widespread, insidious health threats of our time – climate change – and specific ways it could affect their patients.

Although climate change may seem to many Americans like a distant threat, Marilyn Howarth, MD, a pediatrician in Philadelphia, is trying to make sure physicians are better prepared to treat a growing number of health problems associated with global warming.

“There isn’t a lot of education for pediatricians and internists on environmental health issues. It has not been a standard part of education in medical school or residency training,” Dr. Howarth, deputy director of the new Philadelphia Regional Center for Children’s Environmental Health, said. “With increasing attention on our climate, we really recognize there’s a real gap in physician knowledge, both in pediatric and adult care.”

Scientists have found that climate change can alter just about every system within the human body. Studies show that more extreme weather events, such as heat waves, thunderstorms, and floods, can worsen asthma and produce more pollen and mold, triggering debilitating respiratory problems.

According to the American Lung Association, ultrafine particles of air pollution can be inhaled and then travel throughout the bloodstream, wreaking havoc on organs and increasing risk of heart attack and stroke. Various types of air pollution also cause changes to the climate by trapping heat in the atmosphere, which leads to problems such as rising sea levels and extreme weather. Plus, in a new study published in Nature, scientists warn that warming climates are forcing animals to migrate to different areas, raising the risk that new infectious diseases will hop from animals – such as bats – to humans, a process called “zoonotic spillover” that many researchers believe is responsible for the COVID-19 pandemic.
 

The Philadelphia Regional Center for Children’s Environmental Health

One of the latest initiatives aimed at disseminating information about children’s health to health care providers is the Philadelphia Regional Center for Children’s Environmental Health, part of Children’s Hospital of Philadelphia and Penn Medicine. CHOP and Penn Medicine are jointly funding this center’s work, which will include educating health care providers on how to better screen for climate-caused health risks and treat related conditions, such as lead poisoning and asthma.

Outreach will focus on providers who treat patients with illnesses that researchers have linked to climate change, Dr. Howarth said. The center will offer clinicians access to seminars and webinars, along with online resources to help doctors treat environmental illnesses. For example, doctors at CHOP’s Poison Control Center are developing a toolkit for physicians to treat patients with elevated levels of lead in the blood. Scientists have linked extreme weather events related to climate change to flooding that pushes metals away from river banks where they were previously contained, allowing them to more easily contaminate homes, soils, and yards.

The initiative builds on CHOP’s Community Asthma Prevention Program (CAPP), which was launched in 1997 by Tyra Bryant-Stephens, MD, its current medical director. CAPP deploys community health workers into homes armed with supplies and tips for managing asthma. The new center will use similar tactics to provide education and resources to patients. The goal is to reach as many at-risk local children as possible.
 

Future generation of doctors fuel growth in climate change education

Lisa Doggett, MD, cofounder and president of the board of directors of Texas Physicians for Social Responsibility, announced in March that the University of Texas at Austin, Baylor College of Medicine, Houston, and the University of Texas Southwestern in Dallas have all decided to begin offering a course on environmental threats. Emory’s new curriculum has become more comprehensive every year since its start – thanks in part to the input of students like Ms. Manivannan. Faculty members tasked her with approving the new additions to the curriculum on how climate affects health, which in 2019 had consisted of a few slides about issues such as extreme heat exposure and air pollution and their effects on childbirth outcomes.

Material on climate change has now been woven into 13 courses. It is discussed at length in relation to pulmonology, cardiology, and gastropulmonology, for example, said Rebecca Philipsborn, MD, MPA, FAAP, faculty lead for the environmental and health curriculum at Emory.

The curriculum has only been incorporated into Emory’s program for the past 2 years. Dr. Philipsborn said the school plans to expand it to the clinical years to help trainees learn to treat conditions such as pediatric asthma.

“In the past few years, there has been so much momentum, and part of that is a testament to already seeing effects of climate change and how they affect delivery of health care,” she said.

At least one medical journal has recently ramped up its efforts to educate physicians on the links between health issues and climate change. Editors of Family Practice, from Oxford University Press, have announced that they plan to publish a special Climate Crisis and Primary Health Care issue in September.

Of course, not all climate initiatives in medicine are new. A select few have existed for decades.

But only now are physicians widely seeing the links between health and environment, according to Aaron Bernstein, MD, MPH, interim director of the Center for Climate, Health, and the Global Environment (C-CHANGE) at Harvard School of Public Health, Boston.

C-CHANGE, founded in 1996, was the first center in the world to focus on the health effects of environmental change.

“It’s taken 20 years, but what we’re seeing, I think, is the fruits of education,” Dr. Bernstein said. “There’s clearly a wave building here, and I think it really started with education and people younger than the people in charge calling them into account.”

Like the Philadelphia center, Harvard’s program conducts research on climate and health and educates people from high schoolers to health care veterans. Dr. Bernstein helps lead Climate MD, a program that aims to prepare health care workers for climate crises. The Climate MD team has published several articles in peer-reviewed journals on how to better treat patients struggling with environmental health problems. For example, an article on mapping patients in hurricane zones helped shed light on how systems can identify climate-vulnerable patients using public data.

They also developed a tool to help pediatricians provide “climate-informed primary care” – guidance on how to assess whether children are at risk of any harmful environmental exposures, a feature that is not part of standard pediatric visits.

Like the other programs, Climate MD uses community outreach to treat as many local patients as possible. Staff work with providers at more than 100 health clinics, particularly in areas where climate change disproportionately affects residents.

The next major step is to bring some of this into clinical practice, Dr. Bernstein said. In February 2020, C-CHANGE held its first symposium to address that issue.

“The key is to understand climate issues from a provider’s perspective,” he said. “Then those issues can really be brought to the bedside.”

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

Madhu Manivannan, a third-year medical student at Emory University, Atlanta, is on the vanguard of a new approach to clinical education. Ms. Manivannan, copresident of Emory Medical Students for Climate Action, was in the first class of Emory’s medical students to experience the birth of a refined curriculum – lobbied for and partially created by students themselves. The new course of study addresses the myriad ways climate affects health: from air pollution and its effects on the lungs and cardiovascular system to heat-related kidney disease.

“We have known that climate has affected health for decades,” Ms. Manivannan said in a recent interview. “The narrative used to be that icebergs were melting and in 2050 polar bears would be extinct. The piece that’s different now is people are linking climate to increases in asthma and various diseases. We have a way to directly communicate that it’s not a far-off thing. It’s happening to your friends and family right now.”

Hospitals, medical schools, and public health programs are stepping up to educate the next generation of doctors as well as veteran medical workers on one of the most widespread, insidious health threats of our time – climate change – and specific ways it could affect their patients.

Although climate change may seem to many Americans like a distant threat, Marilyn Howarth, MD, a pediatrician in Philadelphia, is trying to make sure physicians are better prepared to treat a growing number of health problems associated with global warming.

“There isn’t a lot of education for pediatricians and internists on environmental health issues. It has not been a standard part of education in medical school or residency training,” Dr. Howarth, deputy director of the new Philadelphia Regional Center for Children’s Environmental Health, said. “With increasing attention on our climate, we really recognize there’s a real gap in physician knowledge, both in pediatric and adult care.”

Scientists have found that climate change can alter just about every system within the human body. Studies show that more extreme weather events, such as heat waves, thunderstorms, and floods, can worsen asthma and produce more pollen and mold, triggering debilitating respiratory problems.

According to the American Lung Association, ultrafine particles of air pollution can be inhaled and then travel throughout the bloodstream, wreaking havoc on organs and increasing risk of heart attack and stroke. Various types of air pollution also cause changes to the climate by trapping heat in the atmosphere, which leads to problems such as rising sea levels and extreme weather. Plus, in a new study published in Nature, scientists warn that warming climates are forcing animals to migrate to different areas, raising the risk that new infectious diseases will hop from animals – such as bats – to humans, a process called “zoonotic spillover” that many researchers believe is responsible for the COVID-19 pandemic.
 

The Philadelphia Regional Center for Children’s Environmental Health

One of the latest initiatives aimed at disseminating information about children’s health to health care providers is the Philadelphia Regional Center for Children’s Environmental Health, part of Children’s Hospital of Philadelphia and Penn Medicine. CHOP and Penn Medicine are jointly funding this center’s work, which will include educating health care providers on how to better screen for climate-caused health risks and treat related conditions, such as lead poisoning and asthma.

Outreach will focus on providers who treat patients with illnesses that researchers have linked to climate change, Dr. Howarth said. The center will offer clinicians access to seminars and webinars, along with online resources to help doctors treat environmental illnesses. For example, doctors at CHOP’s Poison Control Center are developing a toolkit for physicians to treat patients with elevated levels of lead in the blood. Scientists have linked extreme weather events related to climate change to flooding that pushes metals away from river banks where they were previously contained, allowing them to more easily contaminate homes, soils, and yards.

The initiative builds on CHOP’s Community Asthma Prevention Program (CAPP), which was launched in 1997 by Tyra Bryant-Stephens, MD, its current medical director. CAPP deploys community health workers into homes armed with supplies and tips for managing asthma. The new center will use similar tactics to provide education and resources to patients. The goal is to reach as many at-risk local children as possible.
 

Future generation of doctors fuel growth in climate change education

Lisa Doggett, MD, cofounder and president of the board of directors of Texas Physicians for Social Responsibility, announced in March that the University of Texas at Austin, Baylor College of Medicine, Houston, and the University of Texas Southwestern in Dallas have all decided to begin offering a course on environmental threats. Emory’s new curriculum has become more comprehensive every year since its start – thanks in part to the input of students like Ms. Manivannan. Faculty members tasked her with approving the new additions to the curriculum on how climate affects health, which in 2019 had consisted of a few slides about issues such as extreme heat exposure and air pollution and their effects on childbirth outcomes.

Material on climate change has now been woven into 13 courses. It is discussed at length in relation to pulmonology, cardiology, and gastropulmonology, for example, said Rebecca Philipsborn, MD, MPA, FAAP, faculty lead for the environmental and health curriculum at Emory.

The curriculum has only been incorporated into Emory’s program for the past 2 years. Dr. Philipsborn said the school plans to expand it to the clinical years to help trainees learn to treat conditions such as pediatric asthma.

“In the past few years, there has been so much momentum, and part of that is a testament to already seeing effects of climate change and how they affect delivery of health care,” she said.

At least one medical journal has recently ramped up its efforts to educate physicians on the links between health issues and climate change. Editors of Family Practice, from Oxford University Press, have announced that they plan to publish a special Climate Crisis and Primary Health Care issue in September.

Of course, not all climate initiatives in medicine are new. A select few have existed for decades.

But only now are physicians widely seeing the links between health and environment, according to Aaron Bernstein, MD, MPH, interim director of the Center for Climate, Health, and the Global Environment (C-CHANGE) at Harvard School of Public Health, Boston.

C-CHANGE, founded in 1996, was the first center in the world to focus on the health effects of environmental change.

“It’s taken 20 years, but what we’re seeing, I think, is the fruits of education,” Dr. Bernstein said. “There’s clearly a wave building here, and I think it really started with education and people younger than the people in charge calling them into account.”

Like the Philadelphia center, Harvard’s program conducts research on climate and health and educates people from high schoolers to health care veterans. Dr. Bernstein helps lead Climate MD, a program that aims to prepare health care workers for climate crises. The Climate MD team has published several articles in peer-reviewed journals on how to better treat patients struggling with environmental health problems. For example, an article on mapping patients in hurricane zones helped shed light on how systems can identify climate-vulnerable patients using public data.

They also developed a tool to help pediatricians provide “climate-informed primary care” – guidance on how to assess whether children are at risk of any harmful environmental exposures, a feature that is not part of standard pediatric visits.

Like the other programs, Climate MD uses community outreach to treat as many local patients as possible. Staff work with providers at more than 100 health clinics, particularly in areas where climate change disproportionately affects residents.

The next major step is to bring some of this into clinical practice, Dr. Bernstein said. In February 2020, C-CHANGE held its first symposium to address that issue.

“The key is to understand climate issues from a provider’s perspective,” he said. “Then those issues can really be brought to the bedside.”

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

Madhu Manivannan, a third-year medical student at Emory University, Atlanta, is on the vanguard of a new approach to clinical education. Ms. Manivannan, copresident of Emory Medical Students for Climate Action, was in the first class of Emory’s medical students to experience the birth of a refined curriculum – lobbied for and partially created by students themselves. The new course of study addresses the myriad ways climate affects health: from air pollution and its effects on the lungs and cardiovascular system to heat-related kidney disease.

“We have known that climate has affected health for decades,” Ms. Manivannan said in a recent interview. “The narrative used to be that icebergs were melting and in 2050 polar bears would be extinct. The piece that’s different now is people are linking climate to increases in asthma and various diseases. We have a way to directly communicate that it’s not a far-off thing. It’s happening to your friends and family right now.”

Hospitals, medical schools, and public health programs are stepping up to educate the next generation of doctors as well as veteran medical workers on one of the most widespread, insidious health threats of our time – climate change – and specific ways it could affect their patients.

Although climate change may seem to many Americans like a distant threat, Marilyn Howarth, MD, a pediatrician in Philadelphia, is trying to make sure physicians are better prepared to treat a growing number of health problems associated with global warming.

“There isn’t a lot of education for pediatricians and internists on environmental health issues. It has not been a standard part of education in medical school or residency training,” Dr. Howarth, deputy director of the new Philadelphia Regional Center for Children’s Environmental Health, said. “With increasing attention on our climate, we really recognize there’s a real gap in physician knowledge, both in pediatric and adult care.”

Scientists have found that climate change can alter just about every system within the human body. Studies show that more extreme weather events, such as heat waves, thunderstorms, and floods, can worsen asthma and produce more pollen and mold, triggering debilitating respiratory problems.

According to the American Lung Association, ultrafine particles of air pollution can be inhaled and then travel throughout the bloodstream, wreaking havoc on organs and increasing risk of heart attack and stroke. Various types of air pollution also cause changes to the climate by trapping heat in the atmosphere, which leads to problems such as rising sea levels and extreme weather. Plus, in a new study published in Nature, scientists warn that warming climates are forcing animals to migrate to different areas, raising the risk that new infectious diseases will hop from animals – such as bats – to humans, a process called “zoonotic spillover” that many researchers believe is responsible for the COVID-19 pandemic.
 

The Philadelphia Regional Center for Children’s Environmental Health

One of the latest initiatives aimed at disseminating information about children’s health to health care providers is the Philadelphia Regional Center for Children’s Environmental Health, part of Children’s Hospital of Philadelphia and Penn Medicine. CHOP and Penn Medicine are jointly funding this center’s work, which will include educating health care providers on how to better screen for climate-caused health risks and treat related conditions, such as lead poisoning and asthma.

Outreach will focus on providers who treat patients with illnesses that researchers have linked to climate change, Dr. Howarth said. The center will offer clinicians access to seminars and webinars, along with online resources to help doctors treat environmental illnesses. For example, doctors at CHOP’s Poison Control Center are developing a toolkit for physicians to treat patients with elevated levels of lead in the blood. Scientists have linked extreme weather events related to climate change to flooding that pushes metals away from river banks where they were previously contained, allowing them to more easily contaminate homes, soils, and yards.

The initiative builds on CHOP’s Community Asthma Prevention Program (CAPP), which was launched in 1997 by Tyra Bryant-Stephens, MD, its current medical director. CAPP deploys community health workers into homes armed with supplies and tips for managing asthma. The new center will use similar tactics to provide education and resources to patients. The goal is to reach as many at-risk local children as possible.
 

Future generation of doctors fuel growth in climate change education

Lisa Doggett, MD, cofounder and president of the board of directors of Texas Physicians for Social Responsibility, announced in March that the University of Texas at Austin, Baylor College of Medicine, Houston, and the University of Texas Southwestern in Dallas have all decided to begin offering a course on environmental threats. Emory’s new curriculum has become more comprehensive every year since its start – thanks in part to the input of students like Ms. Manivannan. Faculty members tasked her with approving the new additions to the curriculum on how climate affects health, which in 2019 had consisted of a few slides about issues such as extreme heat exposure and air pollution and their effects on childbirth outcomes.

Material on climate change has now been woven into 13 courses. It is discussed at length in relation to pulmonology, cardiology, and gastropulmonology, for example, said Rebecca Philipsborn, MD, MPA, FAAP, faculty lead for the environmental and health curriculum at Emory.

The curriculum has only been incorporated into Emory’s program for the past 2 years. Dr. Philipsborn said the school plans to expand it to the clinical years to help trainees learn to treat conditions such as pediatric asthma.

“In the past few years, there has been so much momentum, and part of that is a testament to already seeing effects of climate change and how they affect delivery of health care,” she said.

At least one medical journal has recently ramped up its efforts to educate physicians on the links between health issues and climate change. Editors of Family Practice, from Oxford University Press, have announced that they plan to publish a special Climate Crisis and Primary Health Care issue in September.

Of course, not all climate initiatives in medicine are new. A select few have existed for decades.

But only now are physicians widely seeing the links between health and environment, according to Aaron Bernstein, MD, MPH, interim director of the Center for Climate, Health, and the Global Environment (C-CHANGE) at Harvard School of Public Health, Boston.

C-CHANGE, founded in 1996, was the first center in the world to focus on the health effects of environmental change.

“It’s taken 20 years, but what we’re seeing, I think, is the fruits of education,” Dr. Bernstein said. “There’s clearly a wave building here, and I think it really started with education and people younger than the people in charge calling them into account.”

Like the Philadelphia center, Harvard’s program conducts research on climate and health and educates people from high schoolers to health care veterans. Dr. Bernstein helps lead Climate MD, a program that aims to prepare health care workers for climate crises. The Climate MD team has published several articles in peer-reviewed journals on how to better treat patients struggling with environmental health problems. For example, an article on mapping patients in hurricane zones helped shed light on how systems can identify climate-vulnerable patients using public data.

They also developed a tool to help pediatricians provide “climate-informed primary care” – guidance on how to assess whether children are at risk of any harmful environmental exposures, a feature that is not part of standard pediatric visits.

Like the other programs, Climate MD uses community outreach to treat as many local patients as possible. Staff work with providers at more than 100 health clinics, particularly in areas where climate change disproportionately affects residents.

The next major step is to bring some of this into clinical practice, Dr. Bernstein said. In February 2020, C-CHANGE held its first symposium to address that issue.

“The key is to understand climate issues from a provider’s perspective,” he said. “Then those issues can really be brought to the bedside.”

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

SAN DIEGO – The end of the legal standards set by Roe v. Wade will likely lead to bans in as many as 26 states and send a flood of abortion seekers to the remaining states that still allow the procedure, an obstetrician-gynecologist warned colleagues at the annual clinical and scientific meeting of the American College of Obstetricians and Gynecologists.

“The blue states neighboring those states will likely see an outpouring of patients among those who can travel,” Kristyn Brandi, MD, of New Jersey Medical School, Newark, said in a presentation about legal threats to abortion rights. “These will likely flood the health care systems and delay care for everyone. Make no mistake: Virtually all ob.gyns. across the country have the potential to be impacted.”

Indeed, research suggests that thousands more Texans than usual are heading out of state for abortions each month in the wake of a new, strict antiabortion law there.

Only three sessions at the 3-day ACOG meeting directly addressed abortion. But the topic was clearly on the minds of attendees in the wake of the release of a leaked draft of a Supreme Court ruling that would eliminate federal protection for abortion rights.

The 57,000-member ACOG organization firmly supports abortion rights and declares on its website that “Abortion Is Healthcare.”

In a workshop on challenges to abortion, ACOG chief of staff Dorothea Calvano Lindquist said “we remain your steadfast partner in advocacy and guidance on all levels.”

Ivana S. Thompson, MD, an ob.gyn. at Vanderbilt University, Nashville, Tenn., explained in a presentation that Roe v. Wade established a framework for regulations around abortion; they may not be regulated during the first trimester, but states may impose rules in the second semester that are related to health. “And then in the third trimester, once the fetus reaches viability, the state may regulate abortions or even prohibit them entirely, so long as there are exceptions for medical emergencies,” she said.

The Supreme Court ruling in the 1992 case of Planned Parenthood v. Casey did away with the trimester framework, Dr. Thompson said, and declared that abortion regulations could not place an “undue burden” on women.

This change allowed laws that “are purposely designed to trap providers and clinics and to restrict their ability to provide abortions, not due to health concerns but really just to prevent pregnant people from accessing care,” she said.

In 2018, Mississippi passed a law – which never went into effect and is now challenged before the Supreme Court – that makes most abortions illegal after 15 weeks. And in September 2021, a Texas law went into effect that outlaws abortions after a fetal heartbeat is detected.

What happens if Roe is overturned and laws that ban or severely limit abortion go into effect in states across the country? In Nashville, Dr. Thompson said, patients will have to travel to Illinois – more than 300 miles away – to reach the nearest abortion clinic.

“When I think about my own clinical practice over the last year, [if the law were in place] I would not have been able to offer an abortion to a developmentally delayed, nonverbal patient who was raped by her brother,” she said. “I would not have been able to offer an abortion to the service person who was sexually assaulted by a coworker in the field. I would not have been able to offer an abortion to a person with a pregnancy complicated by a hypoplastic left heart, congenital diaphragmatic hernias with the stomach in the thorax, an unformed lumbar spine, and other anomalies.”

Bhavik Kumar, MD, a family medicine physician and medical director for primary and trans care at Planned Parenthood Gulf Coast in Houston, said the effects of the new law in Texas are already apparent. As he told ABC News last fall, he used to perform 20-30 abortions per day, but the number dwindled immediately the day the law went into effect.

At the ACOG presentation, Dr. Kumar highlighted a March 2022 research brief that reported that abortions in Texas fell by half in the month after the law was implemented compared with the previous year. And the average number of abortions performed on Texans who left the state grew by more than 10-fold from the period of September-December 2019 (514) to September-December 2021 (5,574).

Once the law went into effect, Dr. Kumar said, “we began to see longer waiting times at clinics in nearby states, wait times that started out as short as a day go to an average of 2-3 weeks to get an initial appointment. And some of these states also have mandatory delays of up to 72 hours.”

Dr. Kumar added that he’s “heard from emergency-room physicians and nurses who call and ask me what they can and cannot say when providing care for pregnant people in Texas and how they should be counseling their patients who may need emergency or urgent care after returning to Texas.”

Dr. Brandi cautioned colleagues that even ob.gyns. who don’t perform abortions will still be affected by the overturning of Roe. In some states, they’ll have to understand the rules about treating women with early ruptured membranes when cardiac motion is detected or with atopic pregnancies with cardiac activity at risk of potential tubal rupture.

The speakers urged colleagues to take action at the ballot box and their own clinics to protect patients. “While the recent leak is a truly scary moment for our country and for our practices, I’m hopeful that it will help galvanize our communities,” Dr. Brandi said. Regardless of where you live, regardless of where you practice, this ruling impacts all ob.gyns., everyone in this room. Each of us needs to go home after this conference and figure out what you are going to do to make sure that our patients can still get the care that they need.”

SAN DIEGO – The end of the legal standards set by Roe v. Wade will likely lead to bans in as many as 26 states and send a flood of abortion seekers to the remaining states that still allow the procedure, an obstetrician-gynecologist warned colleagues at the annual clinical and scientific meeting of the American College of Obstetricians and Gynecologists.

“The blue states neighboring those states will likely see an outpouring of patients among those who can travel,” Kristyn Brandi, MD, of New Jersey Medical School, Newark, said in a presentation about legal threats to abortion rights. “These will likely flood the health care systems and delay care for everyone. Make no mistake: Virtually all ob.gyns. across the country have the potential to be impacted.”

Indeed, research suggests that thousands more Texans than usual are heading out of state for abortions each month in the wake of a new, strict antiabortion law there.

Only three sessions at the 3-day ACOG meeting directly addressed abortion. But the topic was clearly on the minds of attendees in the wake of the release of a leaked draft of a Supreme Court ruling that would eliminate federal protection for abortion rights.

The 57,000-member ACOG organization firmly supports abortion rights and declares on its website that “Abortion Is Healthcare.”

In a workshop on challenges to abortion, ACOG chief of staff Dorothea Calvano Lindquist said “we remain your steadfast partner in advocacy and guidance on all levels.”

Ivana S. Thompson, MD, an ob.gyn. at Vanderbilt University, Nashville, Tenn., explained in a presentation that Roe v. Wade established a framework for regulations around abortion; they may not be regulated during the first trimester, but states may impose rules in the second semester that are related to health. “And then in the third trimester, once the fetus reaches viability, the state may regulate abortions or even prohibit them entirely, so long as there are exceptions for medical emergencies,” she said.

The Supreme Court ruling in the 1992 case of Planned Parenthood v. Casey did away with the trimester framework, Dr. Thompson said, and declared that abortion regulations could not place an “undue burden” on women.

This change allowed laws that “are purposely designed to trap providers and clinics and to restrict their ability to provide abortions, not due to health concerns but really just to prevent pregnant people from accessing care,” she said.

In 2018, Mississippi passed a law – which never went into effect and is now challenged before the Supreme Court – that makes most abortions illegal after 15 weeks. And in September 2021, a Texas law went into effect that outlaws abortions after a fetal heartbeat is detected.

What happens if Roe is overturned and laws that ban or severely limit abortion go into effect in states across the country? In Nashville, Dr. Thompson said, patients will have to travel to Illinois – more than 300 miles away – to reach the nearest abortion clinic.

“When I think about my own clinical practice over the last year, [if the law were in place] I would not have been able to offer an abortion to a developmentally delayed, nonverbal patient who was raped by her brother,” she said. “I would not have been able to offer an abortion to the service person who was sexually assaulted by a coworker in the field. I would not have been able to offer an abortion to a person with a pregnancy complicated by a hypoplastic left heart, congenital diaphragmatic hernias with the stomach in the thorax, an unformed lumbar spine, and other anomalies.”

Bhavik Kumar, MD, a family medicine physician and medical director for primary and trans care at Planned Parenthood Gulf Coast in Houston, said the effects of the new law in Texas are already apparent. As he told ABC News last fall, he used to perform 20-30 abortions per day, but the number dwindled immediately the day the law went into effect.

At the ACOG presentation, Dr. Kumar highlighted a March 2022 research brief that reported that abortions in Texas fell by half in the month after the law was implemented compared with the previous year. And the average number of abortions performed on Texans who left the state grew by more than 10-fold from the period of September-December 2019 (514) to September-December 2021 (5,574).

Once the law went into effect, Dr. Kumar said, “we began to see longer waiting times at clinics in nearby states, wait times that started out as short as a day go to an average of 2-3 weeks to get an initial appointment. And some of these states also have mandatory delays of up to 72 hours.”

Dr. Kumar added that he’s “heard from emergency-room physicians and nurses who call and ask me what they can and cannot say when providing care for pregnant people in Texas and how they should be counseling their patients who may need emergency or urgent care after returning to Texas.”

Dr. Brandi cautioned colleagues that even ob.gyns. who don’t perform abortions will still be affected by the overturning of Roe. In some states, they’ll have to understand the rules about treating women with early ruptured membranes when cardiac motion is detected or with atopic pregnancies with cardiac activity at risk of potential tubal rupture.

The speakers urged colleagues to take action at the ballot box and their own clinics to protect patients. “While the recent leak is a truly scary moment for our country and for our practices, I’m hopeful that it will help galvanize our communities,” Dr. Brandi said. Regardless of where you live, regardless of where you practice, this ruling impacts all ob.gyns., everyone in this room. Each of us needs to go home after this conference and figure out what you are going to do to make sure that our patients can still get the care that they need.”

SAN DIEGO – The end of the legal standards set by Roe v. Wade will likely lead to bans in as many as 26 states and send a flood of abortion seekers to the remaining states that still allow the procedure, an obstetrician-gynecologist warned colleagues at the annual clinical and scientific meeting of the American College of Obstetricians and Gynecologists.

“The blue states neighboring those states will likely see an outpouring of patients among those who can travel,” Kristyn Brandi, MD, of New Jersey Medical School, Newark, said in a presentation about legal threats to abortion rights. “These will likely flood the health care systems and delay care for everyone. Make no mistake: Virtually all ob.gyns. across the country have the potential to be impacted.”

Indeed, research suggests that thousands more Texans than usual are heading out of state for abortions each month in the wake of a new, strict antiabortion law there.

Only three sessions at the 3-day ACOG meeting directly addressed abortion. But the topic was clearly on the minds of attendees in the wake of the release of a leaked draft of a Supreme Court ruling that would eliminate federal protection for abortion rights.

The 57,000-member ACOG organization firmly supports abortion rights and declares on its website that “Abortion Is Healthcare.”

In a workshop on challenges to abortion, ACOG chief of staff Dorothea Calvano Lindquist said “we remain your steadfast partner in advocacy and guidance on all levels.”

Ivana S. Thompson, MD, an ob.gyn. at Vanderbilt University, Nashville, Tenn., explained in a presentation that Roe v. Wade established a framework for regulations around abortion; they may not be regulated during the first trimester, but states may impose rules in the second semester that are related to health. “And then in the third trimester, once the fetus reaches viability, the state may regulate abortions or even prohibit them entirely, so long as there are exceptions for medical emergencies,” she said.

The Supreme Court ruling in the 1992 case of Planned Parenthood v. Casey did away with the trimester framework, Dr. Thompson said, and declared that abortion regulations could not place an “undue burden” on women.

This change allowed laws that “are purposely designed to trap providers and clinics and to restrict their ability to provide abortions, not due to health concerns but really just to prevent pregnant people from accessing care,” she said.

In 2018, Mississippi passed a law – which never went into effect and is now challenged before the Supreme Court – that makes most abortions illegal after 15 weeks. And in September 2021, a Texas law went into effect that outlaws abortions after a fetal heartbeat is detected.

What happens if Roe is overturned and laws that ban or severely limit abortion go into effect in states across the country? In Nashville, Dr. Thompson said, patients will have to travel to Illinois – more than 300 miles away – to reach the nearest abortion clinic.

“When I think about my own clinical practice over the last year, [if the law were in place] I would not have been able to offer an abortion to a developmentally delayed, nonverbal patient who was raped by her brother,” she said. “I would not have been able to offer an abortion to the service person who was sexually assaulted by a coworker in the field. I would not have been able to offer an abortion to a person with a pregnancy complicated by a hypoplastic left heart, congenital diaphragmatic hernias with the stomach in the thorax, an unformed lumbar spine, and other anomalies.”

Bhavik Kumar, MD, a family medicine physician and medical director for primary and trans care at Planned Parenthood Gulf Coast in Houston, said the effects of the new law in Texas are already apparent. As he told ABC News last fall, he used to perform 20-30 abortions per day, but the number dwindled immediately the day the law went into effect.

At the ACOG presentation, Dr. Kumar highlighted a March 2022 research brief that reported that abortions in Texas fell by half in the month after the law was implemented compared with the previous year. And the average number of abortions performed on Texans who left the state grew by more than 10-fold from the period of September-December 2019 (514) to September-December 2021 (5,574).

Once the law went into effect, Dr. Kumar said, “we began to see longer waiting times at clinics in nearby states, wait times that started out as short as a day go to an average of 2-3 weeks to get an initial appointment. And some of these states also have mandatory delays of up to 72 hours.”

Dr. Kumar added that he’s “heard from emergency-room physicians and nurses who call and ask me what they can and cannot say when providing care for pregnant people in Texas and how they should be counseling their patients who may need emergency or urgent care after returning to Texas.”

Dr. Brandi cautioned colleagues that even ob.gyns. who don’t perform abortions will still be affected by the overturning of Roe. In some states, they’ll have to understand the rules about treating women with early ruptured membranes when cardiac motion is detected or with atopic pregnancies with cardiac activity at risk of potential tubal rupture.

The speakers urged colleagues to take action at the ballot box and their own clinics to protect patients. “While the recent leak is a truly scary moment for our country and for our practices, I’m hopeful that it will help galvanize our communities,” Dr. Brandi said. Regardless of where you live, regardless of where you practice, this ruling impacts all ob.gyns., everyone in this room. Each of us needs to go home after this conference and figure out what you are going to do to make sure that our patients can still get the care that they need.”

A recent article on Medscape entitled “Online Reviews Most Important Factor in Choosing a Doctor: Survey” really got me thinking about my online presence. According to the results of a new Press Ganey survey, online reviews and star ratings are the most important factor for consumers when choosing a new health care provider, even more so than the recommendation of another doctor. Almost 85% of the survey respondents said they wouldn’t make an appointment with a referred provider if they had a rating of less than 4 stars.

To be honest, I’ve rarely thought about my ratings or online reviews, and I almost never enter my own name into a web browser to see what might emerge. I don’t use most popular social media apps, I don’t have a professional website, and I was completely late in joining LinkedIn. After considering the Press Ganey survey results, though, I’m wondering how many patients (or potential patients) have found me online. And what exactly did they see?

So, I just searched online for my ratings and reviews. There weren’t many direct hits (although I’m not sure if that is a good thing or not). One of the results listed me as a “Fibromyalgia Doctor” at www.lymeforums.org. To be clear, I’m a locum tenens infectious diseases provider with a focus on inpatient consultations and teaching. I couldn’t find any reviews for myself on WebMD, but I had one rating on the Healthgrades website – I was pleased to see someone gave me 5 stars (though there weren’t any comments) until I realized the site listed my address at an ob.gyn. office; I’m not even sure if that rating was meant for me.

Use of the Internet to assess my qualities as a physician is clearly limited, and much of the online information about my specialty and practice sites is completely inaccurate. Yet, according to the Press Ganey survey, the average consumer uses three different websites and reads more than five online reviews before making a provider decision. Once they’ve seen a provider, though, patients rank practice customer service and communication as more important than “bedside manner” when considering a 5-star review. So, it appears that many physician reviews and ratings probably reflect the performance of the office staff, not the provider.

Given the few hits that I encountered when searching my own name, I’m not convinced I need to do anything differently about my online presence; essentially, I don’t really have one. However, there were certainly a lot of other physicians with the same last name as mine who did have impressive numbers of reviews and ratings. One doctor of cosmetic surgery had more than 200 reviews on multiple sites; almost all were positive, but a few patients rated him at 1 or 2 (out of 5) stars, suggesting that patients should find a new surgeon. What does one do about those outliers?

Medicine is indeed a business and patients behave as consumers when searching the web for a health care provider. Another survey has suggested that just one negative review may cause a business to risk losing 22% of its customers, and that multiple bad ratings are even worse – nearly 60% of customers will avoid a business with three or more negative online reviews.

A few years ago, The Washington Post published an article about doctors who were fighting back against bad reviews. Unfortunately, while trying to directly combat inaccuracies, some providers divulged sensitive patient information and suffered the consequences of HIPAA violations. Many legal experts suggest that, in most cases, physicians should restrain from responding publicly to negative online reviews, however tempting it may be to react.

If a negative review is attributed to a specific patient, some lawyers recommend contacting them privately by phone to address their concerns; this may clear the air enough to result in a withdrawal of the negative review or rating. Flagging and reporting fake or unsubstantiated negative reviews (or reviews that violate the Terms of Service of a specific platform) can be done. Consultation with an Internet defamation attorney might be helpful in some circumstances, though hopefully, legal action such as a lawsuit or a cease-and-desist letter can be avoided.

For physicians who do maintain an online presence, engaging with an online reputation management service can help suppress fake or negative reviews while offering strategies for building a better reputation. As for me, I think that I’m grateful my name hasn’t attracted a lot of attention at physician ranking and review sites. I guess we’ll see if it stays that way.

Dr. Devlin is president of Locum Infectious Disease Services, and an independent contractor for Weatherby Healthcare. She has disclosed no relevant financial relationships. A version of this article first appeared on Medscape.com.

A recent article on Medscape entitled “Online Reviews Most Important Factor in Choosing a Doctor: Survey” really got me thinking about my online presence. According to the results of a new Press Ganey survey, online reviews and star ratings are the most important factor for consumers when choosing a new health care provider, even more so than the recommendation of another doctor. Almost 85% of the survey respondents said they wouldn’t make an appointment with a referred provider if they had a rating of less than 4 stars.

To be honest, I’ve rarely thought about my ratings or online reviews, and I almost never enter my own name into a web browser to see what might emerge. I don’t use most popular social media apps, I don’t have a professional website, and I was completely late in joining LinkedIn. After considering the Press Ganey survey results, though, I’m wondering how many patients (or potential patients) have found me online. And what exactly did they see?

So, I just searched online for my ratings and reviews. There weren’t many direct hits (although I’m not sure if that is a good thing or not). One of the results listed me as a “Fibromyalgia Doctor” at www.lymeforums.org. To be clear, I’m a locum tenens infectious diseases provider with a focus on inpatient consultations and teaching. I couldn’t find any reviews for myself on WebMD, but I had one rating on the Healthgrades website – I was pleased to see someone gave me 5 stars (though there weren’t any comments) until I realized the site listed my address at an ob.gyn. office; I’m not even sure if that rating was meant for me.

Use of the Internet to assess my qualities as a physician is clearly limited, and much of the online information about my specialty and practice sites is completely inaccurate. Yet, according to the Press Ganey survey, the average consumer uses three different websites and reads more than five online reviews before making a provider decision. Once they’ve seen a provider, though, patients rank practice customer service and communication as more important than “bedside manner” when considering a 5-star review. So, it appears that many physician reviews and ratings probably reflect the performance of the office staff, not the provider.

Given the few hits that I encountered when searching my own name, I’m not convinced I need to do anything differently about my online presence; essentially, I don’t really have one. However, there were certainly a lot of other physicians with the same last name as mine who did have impressive numbers of reviews and ratings. One doctor of cosmetic surgery had more than 200 reviews on multiple sites; almost all were positive, but a few patients rated him at 1 or 2 (out of 5) stars, suggesting that patients should find a new surgeon. What does one do about those outliers?

Medicine is indeed a business and patients behave as consumers when searching the web for a health care provider. Another survey has suggested that just one negative review may cause a business to risk losing 22% of its customers, and that multiple bad ratings are even worse – nearly 60% of customers will avoid a business with three or more negative online reviews.

A few years ago, The Washington Post published an article about doctors who were fighting back against bad reviews. Unfortunately, while trying to directly combat inaccuracies, some providers divulged sensitive patient information and suffered the consequences of HIPAA violations. Many legal experts suggest that, in most cases, physicians should restrain from responding publicly to negative online reviews, however tempting it may be to react.

If a negative review is attributed to a specific patient, some lawyers recommend contacting them privately by phone to address their concerns; this may clear the air enough to result in a withdrawal of the negative review or rating. Flagging and reporting fake or unsubstantiated negative reviews (or reviews that violate the Terms of Service of a specific platform) can be done. Consultation with an Internet defamation attorney might be helpful in some circumstances, though hopefully, legal action such as a lawsuit or a cease-and-desist letter can be avoided.

For physicians who do maintain an online presence, engaging with an online reputation management service can help suppress fake or negative reviews while offering strategies for building a better reputation. As for me, I think that I’m grateful my name hasn’t attracted a lot of attention at physician ranking and review sites. I guess we’ll see if it stays that way.

Dr. Devlin is president of Locum Infectious Disease Services, and an independent contractor for Weatherby Healthcare. She has disclosed no relevant financial relationships. A version of this article first appeared on Medscape.com.

A recent article on Medscape entitled “Online Reviews Most Important Factor in Choosing a Doctor: Survey” really got me thinking about my online presence. According to the results of a new Press Ganey survey, online reviews and star ratings are the most important factor for consumers when choosing a new health care provider, even more so than the recommendation of another doctor. Almost 85% of the survey respondents said they wouldn’t make an appointment with a referred provider if they had a rating of less than 4 stars.

To be honest, I’ve rarely thought about my ratings or online reviews, and I almost never enter my own name into a web browser to see what might emerge. I don’t use most popular social media apps, I don’t have a professional website, and I was completely late in joining LinkedIn. After considering the Press Ganey survey results, though, I’m wondering how many patients (or potential patients) have found me online. And what exactly did they see?

So, I just searched online for my ratings and reviews. There weren’t many direct hits (although I’m not sure if that is a good thing or not). One of the results listed me as a “Fibromyalgia Doctor” at www.lymeforums.org. To be clear, I’m a locum tenens infectious diseases provider with a focus on inpatient consultations and teaching. I couldn’t find any reviews for myself on WebMD, but I had one rating on the Healthgrades website – I was pleased to see someone gave me 5 stars (though there weren’t any comments) until I realized the site listed my address at an ob.gyn. office; I’m not even sure if that rating was meant for me.

Use of the Internet to assess my qualities as a physician is clearly limited, and much of the online information about my specialty and practice sites is completely inaccurate. Yet, according to the Press Ganey survey, the average consumer uses three different websites and reads more than five online reviews before making a provider decision. Once they’ve seen a provider, though, patients rank practice customer service and communication as more important than “bedside manner” when considering a 5-star review. So, it appears that many physician reviews and ratings probably reflect the performance of the office staff, not the provider.

Given the few hits that I encountered when searching my own name, I’m not convinced I need to do anything differently about my online presence; essentially, I don’t really have one. However, there were certainly a lot of other physicians with the same last name as mine who did have impressive numbers of reviews and ratings. One doctor of cosmetic surgery had more than 200 reviews on multiple sites; almost all were positive, but a few patients rated him at 1 or 2 (out of 5) stars, suggesting that patients should find a new surgeon. What does one do about those outliers?

Medicine is indeed a business and patients behave as consumers when searching the web for a health care provider. Another survey has suggested that just one negative review may cause a business to risk losing 22% of its customers, and that multiple bad ratings are even worse – nearly 60% of customers will avoid a business with three or more negative online reviews.

A few years ago, The Washington Post published an article about doctors who were fighting back against bad reviews. Unfortunately, while trying to directly combat inaccuracies, some providers divulged sensitive patient information and suffered the consequences of HIPAA violations. Many legal experts suggest that, in most cases, physicians should restrain from responding publicly to negative online reviews, however tempting it may be to react.

If a negative review is attributed to a specific patient, some lawyers recommend contacting them privately by phone to address their concerns; this may clear the air enough to result in a withdrawal of the negative review or rating. Flagging and reporting fake or unsubstantiated negative reviews (or reviews that violate the Terms of Service of a specific platform) can be done. Consultation with an Internet defamation attorney might be helpful in some circumstances, though hopefully, legal action such as a lawsuit or a cease-and-desist letter can be avoided.

For physicians who do maintain an online presence, engaging with an online reputation management service can help suppress fake or negative reviews while offering strategies for building a better reputation. As for me, I think that I’m grateful my name hasn’t attracted a lot of attention at physician ranking and review sites. I guess we’ll see if it stays that way.

Dr. Devlin is president of Locum Infectious Disease Services, and an independent contractor for Weatherby Healthcare. She has disclosed no relevant financial relationships. A version of this article first appeared on Medscape.com.

New data present further evidence that SARS-CoV-2 infection can settle in the gastrointestinal tract and that it can persist long after the infection has cleared the lungs.

Infection of the GI tract may figure prominently in long COVID, the study authors suggested.

Led by Aravind Natarajan, PhD, with the departments of genetics and medicine at Stanford (Calif.) University, they analyzed fecal RNA shedding up to 10 months after a COVID-19 diagnosis in 673 stool samples from 113 patients with mild to moderate disease.

They found that, in the week after diagnosis, COVID RNA remnants were present in the stool of approximately half (49.2%) of the patients. Seven months later, about 4% of them shed fecal viral RNA.

The authors noted that there was no ongoing SARS-CoV-2 RNA shedding in respiratory samples of patients at the 4-month mark.

Using self-reported symptoms regularly collected by questionnaire, they also found a correlation of long-term fecal shedding of SARS-CoV-2 RNA with abdominal pain, nausea, and vomiting.

The findings were published online in Med.
 

Implications of long-term viral shedding

Previous studies have found SARS-CoV-2 RNA in respiratory and fecal samples and have documented viral replication in lung and intestinal tissue. But before the current study, little had been known about long-term shedding, especially in those who have mild COVID. Most studies of viral shedding have been with severe COVID cases.

The authors noted that most studies of this kind are cross-sectional. The few other longitudinal studies have focused on early time points just after diagnosis.

Senior author Ami S. Bhatt, MD, associate professor in the departments of medicine and hematology at Stanford University, said in an interview that, though the viral genetic material in the feces lingers, on the basis of available evidence, it is highly unlikely to be contagious in most cases.

She said that understanding the dynamics of fecal shedding of SARS-CoV-2 genetic material will help interpret wastewater-based studies that are trying to determine population prevalence of the virus.

“While we don’t know the exact clinical importance of the longer-term shedding of SARS-CoV-2 in individuals with COVID-19, some have speculated that those who have long-term shedding of SARS-CoV-2 may have ongoing infections that might benefit from treatment,” she said.

“Our data support the idea that the long-term GI-related symptoms in some people might be the consequence of an ongoing infection in the GI tract, even after the respiratory infection has cleared,” Dr. Bhatt said.

“Alternatively, the presence of ongoing viral genetic material in the gut might be a trigger for the immune system to continually be active against the virus, and our immune system reaction may be the reason for long COVID–type symptoms,” she added. “This area is ripe for additional studies.”

Dr. Bhatt and colleagues will continue studying viral shedding in fecal samples as part of the nationwide RECOVER Initiative.

When reached for comment, David A. Johnson, MD, professor of medicine and chief of gastroenterology, Eastern Virginia Medical School, Norfolk, said in an interview that previous studies have indicated that the virus may be detected in the stool for a month or more and for about 2 weeks on average. Whether the virus is infectious has been in question.

But it’s not so much that the virus is infectious in the GI tract and causing symptoms, he said. Rather, there are biomic changes related to COVID, including a loss of diversity in the gut bacteria, which disrupts the balance.

“This may actually in some way predispose some patients to impaired clearance of their symptoms,” Dr. Johnson explained. “There seems to be a growing recognition that this entity called long-haul COVID may be related to specific bacterial disruptions, and the more rapidly you can resolve these disruptions, the less likely you are to continue with long-haul symptoms.”

He said that, among people who have mild COVID, the virus typically clears and gut bacteria return to normal. With severe or persistent illness, gut dysbiosis persists, he said.

“People need to be aware that the GI tract is involved in a sizable percent of patients with COVID,” Dr. Johnson said. “The GI-tract testing may reflect that the virus is there, but persistence of the detectable test positivity is very unlikely to reflect active virus.”

The authors noted that they collected only six samples from the participants over the 10-month study period.

“Follow-up studies with more frequent sampling, especially in the first 2 months after diagnosis, may help build a more nuanced model of decline of fecal viral RNA concentration over time,” they wrote.

The study was supported by a Stanford ChemH-IMA grant, fellowships from the AACR and the National Science Foundation, and the National Institutes of Health. The authors and Dr. Johnson reported no relevant financial relationships. Dr. Johnson is a regular contributor to this news organization.

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

New data present further evidence that SARS-CoV-2 infection can settle in the gastrointestinal tract and that it can persist long after the infection has cleared the lungs.

Infection of the GI tract may figure prominently in long COVID, the study authors suggested.

Led by Aravind Natarajan, PhD, with the departments of genetics and medicine at Stanford (Calif.) University, they analyzed fecal RNA shedding up to 10 months after a COVID-19 diagnosis in 673 stool samples from 113 patients with mild to moderate disease.

They found that, in the week after diagnosis, COVID RNA remnants were present in the stool of approximately half (49.2%) of the patients. Seven months later, about 4% of them shed fecal viral RNA.

The authors noted that there was no ongoing SARS-CoV-2 RNA shedding in respiratory samples of patients at the 4-month mark.

Using self-reported symptoms regularly collected by questionnaire, they also found a correlation of long-term fecal shedding of SARS-CoV-2 RNA with abdominal pain, nausea, and vomiting.

The findings were published online in Med.
 

Implications of long-term viral shedding

Previous studies have found SARS-CoV-2 RNA in respiratory and fecal samples and have documented viral replication in lung and intestinal tissue. But before the current study, little had been known about long-term shedding, especially in those who have mild COVID. Most studies of viral shedding have been with severe COVID cases.

The authors noted that most studies of this kind are cross-sectional. The few other longitudinal studies have focused on early time points just after diagnosis.

Senior author Ami S. Bhatt, MD, associate professor in the departments of medicine and hematology at Stanford University, said in an interview that, though the viral genetic material in the feces lingers, on the basis of available evidence, it is highly unlikely to be contagious in most cases.

She said that understanding the dynamics of fecal shedding of SARS-CoV-2 genetic material will help interpret wastewater-based studies that are trying to determine population prevalence of the virus.

“While we don’t know the exact clinical importance of the longer-term shedding of SARS-CoV-2 in individuals with COVID-19, some have speculated that those who have long-term shedding of SARS-CoV-2 may have ongoing infections that might benefit from treatment,” she said.

“Our data support the idea that the long-term GI-related symptoms in some people might be the consequence of an ongoing infection in the GI tract, even after the respiratory infection has cleared,” Dr. Bhatt said.

“Alternatively, the presence of ongoing viral genetic material in the gut might be a trigger for the immune system to continually be active against the virus, and our immune system reaction may be the reason for long COVID–type symptoms,” she added. “This area is ripe for additional studies.”

Dr. Bhatt and colleagues will continue studying viral shedding in fecal samples as part of the nationwide RECOVER Initiative.

When reached for comment, David A. Johnson, MD, professor of medicine and chief of gastroenterology, Eastern Virginia Medical School, Norfolk, said in an interview that previous studies have indicated that the virus may be detected in the stool for a month or more and for about 2 weeks on average. Whether the virus is infectious has been in question.

But it’s not so much that the virus is infectious in the GI tract and causing symptoms, he said. Rather, there are biomic changes related to COVID, including a loss of diversity in the gut bacteria, which disrupts the balance.

“This may actually in some way predispose some patients to impaired clearance of their symptoms,” Dr. Johnson explained. “There seems to be a growing recognition that this entity called long-haul COVID may be related to specific bacterial disruptions, and the more rapidly you can resolve these disruptions, the less likely you are to continue with long-haul symptoms.”

He said that, among people who have mild COVID, the virus typically clears and gut bacteria return to normal. With severe or persistent illness, gut dysbiosis persists, he said.

“People need to be aware that the GI tract is involved in a sizable percent of patients with COVID,” Dr. Johnson said. “The GI-tract testing may reflect that the virus is there, but persistence of the detectable test positivity is very unlikely to reflect active virus.”

The authors noted that they collected only six samples from the participants over the 10-month study period.

“Follow-up studies with more frequent sampling, especially in the first 2 months after diagnosis, may help build a more nuanced model of decline of fecal viral RNA concentration over time,” they wrote.

The study was supported by a Stanford ChemH-IMA grant, fellowships from the AACR and the National Science Foundation, and the National Institutes of Health. The authors and Dr. Johnson reported no relevant financial relationships. Dr. Johnson is a regular contributor to this news organization.

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

New data present further evidence that SARS-CoV-2 infection can settle in the gastrointestinal tract and that it can persist long after the infection has cleared the lungs.

Infection of the GI tract may figure prominently in long COVID, the study authors suggested.

Led by Aravind Natarajan, PhD, with the departments of genetics and medicine at Stanford (Calif.) University, they analyzed fecal RNA shedding up to 10 months after a COVID-19 diagnosis in 673 stool samples from 113 patients with mild to moderate disease.

They found that, in the week after diagnosis, COVID RNA remnants were present in the stool of approximately half (49.2%) of the patients. Seven months later, about 4% of them shed fecal viral RNA.

The authors noted that there was no ongoing SARS-CoV-2 RNA shedding in respiratory samples of patients at the 4-month mark.

Using self-reported symptoms regularly collected by questionnaire, they also found a correlation of long-term fecal shedding of SARS-CoV-2 RNA with abdominal pain, nausea, and vomiting.

The findings were published online in Med.
 

Implications of long-term viral shedding

Previous studies have found SARS-CoV-2 RNA in respiratory and fecal samples and have documented viral replication in lung and intestinal tissue. But before the current study, little had been known about long-term shedding, especially in those who have mild COVID. Most studies of viral shedding have been with severe COVID cases.

The authors noted that most studies of this kind are cross-sectional. The few other longitudinal studies have focused on early time points just after diagnosis.

Senior author Ami S. Bhatt, MD, associate professor in the departments of medicine and hematology at Stanford University, said in an interview that, though the viral genetic material in the feces lingers, on the basis of available evidence, it is highly unlikely to be contagious in most cases.

She said that understanding the dynamics of fecal shedding of SARS-CoV-2 genetic material will help interpret wastewater-based studies that are trying to determine population prevalence of the virus.

“While we don’t know the exact clinical importance of the longer-term shedding of SARS-CoV-2 in individuals with COVID-19, some have speculated that those who have long-term shedding of SARS-CoV-2 may have ongoing infections that might benefit from treatment,” she said.

“Our data support the idea that the long-term GI-related symptoms in some people might be the consequence of an ongoing infection in the GI tract, even after the respiratory infection has cleared,” Dr. Bhatt said.

“Alternatively, the presence of ongoing viral genetic material in the gut might be a trigger for the immune system to continually be active against the virus, and our immune system reaction may be the reason for long COVID–type symptoms,” she added. “This area is ripe for additional studies.”

Dr. Bhatt and colleagues will continue studying viral shedding in fecal samples as part of the nationwide RECOVER Initiative.

When reached for comment, David A. Johnson, MD, professor of medicine and chief of gastroenterology, Eastern Virginia Medical School, Norfolk, said in an interview that previous studies have indicated that the virus may be detected in the stool for a month or more and for about 2 weeks on average. Whether the virus is infectious has been in question.

But it’s not so much that the virus is infectious in the GI tract and causing symptoms, he said. Rather, there are biomic changes related to COVID, including a loss of diversity in the gut bacteria, which disrupts the balance.

“This may actually in some way predispose some patients to impaired clearance of their symptoms,” Dr. Johnson explained. “There seems to be a growing recognition that this entity called long-haul COVID may be related to specific bacterial disruptions, and the more rapidly you can resolve these disruptions, the less likely you are to continue with long-haul symptoms.”

He said that, among people who have mild COVID, the virus typically clears and gut bacteria return to normal. With severe or persistent illness, gut dysbiosis persists, he said.

“People need to be aware that the GI tract is involved in a sizable percent of patients with COVID,” Dr. Johnson said. “The GI-tract testing may reflect that the virus is there, but persistence of the detectable test positivity is very unlikely to reflect active virus.”

The authors noted that they collected only six samples from the participants over the 10-month study period.

“Follow-up studies with more frequent sampling, especially in the first 2 months after diagnosis, may help build a more nuanced model of decline of fecal viral RNA concentration over time,” they wrote.

The study was supported by a Stanford ChemH-IMA grant, fellowships from the AACR and the National Science Foundation, and the National Institutes of Health. The authors and Dr. Johnson reported no relevant financial relationships. Dr. Johnson is a regular contributor to this news organization.

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

Sensitivity to specific common odors correlates with symptoms of depression or anxiety, new research shows.

A study of more than 400 participants showed that symptoms of anxiety were associated with heightened awareness of floral scents or kitchen smells, while depression was linked to increased awareness of social odors including “good” and “bad” smells of other people.

“The assessment of meta-cognitive abilities may be a useful tool in assessing depressive, anxiety, and social anxiety symptoms,” study investigator Cinzia Cecchetto, PhD student, postdoctoral researcher, department of general psychology, University of Padua, Italy, told this news organization.

The findings were published online in the Journal of Affective Disorders.
 

Smell perception

Previous studies have shown a strong relationship between reduced odor detection and symptoms of depression, with less clear evidence of a link between olfactory perception and symptoms of anxiety, Dr. Cecchetto said.

However, few studies have investigated to what extent individuals with symptoms of anxiety or depression are aware of, or pay attention to, odors in their environment, she added.

The study included 429 healthy participants (76.9% women, aged 18-45 years) recruited through social media. The age cut-off was 45 because evidence shows that olfactory perceptions start to decline at that time of life, Dr. Cecchetto noted.

Participants completed psychological questionnaires, including the Beck Depression Inventory-II, the Beck Anxiety Inventory, and the Liebowitz Social Anxiety Scale.

They also completed olfactory questionnaires, including the Odor Awareness Scale for evaluating the degree to which an individual focuses on olfactory stimuli such as that from food; the Affective Impact of Odor scale for assessing how odors affect liking and memory for people, places, and things; the Vividness of Olfactory Imagery Questionnaire, which examines ability to form olfactory images such as fragrances from a garden; and the Social Odor Scale, which assesses awareness of social odors such as sweat in everyday interactions.

Results showed that general anxiety symptoms were a significant predictor of higher levels of awareness of common odors.

The investigators note that this finding is similar to that from previous research in which patients with panic disorder reported higher olfactory sensitivity, reactivity, and awareness of odors compared with a control group. It is also in line with clinical features of anxiety, in which individuals maintain heightened vigilance, hyperarousal, and action readiness to respond to sudden danger.

Individuals with social anxiety symptoms reported being less attentive toward social odors.

This finding is at odds with the tendency of individuals with social anxiety to continuously monitor the environment for signs of potential negative evaluations by others.

In addition, it contradicts findings from previous studies showing that social anxiety is associated with enhanced startle reactivity and faster processing of social odor anxiety signals, compared with healthy controls, the investigators note.
 

Clinical implications?

“A possible explanation for these conflicting findings could be that in our study we didn’t present real odors to participants, but asked them if they usually pay attention to these odors,” lead author Elisa Dal Bò, PhD student, Padova Neuroscience Center and department of general psychology, University of Padua, told this news organization.

“Indeed, other studies have shown individuals with social anxiety focus their attention more on themselves and avoid paying attention to other people during social interactions,” she added.

Depressive symptoms were a significant predictor of higher social odor awareness and lower affective responses to odors. Some past studies showed that “depression is characterized by an increased attention to social stimuli induced by the fear of social rejection,” Ms. Dal Bò noted.

The current findings showing that depression symptoms were associated with higher social odor awareness while social anxiety symptoms were associated with lower social odor awareness are at odds with what was hypothesized, Dr. Cecchetto said.

“Actually we were expecting the opposite pattern, and that’s why it’s important to investigate more deeply these meta-cognitive abilities,” she said.

Neither depressive nor anxiety symptoms were significant predictors of olfactory imagery.

Female respondents were more attentive to, and aware of, odors than men. This finding is “quite common in the literature,” Dr. Cecchetto noted.

Although preliminary, the results could eventually have clinical implications, the investigators note. Olfactory metacognitive abilities, obtained through questionnaires, could be used to assess potential olfactory impairment, which could signal future risk for psychiatric symptoms.

However, the relatively young age of participants in the study and the prevalence of women limits the generalization of the findings, the researchers note. In addition, clinical symptoms were self-reported and were not verified by health care professionals.
 

‘Not enough evidence’

Commenting for this news organization, Philip R. Muskin, MD, professor of clinical psychiatry, Columbia University Medical Center, New York, said he did not find the results surprising.

For example, that individuals with social anxiety are not particularly aware of others’ smell “makes perfect sense” because “people with social anxiety disorder are concerned with themselves,” he said.

Dr. Muskin, who has an interest in and has written about olfactory function, was not involved with the research.

He noted several study limitations. First, participants just reported on their smell awareness, but “having people actually smell stuff might have been more interesting.”

In addition, the study population was relatively young, mostly women, and women’s olfactory sensitivity changes throughout the menstrual cycle, Dr. Muskin said.

“We don’t know where these women are in their cycles when they’re reporting their awareness of odors,” he said. “It would be good to know if the women were all in the luteal phase or were premenstrual because that might correlate with their anxiety or depressive symptoms.”

Asking a patient about smell awareness may provide some insight when assessing for symptoms of depression, along with obtaining details on such things as sleep, Dr. Muskin noted.

However, he does not think the new findings are enough to include olfactory awareness in the interview process. “It’s not enough evidence to use as a clinical tool for diagnosis, and I don’t see this is clinically useful yet.”

The study was supported by the European Commission Horizon 2020 research and innovation program and the Austrian Science Fund. The investigators and Dr. Muskin have reported no relevant financial relationships.

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

Sensitivity to specific common odors correlates with symptoms of depression or anxiety, new research shows.

A study of more than 400 participants showed that symptoms of anxiety were associated with heightened awareness of floral scents or kitchen smells, while depression was linked to increased awareness of social odors including “good” and “bad” smells of other people.

“The assessment of meta-cognitive abilities may be a useful tool in assessing depressive, anxiety, and social anxiety symptoms,” study investigator Cinzia Cecchetto, PhD student, postdoctoral researcher, department of general psychology, University of Padua, Italy, told this news organization.

The findings were published online in the Journal of Affective Disorders.
 

Smell perception

Previous studies have shown a strong relationship between reduced odor detection and symptoms of depression, with less clear evidence of a link between olfactory perception and symptoms of anxiety, Dr. Cecchetto said.

However, few studies have investigated to what extent individuals with symptoms of anxiety or depression are aware of, or pay attention to, odors in their environment, she added.

The study included 429 healthy participants (76.9% women, aged 18-45 years) recruited through social media. The age cut-off was 45 because evidence shows that olfactory perceptions start to decline at that time of life, Dr. Cecchetto noted.

Participants completed psychological questionnaires, including the Beck Depression Inventory-II, the Beck Anxiety Inventory, and the Liebowitz Social Anxiety Scale.

They also completed olfactory questionnaires, including the Odor Awareness Scale for evaluating the degree to which an individual focuses on olfactory stimuli such as that from food; the Affective Impact of Odor scale for assessing how odors affect liking and memory for people, places, and things; the Vividness of Olfactory Imagery Questionnaire, which examines ability to form olfactory images such as fragrances from a garden; and the Social Odor Scale, which assesses awareness of social odors such as sweat in everyday interactions.

Results showed that general anxiety symptoms were a significant predictor of higher levels of awareness of common odors.

The investigators note that this finding is similar to that from previous research in which patients with panic disorder reported higher olfactory sensitivity, reactivity, and awareness of odors compared with a control group. It is also in line with clinical features of anxiety, in which individuals maintain heightened vigilance, hyperarousal, and action readiness to respond to sudden danger.

Individuals with social anxiety symptoms reported being less attentive toward social odors.

This finding is at odds with the tendency of individuals with social anxiety to continuously monitor the environment for signs of potential negative evaluations by others.

In addition, it contradicts findings from previous studies showing that social anxiety is associated with enhanced startle reactivity and faster processing of social odor anxiety signals, compared with healthy controls, the investigators note.
 

Clinical implications?

“A possible explanation for these conflicting findings could be that in our study we didn’t present real odors to participants, but asked them if they usually pay attention to these odors,” lead author Elisa Dal Bò, PhD student, Padova Neuroscience Center and department of general psychology, University of Padua, told this news organization.

“Indeed, other studies have shown individuals with social anxiety focus their attention more on themselves and avoid paying attention to other people during social interactions,” she added.

Depressive symptoms were a significant predictor of higher social odor awareness and lower affective responses to odors. Some past studies showed that “depression is characterized by an increased attention to social stimuli induced by the fear of social rejection,” Ms. Dal Bò noted.

The current findings showing that depression symptoms were associated with higher social odor awareness while social anxiety symptoms were associated with lower social odor awareness are at odds with what was hypothesized, Dr. Cecchetto said.

“Actually we were expecting the opposite pattern, and that’s why it’s important to investigate more deeply these meta-cognitive abilities,” she said.

Neither depressive nor anxiety symptoms were significant predictors of olfactory imagery.

Female respondents were more attentive to, and aware of, odors than men. This finding is “quite common in the literature,” Dr. Cecchetto noted.

Although preliminary, the results could eventually have clinical implications, the investigators note. Olfactory metacognitive abilities, obtained through questionnaires, could be used to assess potential olfactory impairment, which could signal future risk for psychiatric symptoms.

However, the relatively young age of participants in the study and the prevalence of women limits the generalization of the findings, the researchers note. In addition, clinical symptoms were self-reported and were not verified by health care professionals.
 

‘Not enough evidence’

Commenting for this news organization, Philip R. Muskin, MD, professor of clinical psychiatry, Columbia University Medical Center, New York, said he did not find the results surprising.

For example, that individuals with social anxiety are not particularly aware of others’ smell “makes perfect sense” because “people with social anxiety disorder are concerned with themselves,” he said.

Dr. Muskin, who has an interest in and has written about olfactory function, was not involved with the research.

He noted several study limitations. First, participants just reported on their smell awareness, but “having people actually smell stuff might have been more interesting.”

In addition, the study population was relatively young, mostly women, and women’s olfactory sensitivity changes throughout the menstrual cycle, Dr. Muskin said.

“We don’t know where these women are in their cycles when they’re reporting their awareness of odors,” he said. “It would be good to know if the women were all in the luteal phase or were premenstrual because that might correlate with their anxiety or depressive symptoms.”

Asking a patient about smell awareness may provide some insight when assessing for symptoms of depression, along with obtaining details on such things as sleep, Dr. Muskin noted.

However, he does not think the new findings are enough to include olfactory awareness in the interview process. “It’s not enough evidence to use as a clinical tool for diagnosis, and I don’t see this is clinically useful yet.”

The study was supported by the European Commission Horizon 2020 research and innovation program and the Austrian Science Fund. The investigators and Dr. Muskin have reported no relevant financial relationships.

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

Sensitivity to specific common odors correlates with symptoms of depression or anxiety, new research shows.

A study of more than 400 participants showed that symptoms of anxiety were associated with heightened awareness of floral scents or kitchen smells, while depression was linked to increased awareness of social odors including “good” and “bad” smells of other people.

“The assessment of meta-cognitive abilities may be a useful tool in assessing depressive, anxiety, and social anxiety symptoms,” study investigator Cinzia Cecchetto, PhD student, postdoctoral researcher, department of general psychology, University of Padua, Italy, told this news organization.

The findings were published online in the Journal of Affective Disorders.
 

Smell perception

Previous studies have shown a strong relationship between reduced odor detection and symptoms of depression, with less clear evidence of a link between olfactory perception and symptoms of anxiety, Dr. Cecchetto said.

However, few studies have investigated to what extent individuals with symptoms of anxiety or depression are aware of, or pay attention to, odors in their environment, she added.

The study included 429 healthy participants (76.9% women, aged 18-45 years) recruited through social media. The age cut-off was 45 because evidence shows that olfactory perceptions start to decline at that time of life, Dr. Cecchetto noted.

Participants completed psychological questionnaires, including the Beck Depression Inventory-II, the Beck Anxiety Inventory, and the Liebowitz Social Anxiety Scale.

They also completed olfactory questionnaires, including the Odor Awareness Scale for evaluating the degree to which an individual focuses on olfactory stimuli such as that from food; the Affective Impact of Odor scale for assessing how odors affect liking and memory for people, places, and things; the Vividness of Olfactory Imagery Questionnaire, which examines ability to form olfactory images such as fragrances from a garden; and the Social Odor Scale, which assesses awareness of social odors such as sweat in everyday interactions.

Results showed that general anxiety symptoms were a significant predictor of higher levels of awareness of common odors.

The investigators note that this finding is similar to that from previous research in which patients with panic disorder reported higher olfactory sensitivity, reactivity, and awareness of odors compared with a control group. It is also in line with clinical features of anxiety, in which individuals maintain heightened vigilance, hyperarousal, and action readiness to respond to sudden danger.

Individuals with social anxiety symptoms reported being less attentive toward social odors.

This finding is at odds with the tendency of individuals with social anxiety to continuously monitor the environment for signs of potential negative evaluations by others.

In addition, it contradicts findings from previous studies showing that social anxiety is associated with enhanced startle reactivity and faster processing of social odor anxiety signals, compared with healthy controls, the investigators note.
 

Clinical implications?

“A possible explanation for these conflicting findings could be that in our study we didn’t present real odors to participants, but asked them if they usually pay attention to these odors,” lead author Elisa Dal Bò, PhD student, Padova Neuroscience Center and department of general psychology, University of Padua, told this news organization.

“Indeed, other studies have shown individuals with social anxiety focus their attention more on themselves and avoid paying attention to other people during social interactions,” she added.

Depressive symptoms were a significant predictor of higher social odor awareness and lower affective responses to odors. Some past studies showed that “depression is characterized by an increased attention to social stimuli induced by the fear of social rejection,” Ms. Dal Bò noted.

The current findings showing that depression symptoms were associated with higher social odor awareness while social anxiety symptoms were associated with lower social odor awareness are at odds with what was hypothesized, Dr. Cecchetto said.

“Actually we were expecting the opposite pattern, and that’s why it’s important to investigate more deeply these meta-cognitive abilities,” she said.

Neither depressive nor anxiety symptoms were significant predictors of olfactory imagery.

Female respondents were more attentive to, and aware of, odors than men. This finding is “quite common in the literature,” Dr. Cecchetto noted.

Although preliminary, the results could eventually have clinical implications, the investigators note. Olfactory metacognitive abilities, obtained through questionnaires, could be used to assess potential olfactory impairment, which could signal future risk for psychiatric symptoms.

However, the relatively young age of participants in the study and the prevalence of women limits the generalization of the findings, the researchers note. In addition, clinical symptoms were self-reported and were not verified by health care professionals.
 

‘Not enough evidence’

Commenting for this news organization, Philip R. Muskin, MD, professor of clinical psychiatry, Columbia University Medical Center, New York, said he did not find the results surprising.

For example, that individuals with social anxiety are not particularly aware of others’ smell “makes perfect sense” because “people with social anxiety disorder are concerned with themselves,” he said.

Dr. Muskin, who has an interest in and has written about olfactory function, was not involved with the research.

He noted several study limitations. First, participants just reported on their smell awareness, but “having people actually smell stuff might have been more interesting.”

In addition, the study population was relatively young, mostly women, and women’s olfactory sensitivity changes throughout the menstrual cycle, Dr. Muskin said.

“We don’t know where these women are in their cycles when they’re reporting their awareness of odors,” he said. “It would be good to know if the women were all in the luteal phase or were premenstrual because that might correlate with their anxiety or depressive symptoms.”

Asking a patient about smell awareness may provide some insight when assessing for symptoms of depression, along with obtaining details on such things as sleep, Dr. Muskin noted.

However, he does not think the new findings are enough to include olfactory awareness in the interview process. “It’s not enough evidence to use as a clinical tool for diagnosis, and I don’t see this is clinically useful yet.”

The study was supported by the European Commission Horizon 2020 research and innovation program and the Austrian Science Fund. The investigators and Dr. Muskin have reported no relevant financial relationships.

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

Cancer diagnosis is frightening, invasive, time-consuming, and expensive. And more than 1.6 million people get that cancer diagnosis every year in the United States. That’s a lot of biopsies and a lot of looking at cells under highly sensitive microscopes.

But imagine if detecting cancer in those samples was as simple as taking a whiff.

We know some animals – like dogs and mice – have very sensitive noses that can sniff out disease. Inspired by those studies, French scientists decided to explore whether ants – known for their olfactory prowess – could do the same.

“Using olfaction to detect diseases is not a novel idea,” says Baptiste Piqueret, PhD, a researcher at Sorbonne Paris Nord University and lead author of the study. “Knowing how well ants can learn and how they use olfaction, we tested the abilities of ants to learn and detect diseases.”

While this is still far away from real-life clinical use, it could one day lead to a cheaper, more accessible (if not a little weird) alternative for detecting cancer. What would this new diagnostic method look like?
 

Pavlov’s ant

Cancer cell metabolism produces volatile organic compounds (VOCs) – organic chemicals that smell and can serve as biomarkers for diagnosis.

To train the ants to target VOCs, the researchers placed breast cancer cells and healthy cells in a petri dish – but the cancer cells included a sugary treat. “We associated a reward to the smell of cancer,” Dr. Piqueret says.

It’s a technique scientists call classical, or Pavlovian, conditioning. A neutral stimulus (cancer smell) is associated with a second stimulus (food) that elicits a behavior. After doing this a few times, the ant learns that the first stimulus predicts the second, and it will seek out the odor hoping to find that food.

Once the training was complete, the researchers presented the ant with the learned odor and a novel one – this time without a reward. Sure enough, the ants spent more time investigating the learned odor than the novel one.

“If you are hungry and you smell the odor of fresh bread, you will enter the closest bakery,” says Dr. Piqueret. “This is the same mechanism the ants are using, as you learned that fresh bread odor equals food.”

Dogs can detect VOCs via the same technique but take months and hundreds of trials to condition, the researchers note. F. fusca ants learn fast, requiring only three training trials.
 

Why ants?

Ants communicate primarily through olfaction or scent, and this sophisticated “language” makes them very sensitive to odors.

“Since ants are already well-attuned to detecting different chemicals, this makes them ideal for scent recognition,” says Corrie Moreau, PhD, an evolutionary biologist and entomologist at Cornell University, Ithaca, N.Y.

In their tiny ant worlds, the little creatures use chemicals, called pheromones, to convey information to other members of their nest.

“There are alarm pheromones to signal an intruder, trail pheromones so an ant knows which way to walk to a food source, and colony-level odors that signal another ant is a member of the same colony,” Dr. Moreau says.

But on closer inspection, you won’t see a nose on an ant. They “smell” with their antennas.

“These specialized structures are covered with highly sensitive receptors to be able to discern even small chemical differences,” Dr. Moreau says.

There are over 14,000 species of ants and as far as scientists like Dr. Moreau know, all of them use chemical communication, though some are better than others at detecting compounds, such as those scientists are interested in using to detect disease.
 

Diagnostic ants: Realistic or a curiosity?

Whether or not the new research findings could lead to a real tool for diagnosing cancer is difficult to say, says Dr. Moreau. The study only focused on pure cancer cells in a lab and not those growing inside a human body.

Anna Wanda Komorowski, MD, a medical oncologist-hematologist at Northwell Health in New York, found the study interesting and was impressed with how the researchers trained the ants. But she notes more research would be needed to parse out things like how long the ants would remember their training, and how long they could be kept in a lab for testing.

One of the attractive aspects of the research is that if it worked it might be a cheaper alternative to normal lab practices for detecting cancer cells, and possibly useful in some low-income settings where labs do not have access to cell stain technologies used to detect cancer cells.

Another glitch with the study, notes Dr. Komorowski: “The cells we’d expose them to probably would not be the same cells as those used in the study. They exposed the ants to live cell cultures. Usually, we collect material from biopsy and drop it into formaldehyde, which has such a strong odor. So the lab protocol for cancer detection would have to be different. It could be kind of tricky.”

And while ants are cheaper than stains and dyes and formaldehyde, you’d have to hire someone to train the ants – there’d still be a human factor and related costs.

“It would take much more research to figure out cost, and how applicable and reproducible it would be,” Dr. Komorowski says.

And then there’s the question of whether the ants would do their cancer-detecting work in the lab only, or if direct patient interaction might lead to a diagnosis more swiftly.

Ant expert Dr. Moreau adds, “The human body emits many other odors, so the question is whether the ants would be able to ignore all the other scents and focus only on the target scent.”

“But these results are promising,” she continues. “I guess the question is whether a patient would be willing to have trained ants crawl all over their body looking for potential cancer cells.”

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

Cancer diagnosis is frightening, invasive, time-consuming, and expensive. And more than 1.6 million people get that cancer diagnosis every year in the United States. That’s a lot of biopsies and a lot of looking at cells under highly sensitive microscopes.

But imagine if detecting cancer in those samples was as simple as taking a whiff.

We know some animals – like dogs and mice – have very sensitive noses that can sniff out disease. Inspired by those studies, French scientists decided to explore whether ants – known for their olfactory prowess – could do the same.

“Using olfaction to detect diseases is not a novel idea,” says Baptiste Piqueret, PhD, a researcher at Sorbonne Paris Nord University and lead author of the study. “Knowing how well ants can learn and how they use olfaction, we tested the abilities of ants to learn and detect diseases.”

While this is still far away from real-life clinical use, it could one day lead to a cheaper, more accessible (if not a little weird) alternative for detecting cancer. What would this new diagnostic method look like?
 

Pavlov’s ant

Cancer cell metabolism produces volatile organic compounds (VOCs) – organic chemicals that smell and can serve as biomarkers for diagnosis.

To train the ants to target VOCs, the researchers placed breast cancer cells and healthy cells in a petri dish – but the cancer cells included a sugary treat. “We associated a reward to the smell of cancer,” Dr. Piqueret says.

It’s a technique scientists call classical, or Pavlovian, conditioning. A neutral stimulus (cancer smell) is associated with a second stimulus (food) that elicits a behavior. After doing this a few times, the ant learns that the first stimulus predicts the second, and it will seek out the odor hoping to find that food.

Once the training was complete, the researchers presented the ant with the learned odor and a novel one – this time without a reward. Sure enough, the ants spent more time investigating the learned odor than the novel one.

“If you are hungry and you smell the odor of fresh bread, you will enter the closest bakery,” says Dr. Piqueret. “This is the same mechanism the ants are using, as you learned that fresh bread odor equals food.”

Dogs can detect VOCs via the same technique but take months and hundreds of trials to condition, the researchers note. F. fusca ants learn fast, requiring only three training trials.
 

Why ants?

Ants communicate primarily through olfaction or scent, and this sophisticated “language” makes them very sensitive to odors.

“Since ants are already well-attuned to detecting different chemicals, this makes them ideal for scent recognition,” says Corrie Moreau, PhD, an evolutionary biologist and entomologist at Cornell University, Ithaca, N.Y.

In their tiny ant worlds, the little creatures use chemicals, called pheromones, to convey information to other members of their nest.

“There are alarm pheromones to signal an intruder, trail pheromones so an ant knows which way to walk to a food source, and colony-level odors that signal another ant is a member of the same colony,” Dr. Moreau says.

But on closer inspection, you won’t see a nose on an ant. They “smell” with their antennas.

“These specialized structures are covered with highly sensitive receptors to be able to discern even small chemical differences,” Dr. Moreau says.

There are over 14,000 species of ants and as far as scientists like Dr. Moreau know, all of them use chemical communication, though some are better than others at detecting compounds, such as those scientists are interested in using to detect disease.
 

Diagnostic ants: Realistic or a curiosity?

Whether or not the new research findings could lead to a real tool for diagnosing cancer is difficult to say, says Dr. Moreau. The study only focused on pure cancer cells in a lab and not those growing inside a human body.

Anna Wanda Komorowski, MD, a medical oncologist-hematologist at Northwell Health in New York, found the study interesting and was impressed with how the researchers trained the ants. But she notes more research would be needed to parse out things like how long the ants would remember their training, and how long they could be kept in a lab for testing.

One of the attractive aspects of the research is that if it worked it might be a cheaper alternative to normal lab practices for detecting cancer cells, and possibly useful in some low-income settings where labs do not have access to cell stain technologies used to detect cancer cells.

Another glitch with the study, notes Dr. Komorowski: “The cells we’d expose them to probably would not be the same cells as those used in the study. They exposed the ants to live cell cultures. Usually, we collect material from biopsy and drop it into formaldehyde, which has such a strong odor. So the lab protocol for cancer detection would have to be different. It could be kind of tricky.”

And while ants are cheaper than stains and dyes and formaldehyde, you’d have to hire someone to train the ants – there’d still be a human factor and related costs.

“It would take much more research to figure out cost, and how applicable and reproducible it would be,” Dr. Komorowski says.

And then there’s the question of whether the ants would do their cancer-detecting work in the lab only, or if direct patient interaction might lead to a diagnosis more swiftly.

Ant expert Dr. Moreau adds, “The human body emits many other odors, so the question is whether the ants would be able to ignore all the other scents and focus only on the target scent.”

“But these results are promising,” she continues. “I guess the question is whether a patient would be willing to have trained ants crawl all over their body looking for potential cancer cells.”

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

Cancer diagnosis is frightening, invasive, time-consuming, and expensive. And more than 1.6 million people get that cancer diagnosis every year in the United States. That’s a lot of biopsies and a lot of looking at cells under highly sensitive microscopes.

But imagine if detecting cancer in those samples was as simple as taking a whiff.

We know some animals – like dogs and mice – have very sensitive noses that can sniff out disease. Inspired by those studies, French scientists decided to explore whether ants – known for their olfactory prowess – could do the same.

“Using olfaction to detect diseases is not a novel idea,” says Baptiste Piqueret, PhD, a researcher at Sorbonne Paris Nord University and lead author of the study. “Knowing how well ants can learn and how they use olfaction, we tested the abilities of ants to learn and detect diseases.”

While this is still far away from real-life clinical use, it could one day lead to a cheaper, more accessible (if not a little weird) alternative for detecting cancer. What would this new diagnostic method look like?
 

Pavlov’s ant

Cancer cell metabolism produces volatile organic compounds (VOCs) – organic chemicals that smell and can serve as biomarkers for diagnosis.

To train the ants to target VOCs, the researchers placed breast cancer cells and healthy cells in a petri dish – but the cancer cells included a sugary treat. “We associated a reward to the smell of cancer,” Dr. Piqueret says.

It’s a technique scientists call classical, or Pavlovian, conditioning. A neutral stimulus (cancer smell) is associated with a second stimulus (food) that elicits a behavior. After doing this a few times, the ant learns that the first stimulus predicts the second, and it will seek out the odor hoping to find that food.

Once the training was complete, the researchers presented the ant with the learned odor and a novel one – this time without a reward. Sure enough, the ants spent more time investigating the learned odor than the novel one.

“If you are hungry and you smell the odor of fresh bread, you will enter the closest bakery,” says Dr. Piqueret. “This is the same mechanism the ants are using, as you learned that fresh bread odor equals food.”

Dogs can detect VOCs via the same technique but take months and hundreds of trials to condition, the researchers note. F. fusca ants learn fast, requiring only three training trials.
 

Why ants?

Ants communicate primarily through olfaction or scent, and this sophisticated “language” makes them very sensitive to odors.

“Since ants are already well-attuned to detecting different chemicals, this makes them ideal for scent recognition,” says Corrie Moreau, PhD, an evolutionary biologist and entomologist at Cornell University, Ithaca, N.Y.

In their tiny ant worlds, the little creatures use chemicals, called pheromones, to convey information to other members of their nest.

“There are alarm pheromones to signal an intruder, trail pheromones so an ant knows which way to walk to a food source, and colony-level odors that signal another ant is a member of the same colony,” Dr. Moreau says.

But on closer inspection, you won’t see a nose on an ant. They “smell” with their antennas.

“These specialized structures are covered with highly sensitive receptors to be able to discern even small chemical differences,” Dr. Moreau says.

There are over 14,000 species of ants and as far as scientists like Dr. Moreau know, all of them use chemical communication, though some are better than others at detecting compounds, such as those scientists are interested in using to detect disease.
 

Diagnostic ants: Realistic or a curiosity?

Whether or not the new research findings could lead to a real tool for diagnosing cancer is difficult to say, says Dr. Moreau. The study only focused on pure cancer cells in a lab and not those growing inside a human body.

Anna Wanda Komorowski, MD, a medical oncologist-hematologist at Northwell Health in New York, found the study interesting and was impressed with how the researchers trained the ants. But she notes more research would be needed to parse out things like how long the ants would remember their training, and how long they could be kept in a lab for testing.

One of the attractive aspects of the research is that if it worked it might be a cheaper alternative to normal lab practices for detecting cancer cells, and possibly useful in some low-income settings where labs do not have access to cell stain technologies used to detect cancer cells.

Another glitch with the study, notes Dr. Komorowski: “The cells we’d expose them to probably would not be the same cells as those used in the study. They exposed the ants to live cell cultures. Usually, we collect material from biopsy and drop it into formaldehyde, which has such a strong odor. So the lab protocol for cancer detection would have to be different. It could be kind of tricky.”

And while ants are cheaper than stains and dyes and formaldehyde, you’d have to hire someone to train the ants – there’d still be a human factor and related costs.

“It would take much more research to figure out cost, and how applicable and reproducible it would be,” Dr. Komorowski says.

And then there’s the question of whether the ants would do their cancer-detecting work in the lab only, or if direct patient interaction might lead to a diagnosis more swiftly.

Ant expert Dr. Moreau adds, “The human body emits many other odors, so the question is whether the ants would be able to ignore all the other scents and focus only on the target scent.”

“But these results are promising,” she continues. “I guess the question is whether a patient would be willing to have trained ants crawl all over their body looking for potential cancer cells.”

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

Genetically modified mosquitoes released in the United States appear to have passed an early test that suggests they might one day help reduce the population of insects that transmit infectious diseases.

As part of the test, scientists released nearly 5 million genetically engineered male Aedes aegypti mosquitoes over the course of 7 months in the Florida Keys.

Male mosquitoes don’t bite people, and these were also modified so they would transmit a gene to female offspring that causes them to die before they can reproduce. In theory, this means the population of A. aegypti mosquitoes would die off over time, so they wouldn’t spread diseases any more.

The goal of this pilot project in Florida was to see if these genetically modified male mosquitoes could successfully mate with females in the wild, and to confirm whether their female offspring would indeed die before they could reproduce. On both counts, the experiment was a success, Oxitec, the biotechnology company developing these engineered A. aegypti mosquitoes, said in a webinar.
 

More testing in Florida and California

Based on the results from this preliminary research, the Environmental Protection Agency has approved additional pilot projects in Florida and California, the company said in a statement.

“Given the growing health threat this mosquito poses across the U.S., we’re working to make this technology available and accessible,” Grey Frandsen, Oxitec’s chief executive, said in the statement. “These pilot programs, wherein we can demonstrate the technology’s effectiveness in different climate settings, will play an important role in doing so.”

A. aegypti mosquitoes can spread several serious infectious diseases to humans, including dengue, Zika, yellow fever and chikungunya, according to the Centers for Disease Control and Prevention.

Preliminary tests of the genetically modified mosquitoes weren’t designed to determine whether these engineered insects might stop the spread of these diseases. The goal of the initial tests was simply to see how reproduction played out once the genetically modified males were released.

The genetically engineered males successfully mated with females in the wild, the company reports. Scientists collected more than 22,000 eggs laid by these females from traps set out around the community in spots like flowerpots and trash cans.

In the lab, researchers confirmed that the female offspring from these pairings inherited a lethal gene designed to cause their death before adulthood. The lethal gene was transmitted to female offspring across multiple generations, scientists also found.

Many more trials would be needed before these genetically modified mosquitoes could be released in the wild on a larger scale – particularly because the tests done so far haven’t demonstrated that these engineered bugs can prevent the spread of infectious disease.

Releasing genetically modified A. aegypti mosquitoes into the wild won’t reduce the need for pesticides because most mosquitoes in the United States aren’t from this species.

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

Genetically modified mosquitoes released in the United States appear to have passed an early test that suggests they might one day help reduce the population of insects that transmit infectious diseases.

As part of the test, scientists released nearly 5 million genetically engineered male Aedes aegypti mosquitoes over the course of 7 months in the Florida Keys.

Male mosquitoes don’t bite people, and these were also modified so they would transmit a gene to female offspring that causes them to die before they can reproduce. In theory, this means the population of A. aegypti mosquitoes would die off over time, so they wouldn’t spread diseases any more.

The goal of this pilot project in Florida was to see if these genetically modified male mosquitoes could successfully mate with females in the wild, and to confirm whether their female offspring would indeed die before they could reproduce. On both counts, the experiment was a success, Oxitec, the biotechnology company developing these engineered A. aegypti mosquitoes, said in a webinar.
 

More testing in Florida and California

Based on the results from this preliminary research, the Environmental Protection Agency has approved additional pilot projects in Florida and California, the company said in a statement.

“Given the growing health threat this mosquito poses across the U.S., we’re working to make this technology available and accessible,” Grey Frandsen, Oxitec’s chief executive, said in the statement. “These pilot programs, wherein we can demonstrate the technology’s effectiveness in different climate settings, will play an important role in doing so.”

A. aegypti mosquitoes can spread several serious infectious diseases to humans, including dengue, Zika, yellow fever and chikungunya, according to the Centers for Disease Control and Prevention.

Preliminary tests of the genetically modified mosquitoes weren’t designed to determine whether these engineered insects might stop the spread of these diseases. The goal of the initial tests was simply to see how reproduction played out once the genetically modified males were released.

The genetically engineered males successfully mated with females in the wild, the company reports. Scientists collected more than 22,000 eggs laid by these females from traps set out around the community in spots like flowerpots and trash cans.

In the lab, researchers confirmed that the female offspring from these pairings inherited a lethal gene designed to cause their death before adulthood. The lethal gene was transmitted to female offspring across multiple generations, scientists also found.

Many more trials would be needed before these genetically modified mosquitoes could be released in the wild on a larger scale – particularly because the tests done so far haven’t demonstrated that these engineered bugs can prevent the spread of infectious disease.

Releasing genetically modified A. aegypti mosquitoes into the wild won’t reduce the need for pesticides because most mosquitoes in the United States aren’t from this species.

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

Genetically modified mosquitoes released in the United States appear to have passed an early test that suggests they might one day help reduce the population of insects that transmit infectious diseases.

As part of the test, scientists released nearly 5 million genetically engineered male Aedes aegypti mosquitoes over the course of 7 months in the Florida Keys.

Male mosquitoes don’t bite people, and these were also modified so they would transmit a gene to female offspring that causes them to die before they can reproduce. In theory, this means the population of A. aegypti mosquitoes would die off over time, so they wouldn’t spread diseases any more.

The goal of this pilot project in Florida was to see if these genetically modified male mosquitoes could successfully mate with females in the wild, and to confirm whether their female offspring would indeed die before they could reproduce. On both counts, the experiment was a success, Oxitec, the biotechnology company developing these engineered A. aegypti mosquitoes, said in a webinar.
 

More testing in Florida and California

Based on the results from this preliminary research, the Environmental Protection Agency has approved additional pilot projects in Florida and California, the company said in a statement.

“Given the growing health threat this mosquito poses across the U.S., we’re working to make this technology available and accessible,” Grey Frandsen, Oxitec’s chief executive, said in the statement. “These pilot programs, wherein we can demonstrate the technology’s effectiveness in different climate settings, will play an important role in doing so.”

A. aegypti mosquitoes can spread several serious infectious diseases to humans, including dengue, Zika, yellow fever and chikungunya, according to the Centers for Disease Control and Prevention.

Preliminary tests of the genetically modified mosquitoes weren’t designed to determine whether these engineered insects might stop the spread of these diseases. The goal of the initial tests was simply to see how reproduction played out once the genetically modified males were released.

The genetically engineered males successfully mated with females in the wild, the company reports. Scientists collected more than 22,000 eggs laid by these females from traps set out around the community in spots like flowerpots and trash cans.

In the lab, researchers confirmed that the female offspring from these pairings inherited a lethal gene designed to cause their death before adulthood. The lethal gene was transmitted to female offspring across multiple generations, scientists also found.

Many more trials would be needed before these genetically modified mosquitoes could be released in the wild on a larger scale – particularly because the tests done so far haven’t demonstrated that these engineered bugs can prevent the spread of infectious disease.

Releasing genetically modified A. aegypti mosquitoes into the wild won’t reduce the need for pesticides because most mosquitoes in the United States aren’t from this species.

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

A 63-YEAR-OLD SOUTHEAST ASIAN WOMAN presented with early satiety, mild swelling of her lower extremities, and several months of progressive shortness of breath that had become severe (provoked by activities of daily living). She had a history of longstanding, rate-controlled atrial fibrillation on oral anticoagulation. She also had a history of mitral valve stenosis that was treated 30 years earlier with mechanical valve replacement. The patient had previously been treated out of state and prior records were not available.

Chest radiography (CXR) was performed as part of the initial work-up (FIGURE 1) and demonstrated a substantially enlarged cardiac silhouette spanning the entire width of the chest without significant pleural effusion or evidence of airspace disease. Suspecting a primary cardiac pathology in this patient, we explored clinical findings of heart failure with transthoracic echocardiography.

WHAT IS YOUR DIAGNOSIS?
HOW WOULD YOU TREAT THIS PATIENT?

A transthoracic echocardiogram (FIGURE 2A) revealed cardiomegaly with massive right atrial enlargement; a color-flow Doppler (FIGURE 2B) revealed severe tricuspid regurgitation, reduced right ventricular systolic function, and preserved left ventricular systolic function. All of these findings pointed to the diagnosis of rheumatic heart disease (RHD), especially in the context of prior mitral valve stenosis.

RHD affects more than 33 million people annually and remains a significant problem globally.¹ It’s associated with a relatively poor prognosis, especially if heart failure is present (as it was in this case).^2,3 Although the mitral and aortic valves are most commonly affected, approximately 34% of patients will develop tricuspid regurgitation.⁴ Right-side cardiac manifestations of RHD may lead to clinical heart failure with chronic venous congestion and, ultimately, cirrhosis.

Suspect RHD when encountering a new murmur in a patient with prior history of acute rheumatic fever, especially if they are living in or are from a country where rheumatic disease is endemic (most of the developing world).

The diagnosis is confirmed when echocardiographic findings demonstrate characteristic pathologic valve changes (eg, thickening of the anterior mitral valve leaflet, especially the leaflet tips and subvalvular apparatus).

The differential for an enlarged cardiac silhouette

The differential diagnosis for an enlarged cardiac silhouette on CXR includes cardiomegaly (as in this case), pericardial effusion, or a thoracic mass (either mediastinal or pericardial). Imaging artifact from patient orientation may also yield the appearance of an enlarged cardiac silhouette. Distinguishing between these entities may be accomplished by incorporating the history with selection of more definitive imaging (eg, echocardiogram or computed tomography).

Continue to: Management depends on the severity and symptoms

Percutaneous or surgical intervention may be required with RHD, depending on the clinical scenario. If the patient also has atrial fibrillation, medical management includes oral anticoagulation (with a vitamin K antagonist). Additionally, secondary prophylaxis with long-term antibiotics (directed against recurrent group A Streptococcus infection) is recommended for RHD patients with mitral stenosis.⁵ If the patient in this case had engaged in more regular cardiology follow-up, the progression of her tricuspid regurgitation may have been mitigated by surgical intervention and aggressive medical management (although the progression of RHD can eclipse standard treatments).⁵

In this case, a liver biopsy was pursued for prognostication. Unfortunately, the biopsy demonstrated cirrhosis with perisinusoidal fibrosis suggesting an advanced, end-stage clinical state. This diagnosis precluded the patient’s eligibility for advanced therapies such as right ventricular assist device implantation or cardiac transplantation. Surgical intervention (repair or replacement) was also deemed likely to be futile due to right ventricular dilatation and systolic dysfunction in the context of antecedent left-side valve intervention.

The patient elected to pursue palliative care and died at home several months later. In the years since this case occurred, less invasive tricuspid valve interventions have been explored, offering promise of amelioration of such cases in the future.⁶

A 63-YEAR-OLD SOUTHEAST ASIAN WOMAN presented with early satiety, mild swelling of her lower extremities, and several months of progressive shortness of breath that had become severe (provoked by activities of daily living). She had a history of longstanding, rate-controlled atrial fibrillation on oral anticoagulation. She also had a history of mitral valve stenosis that was treated 30 years earlier with mechanical valve replacement. The patient had previously been treated out of state and prior records were not available.

Chest radiography (CXR) was performed as part of the initial work-up (FIGURE 1) and demonstrated a substantially enlarged cardiac silhouette spanning the entire width of the chest without significant pleural effusion or evidence of airspace disease. Suspecting a primary cardiac pathology in this patient, we explored clinical findings of heart failure with transthoracic echocardiography.

WHAT IS YOUR DIAGNOSIS?
HOW WOULD YOU TREAT THIS PATIENT?

A transthoracic echocardiogram (FIGURE 2A) revealed cardiomegaly with massive right atrial enlargement; a color-flow Doppler (FIGURE 2B) revealed severe tricuspid regurgitation, reduced right ventricular systolic function, and preserved left ventricular systolic function. All of these findings pointed to the diagnosis of rheumatic heart disease (RHD), especially in the context of prior mitral valve stenosis.

RHD affects more than 33 million people annually and remains a significant problem globally.¹ It’s associated with a relatively poor prognosis, especially if heart failure is present (as it was in this case).^2,3 Although the mitral and aortic valves are most commonly affected, approximately 34% of patients will develop tricuspid regurgitation.⁴ Right-side cardiac manifestations of RHD may lead to clinical heart failure with chronic venous congestion and, ultimately, cirrhosis.

Suspect RHD when encountering a new murmur in a patient with prior history of acute rheumatic fever, especially if they are living in or are from a country where rheumatic disease is endemic (most of the developing world).

The diagnosis is confirmed when echocardiographic findings demonstrate characteristic pathologic valve changes (eg, thickening of the anterior mitral valve leaflet, especially the leaflet tips and subvalvular apparatus).

The differential for an enlarged cardiac silhouette

The differential diagnosis for an enlarged cardiac silhouette on CXR includes cardiomegaly (as in this case), pericardial effusion, or a thoracic mass (either mediastinal or pericardial). Imaging artifact from patient orientation may also yield the appearance of an enlarged cardiac silhouette. Distinguishing between these entities may be accomplished by incorporating the history with selection of more definitive imaging (eg, echocardiogram or computed tomography).

Continue to: Management depends on the severity and symptoms

Percutaneous or surgical intervention may be required with RHD, depending on the clinical scenario. If the patient also has atrial fibrillation, medical management includes oral anticoagulation (with a vitamin K antagonist). Additionally, secondary prophylaxis with long-term antibiotics (directed against recurrent group A Streptococcus infection) is recommended for RHD patients with mitral stenosis.⁵ If the patient in this case had engaged in more regular cardiology follow-up, the progression of her tricuspid regurgitation may have been mitigated by surgical intervention and aggressive medical management (although the progression of RHD can eclipse standard treatments).⁵

In this case, a liver biopsy was pursued for prognostication. Unfortunately, the biopsy demonstrated cirrhosis with perisinusoidal fibrosis suggesting an advanced, end-stage clinical state. This diagnosis precluded the patient’s eligibility for advanced therapies such as right ventricular assist device implantation or cardiac transplantation. Surgical intervention (repair or replacement) was also deemed likely to be futile due to right ventricular dilatation and systolic dysfunction in the context of antecedent left-side valve intervention.

The patient elected to pursue palliative care and died at home several months later. In the years since this case occurred, less invasive tricuspid valve interventions have been explored, offering promise of amelioration of such cases in the future.⁶

A 63-YEAR-OLD SOUTHEAST ASIAN WOMAN presented with early satiety, mild swelling of her lower extremities, and several months of progressive shortness of breath that had become severe (provoked by activities of daily living). She had a history of longstanding, rate-controlled atrial fibrillation on oral anticoagulation. She also had a history of mitral valve stenosis that was treated 30 years earlier with mechanical valve replacement. The patient had previously been treated out of state and prior records were not available.

Chest radiography (CXR) was performed as part of the initial work-up (FIGURE 1) and demonstrated a substantially enlarged cardiac silhouette spanning the entire width of the chest without significant pleural effusion or evidence of airspace disease. Suspecting a primary cardiac pathology in this patient, we explored clinical findings of heart failure with transthoracic echocardiography.

WHAT IS YOUR DIAGNOSIS?
HOW WOULD YOU TREAT THIS PATIENT?

A transthoracic echocardiogram (FIGURE 2A) revealed cardiomegaly with massive right atrial enlargement; a color-flow Doppler (FIGURE 2B) revealed severe tricuspid regurgitation, reduced right ventricular systolic function, and preserved left ventricular systolic function. All of these findings pointed to the diagnosis of rheumatic heart disease (RHD), especially in the context of prior mitral valve stenosis.

RHD affects more than 33 million people annually and remains a significant problem globally.¹ It’s associated with a relatively poor prognosis, especially if heart failure is present (as it was in this case).^2,3 Although the mitral and aortic valves are most commonly affected, approximately 34% of patients will develop tricuspid regurgitation.⁴ Right-side cardiac manifestations of RHD may lead to clinical heart failure with chronic venous congestion and, ultimately, cirrhosis.

Suspect RHD when encountering a new murmur in a patient with prior history of acute rheumatic fever, especially if they are living in or are from a country where rheumatic disease is endemic (most of the developing world).

The diagnosis is confirmed when echocardiographic findings demonstrate characteristic pathologic valve changes (eg, thickening of the anterior mitral valve leaflet, especially the leaflet tips and subvalvular apparatus).

The differential for an enlarged cardiac silhouette

The differential diagnosis for an enlarged cardiac silhouette on CXR includes cardiomegaly (as in this case), pericardial effusion, or a thoracic mass (either mediastinal or pericardial). Imaging artifact from patient orientation may also yield the appearance of an enlarged cardiac silhouette. Distinguishing between these entities may be accomplished by incorporating the history with selection of more definitive imaging (eg, echocardiogram or computed tomography).

Continue to: Management depends on the severity and symptoms

Percutaneous or surgical intervention may be required with RHD, depending on the clinical scenario. If the patient also has atrial fibrillation, medical management includes oral anticoagulation (with a vitamin K antagonist). Additionally, secondary prophylaxis with long-term antibiotics (directed against recurrent group A Streptococcus infection) is recommended for RHD patients with mitral stenosis.⁵ If the patient in this case had engaged in more regular cardiology follow-up, the progression of her tricuspid regurgitation may have been mitigated by surgical intervention and aggressive medical management (although the progression of RHD can eclipse standard treatments).⁵

In this case, a liver biopsy was pursued for prognostication. Unfortunately, the biopsy demonstrated cirrhosis with perisinusoidal fibrosis suggesting an advanced, end-stage clinical state. This diagnosis precluded the patient’s eligibility for advanced therapies such as right ventricular assist device implantation or cardiac transplantation. Surgical intervention (repair or replacement) was also deemed likely to be futile due to right ventricular dilatation and systolic dysfunction in the context of antecedent left-side valve intervention.

The patient elected to pursue palliative care and died at home several months later. In the years since this case occurred, less invasive tricuspid valve interventions have been explored, offering promise of amelioration of such cases in the future.⁶

Evidence summary

Symptoms improve with PRP—but not significantly

A 2014 double-blind RCT (n = 23) explored recovery outcomes in patients with patellar tendinopathy who received either 1 injection of leukocyte-rich PRP or ultrasound-­guided dry needling.¹ Both groups also completed standardized eccentric exercises. Participants were predominantly men, ages ≥ 18 years. Symptomatic improvement was assessed using the Victorian Institute of Sport ­Assessment–Patella (VISA-P), an 8-item subjective questionnaire of functionality with a range of 0 to 100, with 100 as the maximum score for an asymptomatic individual.

At 12 weeks posttreatment, VISA-P scores improved in both groups. However, the improvement in the dry needling group was not statistically significant (5.2 points; 95% CI, –2.2 to 12.6; P = .20), while in the PRP group it was statistically significant (25.4 points; 95% CI, 10.3 to 40.6; P = .01). At ≥ 26 weeks, statistically significant improvement was observed in both treatment groups: scores improved by 33.2 points (95% CI, 24.1 to 42.4; P = .001) in the dry needling group and by 28.9 points (95% CI, 11.4 to 46.3; P = .01) in the PRP group. However, the difference between the groups’ VISA-P scores at ≥ 26 weeks was not significant (P = .66).¹

No significant differences observed for PRP vs placebo or physical therapy

A 2019 single-blind RCT (n = 57) involved patients who were treated with 1 injection of either leukocyte-rich PRP, leukocyte-poor PRP, or saline, all in combination with 6 weeks of physical therapy.² Participants were predominantly men, ages 18 to 50 years, and engaged in recreational sporting activities. There was no statistically significant difference in mean change in VISA-P score at any timepoint of the 2-year study period. P values were not reported.²

A 2010 RCT (n = 31) compared PRP (unspecified whether leukocyte-rich or -poor) in combination with physical therapy to physical therapy alone.³ Groups were matched for sex, age, and sports activity level; patients in the PRP group were required to have failed previous treatment, while control subjects must not have received any treatment for at least 2 months. Subjects were evaluated pretreatment, immediately posttreatment, and 6 months posttreatment. Clinical evaluation was aided by use of the Tegner activity score, a 1-item score that grades activity level on a scale of 0 to 10; the EuroQol-visual analog scale (EQ-VAS), which evaluates subjective rating of overall health; and pain level scores.

At 6 months posttreatment, no statistically significant differences were observed between groups in EQ-VAS and pain level scores. However, Tegner activity scores among PRP recipients showed significant percent improvement over controls at 6 months posttreatment (39% vs 20%; P = .048).³

Recommendations from others

Currently, national orthopedic and professional athletic medical associations have recommended that further research be conducted in order to make a strong statement in favor of or against PRP.^4,5

Editor’s takeaway

Existing data regarding PRP fails, again, to show consistent benefits. These small sample sizes, inconsistent comparators, and heterogeneous results limit our certainty. This lack of quality evidence does not prove a lack of effect, but it raises serious doubts.

Evidence summary

Symptoms improve with PRP—but not significantly

A 2014 double-blind RCT (n = 23) explored recovery outcomes in patients with patellar tendinopathy who received either 1 injection of leukocyte-rich PRP or ultrasound-­guided dry needling.¹ Both groups also completed standardized eccentric exercises. Participants were predominantly men, ages ≥ 18 years. Symptomatic improvement was assessed using the Victorian Institute of Sport ­Assessment–Patella (VISA-P), an 8-item subjective questionnaire of functionality with a range of 0 to 100, with 100 as the maximum score for an asymptomatic individual.

At 12 weeks posttreatment, VISA-P scores improved in both groups. However, the improvement in the dry needling group was not statistically significant (5.2 points; 95% CI, –2.2 to 12.6; P = .20), while in the PRP group it was statistically significant (25.4 points; 95% CI, 10.3 to 40.6; P = .01). At ≥ 26 weeks, statistically significant improvement was observed in both treatment groups: scores improved by 33.2 points (95% CI, 24.1 to 42.4; P = .001) in the dry needling group and by 28.9 points (95% CI, 11.4 to 46.3; P = .01) in the PRP group. However, the difference between the groups’ VISA-P scores at ≥ 26 weeks was not significant (P = .66).¹

No significant differences observed for PRP vs placebo or physical therapy

A 2019 single-blind RCT (n = 57) involved patients who were treated with 1 injection of either leukocyte-rich PRP, leukocyte-poor PRP, or saline, all in combination with 6 weeks of physical therapy.² Participants were predominantly men, ages 18 to 50 years, and engaged in recreational sporting activities. There was no statistically significant difference in mean change in VISA-P score at any timepoint of the 2-year study period. P values were not reported.²

A 2010 RCT (n = 31) compared PRP (unspecified whether leukocyte-rich or -poor) in combination with physical therapy to physical therapy alone.³ Groups were matched for sex, age, and sports activity level; patients in the PRP group were required to have failed previous treatment, while control subjects must not have received any treatment for at least 2 months. Subjects were evaluated pretreatment, immediately posttreatment, and 6 months posttreatment. Clinical evaluation was aided by use of the Tegner activity score, a 1-item score that grades activity level on a scale of 0 to 10; the EuroQol-visual analog scale (EQ-VAS), which evaluates subjective rating of overall health; and pain level scores.

At 6 months posttreatment, no statistically significant differences were observed between groups in EQ-VAS and pain level scores. However, Tegner activity scores among PRP recipients showed significant percent improvement over controls at 6 months posttreatment (39% vs 20%; P = .048).³

Recommendations from others

Currently, national orthopedic and professional athletic medical associations have recommended that further research be conducted in order to make a strong statement in favor of or against PRP.^4,5

Editor’s takeaway

Existing data regarding PRP fails, again, to show consistent benefits. These small sample sizes, inconsistent comparators, and heterogeneous results limit our certainty. This lack of quality evidence does not prove a lack of effect, but it raises serious doubts.

Evidence summary

Symptoms improve with PRP—but not significantly

A 2014 double-blind RCT (n = 23) explored recovery outcomes in patients with patellar tendinopathy who received either 1 injection of leukocyte-rich PRP or ultrasound-­guided dry needling.¹ Both groups also completed standardized eccentric exercises. Participants were predominantly men, ages ≥ 18 years. Symptomatic improvement was assessed using the Victorian Institute of Sport ­Assessment–Patella (VISA-P), an 8-item subjective questionnaire of functionality with a range of 0 to 100, with 100 as the maximum score for an asymptomatic individual.

At 12 weeks posttreatment, VISA-P scores improved in both groups. However, the improvement in the dry needling group was not statistically significant (5.2 points; 95% CI, –2.2 to 12.6; P = .20), while in the PRP group it was statistically significant (25.4 points; 95% CI, 10.3 to 40.6; P = .01). At ≥ 26 weeks, statistically significant improvement was observed in both treatment groups: scores improved by 33.2 points (95% CI, 24.1 to 42.4; P = .001) in the dry needling group and by 28.9 points (95% CI, 11.4 to 46.3; P = .01) in the PRP group. However, the difference between the groups’ VISA-P scores at ≥ 26 weeks was not significant (P = .66).¹

No significant differences observed for PRP vs placebo or physical therapy

A 2019 single-blind RCT (n = 57) involved patients who were treated with 1 injection of either leukocyte-rich PRP, leukocyte-poor PRP, or saline, all in combination with 6 weeks of physical therapy.² Participants were predominantly men, ages 18 to 50 years, and engaged in recreational sporting activities. There was no statistically significant difference in mean change in VISA-P score at any timepoint of the 2-year study period. P values were not reported.²

A 2010 RCT (n = 31) compared PRP (unspecified whether leukocyte-rich or -poor) in combination with physical therapy to physical therapy alone.³ Groups were matched for sex, age, and sports activity level; patients in the PRP group were required to have failed previous treatment, while control subjects must not have received any treatment for at least 2 months. Subjects were evaluated pretreatment, immediately posttreatment, and 6 months posttreatment. Clinical evaluation was aided by use of the Tegner activity score, a 1-item score that grades activity level on a scale of 0 to 10; the EuroQol-visual analog scale (EQ-VAS), which evaluates subjective rating of overall health; and pain level scores.

At 6 months posttreatment, no statistically significant differences were observed between groups in EQ-VAS and pain level scores. However, Tegner activity scores among PRP recipients showed significant percent improvement over controls at 6 months posttreatment (39% vs 20%; P = .048).³

Recommendations from others

Currently, national orthopedic and professional athletic medical associations have recommended that further research be conducted in order to make a strong statement in favor of or against PRP.^4,5

Editor’s takeaway

Existing data regarding PRP fails, again, to show consistent benefits. These small sample sizes, inconsistent comparators, and heterogeneous results limit our certainty. This lack of quality evidence does not prove a lack of effect, but it raises serious doubts.