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AHA/ACC updates hypertension guidelines for CAD patients
The first update to U.S. guidelines for managing hypertension in adult patients with coronary artery disease in 8 years reset the target blood pressure for most of these patients to less than 140/90 mm Hg, and highlighted beta-blockers, renin-angiotensin-aldosterone system blockers, and thiazide diuretics as the mainstays of drug treatment for these patients.
The main messages in the new scientific statement from the American Heart Association, American College of Cardiology, and American Society of Hypertension, released on March 31 in an article published online (Hypertension 2015 [doi:10.116/HYP.0000000000000018]) are the blood pressure targets set for patients with coronary artery disease (CAD) and the designations of the preferred drugs to use to achieve the blood pressure goals when lifestyle measures alone prove inadequate, said Dr. Clive Rosendorff, chair of the panel that wrote the new statement.
But the statement also highlighted that a blood pressure target of less than 130/80 mm Hg “could be considered” and was reasonable for selected CAD patients whom physicians judge capable of achieving this lower blood pressure level safely and who are at especially high risk for cerebrovascular events.
“We felt the best evidence [to prevent future cardiovascular events] was to reduce pressure below 140/90 mm Hg, but a goal pressure of less than 130/80 mm Hg may be appropriate in some cases; we left it to the discretion of physicians to decide which blood pressure target to choose,” said Dr. Rosendorff, professor of medicine at Mount Sinai Hospital in New York.
The default blood pressure goal of less than 140/90 for most CAD patients represented an increase from the less than 130/80 mm Hg goal set by the prior edition of this guideline, issued in 2007 (Circulation 2007;115:2761-88). Current evidence for the lower blood pressure target of less than 130/80 mm Hg “was not as strong,” Dr. Rosendorff said in an interview. He suggested that physicians consider using the lower target for patients who are younger, reasonably healthy, able to tolerate a regimen that brings them to a lower blood pressure without an increase in angina or other significant effects caused by the drugs themselves, do not experience compromised renal function with reduced blood pressure, and have an increased risk for cerebrovascular events.
“These guidelines are not rigid, and should involve a discussion with the patient of the benefits and risks,” he said.
The new statement targets a blood pressure goal of less than 150/90 mm Hg for CAD patients who are more than 80 years old.
The new target for CAD patients represents something of a response to the blood pressure target of less than 150/90 mm Hg for people at least 60 years old recommended last year in recommendations made by the panel originally assembled as the Eighth Joint National Committee (JNC 8) (JAMA 2014;311:507-20). Although the JNC 8 recommendations aimed at the general population in a primary prevention setting, as opposed to CAD patients for whom secondary prevention is the goal, the target of less than 150/90 mm Hg became “highly controversial” and was a factor in composing the new recommendation, Dr. Rosendorff said. He also stressed that the AHA, ACC, and ASH have assembled a group that is formulating new recommendations for diagnosing and managing hypertension for the general population in a primary prevention setting that will come out sometime in the future.
The new hypertension guideline for CAD patients and the 2014 statement from the JNC 8 panel should be seen as distinct recommendations because they targeted different patient populations and because they were based on different ground rules for evidence, said Dr. Suzanne Oparil, one of three people who served on both writing groups. The JNC 8 group focused exclusively on findings from randomized, controlled trials that used hard cardiovascular disease endpoints. The writing committee for the new guidelines targeted specifically at CAD patients also considered evidence from epidemiologic studies. In addition, the new guidelines is targeted at primarily a cardiologist audience, while the 2014 JNC 8 guidelines were written primarily for primary care physicians, she said in an interview.
“I do not believe that the new CAD guidelines will change practice. They reflect what most cardiologists already do,” said Dr. Oparil, professor of medicine and director of the vascular biology and hypertension program at the University of Alabama, Birmingham.
Regarding antihypertensive drug selection the new statement endorses a focus on treating hypertensive patients with established CAD with a beta-blocker, a renin-angiotensin-aldosterone system blocker such as an ACE inhibitor or angiotensin-receptor blocker, and a thiazide or thiazide-like diuretic. Hypertensive patients with CAD should immediately start on all three drug classes, Dr. Rosendorff said.
“For patients with established CAD, a treatment with a beta-blocker moves from the limbo they are in for treating uncomplicated hypertension to center stage,” he said. The statement gives more detailed guidance on which specific drugs from the beta-blocker class have the best evidence for efficacy in various types of patients with CAD.
Dr. Rosendorff had no disclosures. Dr. Oparil has been a consultant to Bayer, Daiichi Sankyo, and Pfizer, and has received research grants from Medtronic, Merck, Novartis, and Takeda.
On Twitter @mitchelzoler
The new statement on treating hypertension in patients with established coronary artery disease clears up what had been a confusing situation for U.S. physicians during the past year.
In early 2014, the panel that had originally been assembled as the Eighth Joint National Committee (JNC 8) issued a statement that called for a blood pressure target of less than 150/90 mm Hg for people 60 years or older (JAMA 2014;311:507-20). People were very confused about that, and may have erroneously believed that this recommendation applied to patients with CAD. I and many of my colleagues believe that having a recommendation to treat to just less than 150/90 mm Hg potentially put millions of CAD patients at risk, especially at risk for stroke. The new statement highlights the high risk faced by CAD patients who need special attention to their blood pressure.
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| Mitchel L. Zoler/Fronbtline Medical News Dr. Elliott M. Antman |
The epidemiologic evidence clearly shows that increased blood pressure relates to an increased risk for cardiovascular events across a blood pressure range from 115/75 mm Hg to 185/115 mm Hg.
The new recommendations for CAD patients also say that a target blood pressure of less than 130/80 mm Hg may be preferred for selected patients, although the statement does not offer clear steps on how to identify these patients. Physicians must use their clinical judgment.
In my practice, I make sure not to drop a patient’s creatinine clearance to an unacceptably low level, and I would especially consider the lower target for patients with a history of heart failure or left ventricular dilatation or hypertrophy. I believe that in the past, physicians have been too conservative about blood pressure reduction in CAD patients, in part out of a concern about reducing perfusion pressure too much. I believe that if a CAD patient can tolerate a lower blood pressure and the treatment it takes to achieve it, then it is better to be more aggressive.
We also must always remember that the lifestyle modifications, including less dietary sodium, weight loss, and exercise, are the first steps to reducing blood pressure.
Dr. Elliott M. Antman is professor of medicine at Harvard University in Boston and president of the American Heart Association. He had no relevant disclosures. He made these comments in an interview.
The new statement on treating hypertension in patients with established coronary artery disease clears up what had been a confusing situation for U.S. physicians during the past year.
In early 2014, the panel that had originally been assembled as the Eighth Joint National Committee (JNC 8) issued a statement that called for a blood pressure target of less than 150/90 mm Hg for people 60 years or older (JAMA 2014;311:507-20). People were very confused about that, and may have erroneously believed that this recommendation applied to patients with CAD. I and many of my colleagues believe that having a recommendation to treat to just less than 150/90 mm Hg potentially put millions of CAD patients at risk, especially at risk for stroke. The new statement highlights the high risk faced by CAD patients who need special attention to their blood pressure.
|
| Mitchel L. Zoler/Fronbtline Medical News Dr. Elliott M. Antman |
The epidemiologic evidence clearly shows that increased blood pressure relates to an increased risk for cardiovascular events across a blood pressure range from 115/75 mm Hg to 185/115 mm Hg.
The new recommendations for CAD patients also say that a target blood pressure of less than 130/80 mm Hg may be preferred for selected patients, although the statement does not offer clear steps on how to identify these patients. Physicians must use their clinical judgment.
In my practice, I make sure not to drop a patient’s creatinine clearance to an unacceptably low level, and I would especially consider the lower target for patients with a history of heart failure or left ventricular dilatation or hypertrophy. I believe that in the past, physicians have been too conservative about blood pressure reduction in CAD patients, in part out of a concern about reducing perfusion pressure too much. I believe that if a CAD patient can tolerate a lower blood pressure and the treatment it takes to achieve it, then it is better to be more aggressive.
We also must always remember that the lifestyle modifications, including less dietary sodium, weight loss, and exercise, are the first steps to reducing blood pressure.
Dr. Elliott M. Antman is professor of medicine at Harvard University in Boston and president of the American Heart Association. He had no relevant disclosures. He made these comments in an interview.
The new statement on treating hypertension in patients with established coronary artery disease clears up what had been a confusing situation for U.S. physicians during the past year.
In early 2014, the panel that had originally been assembled as the Eighth Joint National Committee (JNC 8) issued a statement that called for a blood pressure target of less than 150/90 mm Hg for people 60 years or older (JAMA 2014;311:507-20). People were very confused about that, and may have erroneously believed that this recommendation applied to patients with CAD. I and many of my colleagues believe that having a recommendation to treat to just less than 150/90 mm Hg potentially put millions of CAD patients at risk, especially at risk for stroke. The new statement highlights the high risk faced by CAD patients who need special attention to their blood pressure.
|
| Mitchel L. Zoler/Fronbtline Medical News Dr. Elliott M. Antman |
The epidemiologic evidence clearly shows that increased blood pressure relates to an increased risk for cardiovascular events across a blood pressure range from 115/75 mm Hg to 185/115 mm Hg.
The new recommendations for CAD patients also say that a target blood pressure of less than 130/80 mm Hg may be preferred for selected patients, although the statement does not offer clear steps on how to identify these patients. Physicians must use their clinical judgment.
In my practice, I make sure not to drop a patient’s creatinine clearance to an unacceptably low level, and I would especially consider the lower target for patients with a history of heart failure or left ventricular dilatation or hypertrophy. I believe that in the past, physicians have been too conservative about blood pressure reduction in CAD patients, in part out of a concern about reducing perfusion pressure too much. I believe that if a CAD patient can tolerate a lower blood pressure and the treatment it takes to achieve it, then it is better to be more aggressive.
We also must always remember that the lifestyle modifications, including less dietary sodium, weight loss, and exercise, are the first steps to reducing blood pressure.
Dr. Elliott M. Antman is professor of medicine at Harvard University in Boston and president of the American Heart Association. He had no relevant disclosures. He made these comments in an interview.
The first update to U.S. guidelines for managing hypertension in adult patients with coronary artery disease in 8 years reset the target blood pressure for most of these patients to less than 140/90 mm Hg, and highlighted beta-blockers, renin-angiotensin-aldosterone system blockers, and thiazide diuretics as the mainstays of drug treatment for these patients.
The main messages in the new scientific statement from the American Heart Association, American College of Cardiology, and American Society of Hypertension, released on March 31 in an article published online (Hypertension 2015 [doi:10.116/HYP.0000000000000018]) are the blood pressure targets set for patients with coronary artery disease (CAD) and the designations of the preferred drugs to use to achieve the blood pressure goals when lifestyle measures alone prove inadequate, said Dr. Clive Rosendorff, chair of the panel that wrote the new statement.
But the statement also highlighted that a blood pressure target of less than 130/80 mm Hg “could be considered” and was reasonable for selected CAD patients whom physicians judge capable of achieving this lower blood pressure level safely and who are at especially high risk for cerebrovascular events.
“We felt the best evidence [to prevent future cardiovascular events] was to reduce pressure below 140/90 mm Hg, but a goal pressure of less than 130/80 mm Hg may be appropriate in some cases; we left it to the discretion of physicians to decide which blood pressure target to choose,” said Dr. Rosendorff, professor of medicine at Mount Sinai Hospital in New York.
The default blood pressure goal of less than 140/90 for most CAD patients represented an increase from the less than 130/80 mm Hg goal set by the prior edition of this guideline, issued in 2007 (Circulation 2007;115:2761-88). Current evidence for the lower blood pressure target of less than 130/80 mm Hg “was not as strong,” Dr. Rosendorff said in an interview. He suggested that physicians consider using the lower target for patients who are younger, reasonably healthy, able to tolerate a regimen that brings them to a lower blood pressure without an increase in angina or other significant effects caused by the drugs themselves, do not experience compromised renal function with reduced blood pressure, and have an increased risk for cerebrovascular events.
“These guidelines are not rigid, and should involve a discussion with the patient of the benefits and risks,” he said.
The new statement targets a blood pressure goal of less than 150/90 mm Hg for CAD patients who are more than 80 years old.
The new target for CAD patients represents something of a response to the blood pressure target of less than 150/90 mm Hg for people at least 60 years old recommended last year in recommendations made by the panel originally assembled as the Eighth Joint National Committee (JNC 8) (JAMA 2014;311:507-20). Although the JNC 8 recommendations aimed at the general population in a primary prevention setting, as opposed to CAD patients for whom secondary prevention is the goal, the target of less than 150/90 mm Hg became “highly controversial” and was a factor in composing the new recommendation, Dr. Rosendorff said. He also stressed that the AHA, ACC, and ASH have assembled a group that is formulating new recommendations for diagnosing and managing hypertension for the general population in a primary prevention setting that will come out sometime in the future.
The new hypertension guideline for CAD patients and the 2014 statement from the JNC 8 panel should be seen as distinct recommendations because they targeted different patient populations and because they were based on different ground rules for evidence, said Dr. Suzanne Oparil, one of three people who served on both writing groups. The JNC 8 group focused exclusively on findings from randomized, controlled trials that used hard cardiovascular disease endpoints. The writing committee for the new guidelines targeted specifically at CAD patients also considered evidence from epidemiologic studies. In addition, the new guidelines is targeted at primarily a cardiologist audience, while the 2014 JNC 8 guidelines were written primarily for primary care physicians, she said in an interview.
“I do not believe that the new CAD guidelines will change practice. They reflect what most cardiologists already do,” said Dr. Oparil, professor of medicine and director of the vascular biology and hypertension program at the University of Alabama, Birmingham.
Regarding antihypertensive drug selection the new statement endorses a focus on treating hypertensive patients with established CAD with a beta-blocker, a renin-angiotensin-aldosterone system blocker such as an ACE inhibitor or angiotensin-receptor blocker, and a thiazide or thiazide-like diuretic. Hypertensive patients with CAD should immediately start on all three drug classes, Dr. Rosendorff said.
“For patients with established CAD, a treatment with a beta-blocker moves from the limbo they are in for treating uncomplicated hypertension to center stage,” he said. The statement gives more detailed guidance on which specific drugs from the beta-blocker class have the best evidence for efficacy in various types of patients with CAD.
Dr. Rosendorff had no disclosures. Dr. Oparil has been a consultant to Bayer, Daiichi Sankyo, and Pfizer, and has received research grants from Medtronic, Merck, Novartis, and Takeda.
On Twitter @mitchelzoler
The first update to U.S. guidelines for managing hypertension in adult patients with coronary artery disease in 8 years reset the target blood pressure for most of these patients to less than 140/90 mm Hg, and highlighted beta-blockers, renin-angiotensin-aldosterone system blockers, and thiazide diuretics as the mainstays of drug treatment for these patients.
The main messages in the new scientific statement from the American Heart Association, American College of Cardiology, and American Society of Hypertension, released on March 31 in an article published online (Hypertension 2015 [doi:10.116/HYP.0000000000000018]) are the blood pressure targets set for patients with coronary artery disease (CAD) and the designations of the preferred drugs to use to achieve the blood pressure goals when lifestyle measures alone prove inadequate, said Dr. Clive Rosendorff, chair of the panel that wrote the new statement.
But the statement also highlighted that a blood pressure target of less than 130/80 mm Hg “could be considered” and was reasonable for selected CAD patients whom physicians judge capable of achieving this lower blood pressure level safely and who are at especially high risk for cerebrovascular events.
“We felt the best evidence [to prevent future cardiovascular events] was to reduce pressure below 140/90 mm Hg, but a goal pressure of less than 130/80 mm Hg may be appropriate in some cases; we left it to the discretion of physicians to decide which blood pressure target to choose,” said Dr. Rosendorff, professor of medicine at Mount Sinai Hospital in New York.
The default blood pressure goal of less than 140/90 for most CAD patients represented an increase from the less than 130/80 mm Hg goal set by the prior edition of this guideline, issued in 2007 (Circulation 2007;115:2761-88). Current evidence for the lower blood pressure target of less than 130/80 mm Hg “was not as strong,” Dr. Rosendorff said in an interview. He suggested that physicians consider using the lower target for patients who are younger, reasonably healthy, able to tolerate a regimen that brings them to a lower blood pressure without an increase in angina or other significant effects caused by the drugs themselves, do not experience compromised renal function with reduced blood pressure, and have an increased risk for cerebrovascular events.
“These guidelines are not rigid, and should involve a discussion with the patient of the benefits and risks,” he said.
The new statement targets a blood pressure goal of less than 150/90 mm Hg for CAD patients who are more than 80 years old.
The new target for CAD patients represents something of a response to the blood pressure target of less than 150/90 mm Hg for people at least 60 years old recommended last year in recommendations made by the panel originally assembled as the Eighth Joint National Committee (JNC 8) (JAMA 2014;311:507-20). Although the JNC 8 recommendations aimed at the general population in a primary prevention setting, as opposed to CAD patients for whom secondary prevention is the goal, the target of less than 150/90 mm Hg became “highly controversial” and was a factor in composing the new recommendation, Dr. Rosendorff said. He also stressed that the AHA, ACC, and ASH have assembled a group that is formulating new recommendations for diagnosing and managing hypertension for the general population in a primary prevention setting that will come out sometime in the future.
The new hypertension guideline for CAD patients and the 2014 statement from the JNC 8 panel should be seen as distinct recommendations because they targeted different patient populations and because they were based on different ground rules for evidence, said Dr. Suzanne Oparil, one of three people who served on both writing groups. The JNC 8 group focused exclusively on findings from randomized, controlled trials that used hard cardiovascular disease endpoints. The writing committee for the new guidelines targeted specifically at CAD patients also considered evidence from epidemiologic studies. In addition, the new guidelines is targeted at primarily a cardiologist audience, while the 2014 JNC 8 guidelines were written primarily for primary care physicians, she said in an interview.
“I do not believe that the new CAD guidelines will change practice. They reflect what most cardiologists already do,” said Dr. Oparil, professor of medicine and director of the vascular biology and hypertension program at the University of Alabama, Birmingham.
Regarding antihypertensive drug selection the new statement endorses a focus on treating hypertensive patients with established CAD with a beta-blocker, a renin-angiotensin-aldosterone system blocker such as an ACE inhibitor or angiotensin-receptor blocker, and a thiazide or thiazide-like diuretic. Hypertensive patients with CAD should immediately start on all three drug classes, Dr. Rosendorff said.
“For patients with established CAD, a treatment with a beta-blocker moves from the limbo they are in for treating uncomplicated hypertension to center stage,” he said. The statement gives more detailed guidance on which specific drugs from the beta-blocker class have the best evidence for efficacy in various types of patients with CAD.
Dr. Rosendorff had no disclosures. Dr. Oparil has been a consultant to Bayer, Daiichi Sankyo, and Pfizer, and has received research grants from Medtronic, Merck, Novartis, and Takeda.
On Twitter @mitchelzoler
FROM HYPERTENSION
ACP: Avoid ECG, MPI cardiac screening in low-risk patients
Clinicians should not screen for cardiac disease in asymptomatic, low-risk adults using resting or stress electrocardiography, stress echocardiography, or stress myocardial perfusion imaging , according to new guidelines from the American College of Physicians.
“There is no evidence that cardiac screening of low-risk adults with resting or stress ECG, stress echocardiography, or stress MPI improves outcomes, but it is associated with increased costs and potential harms,” wrote the guideline’s author, Dr. Roger Chou, associate professor of medicine at Oregon Health & Science University, Portland.
The recommendation is based on a systematic literature review, recommendations from the U.S. Preventive Services Task Force, and American College of Cardiology guidelines. The new ACP clinical guideline was published March 17 in Annals of Internal Medicine (doi: 10.7326/M14-1225).
“What we are saying here is that, as physicians, we have responsibility to understand what the pretest probability is, and what the likelihood is that someone actually has disease – and if it’s low enough, then doing the screening test is going to cause a lot more false positives than true positives,” Dr. Robert Centor, regional dean of the Huntsville Medical Campus of the University of Alabama at Birmingham, explained in an interview.
“Even if it is a true positive, there is no evidence that we can find that finding that heart disease will do anything other than lead someone to do a procedure that we have no evidence will improve their outcomes,” added Dr. Centor, chair of the ACP Board of Regents.
Despite existing recommendations to the contrary, physicians are increasingly performing these tests on low-risk patients, the ACP cautioned.
For example, a Consumer Reports survey found that “39% of asymptomatic adults without high blood pressure or a high cholesterol level reported having ECG within the past 5 years, and 12% reported undergoing exercise ECG,” Dr. Chou wrote in his report on behalf of the ACP High Value Care Task Force. More than half of those patients said their physicians recommended the tests as part of their routine health care.
The rise in the use of such tests is likely the result of a combination of factors, Dr. Centor said. Those factors include money (patients see no out-of-pocket cost and thus don’t consider the cost of tests in their decision making), direct-to-consumer advertising, fear on behalf of physicians that they might miss a diagnosis, and a lack of understanding by patients on the adverse effects of screening if they are at low risk for heart disease.
Dr. Chou identified a number of potential harms related to unnecessary screenings, including sudden death or hospitalization during stress tests; adverse events from pharmacologics used to induce stress; radiation exposure from myocardial perfusion imaging; false positive results that, in turn, lead to anxiety by the patient and additional unnecessary tests and treatments; disease labeling; and downstream harms from follow-up testing and interventions.
“To be most effective, efforts to reduce the use of imaging should be multifocal and should address clinician behavior, patient expectations, direct-to-consumer screening programs, and financial incentives,” Dr. Chou explained.
In low-risk patients, physicians instead should “focus on treating modifiable risk factors (such as smoking, diabetes, hypertension, hyperlipidemia, and overweight) and encouraging healthy levels of exercise,” according to the guideline.
Clinicians should not screen for cardiac disease in asymptomatic, low-risk adults using resting or stress electrocardiography, stress echocardiography, or stress myocardial perfusion imaging , according to new guidelines from the American College of Physicians.
“There is no evidence that cardiac screening of low-risk adults with resting or stress ECG, stress echocardiography, or stress MPI improves outcomes, but it is associated with increased costs and potential harms,” wrote the guideline’s author, Dr. Roger Chou, associate professor of medicine at Oregon Health & Science University, Portland.
The recommendation is based on a systematic literature review, recommendations from the U.S. Preventive Services Task Force, and American College of Cardiology guidelines. The new ACP clinical guideline was published March 17 in Annals of Internal Medicine (doi: 10.7326/M14-1225).
“What we are saying here is that, as physicians, we have responsibility to understand what the pretest probability is, and what the likelihood is that someone actually has disease – and if it’s low enough, then doing the screening test is going to cause a lot more false positives than true positives,” Dr. Robert Centor, regional dean of the Huntsville Medical Campus of the University of Alabama at Birmingham, explained in an interview.
“Even if it is a true positive, there is no evidence that we can find that finding that heart disease will do anything other than lead someone to do a procedure that we have no evidence will improve their outcomes,” added Dr. Centor, chair of the ACP Board of Regents.
Despite existing recommendations to the contrary, physicians are increasingly performing these tests on low-risk patients, the ACP cautioned.
For example, a Consumer Reports survey found that “39% of asymptomatic adults without high blood pressure or a high cholesterol level reported having ECG within the past 5 years, and 12% reported undergoing exercise ECG,” Dr. Chou wrote in his report on behalf of the ACP High Value Care Task Force. More than half of those patients said their physicians recommended the tests as part of their routine health care.
The rise in the use of such tests is likely the result of a combination of factors, Dr. Centor said. Those factors include money (patients see no out-of-pocket cost and thus don’t consider the cost of tests in their decision making), direct-to-consumer advertising, fear on behalf of physicians that they might miss a diagnosis, and a lack of understanding by patients on the adverse effects of screening if they are at low risk for heart disease.
Dr. Chou identified a number of potential harms related to unnecessary screenings, including sudden death or hospitalization during stress tests; adverse events from pharmacologics used to induce stress; radiation exposure from myocardial perfusion imaging; false positive results that, in turn, lead to anxiety by the patient and additional unnecessary tests and treatments; disease labeling; and downstream harms from follow-up testing and interventions.
“To be most effective, efforts to reduce the use of imaging should be multifocal and should address clinician behavior, patient expectations, direct-to-consumer screening programs, and financial incentives,” Dr. Chou explained.
In low-risk patients, physicians instead should “focus on treating modifiable risk factors (such as smoking, diabetes, hypertension, hyperlipidemia, and overweight) and encouraging healthy levels of exercise,” according to the guideline.
Clinicians should not screen for cardiac disease in asymptomatic, low-risk adults using resting or stress electrocardiography, stress echocardiography, or stress myocardial perfusion imaging , according to new guidelines from the American College of Physicians.
“There is no evidence that cardiac screening of low-risk adults with resting or stress ECG, stress echocardiography, or stress MPI improves outcomes, but it is associated with increased costs and potential harms,” wrote the guideline’s author, Dr. Roger Chou, associate professor of medicine at Oregon Health & Science University, Portland.
The recommendation is based on a systematic literature review, recommendations from the U.S. Preventive Services Task Force, and American College of Cardiology guidelines. The new ACP clinical guideline was published March 17 in Annals of Internal Medicine (doi: 10.7326/M14-1225).
“What we are saying here is that, as physicians, we have responsibility to understand what the pretest probability is, and what the likelihood is that someone actually has disease – and if it’s low enough, then doing the screening test is going to cause a lot more false positives than true positives,” Dr. Robert Centor, regional dean of the Huntsville Medical Campus of the University of Alabama at Birmingham, explained in an interview.
“Even if it is a true positive, there is no evidence that we can find that finding that heart disease will do anything other than lead someone to do a procedure that we have no evidence will improve their outcomes,” added Dr. Centor, chair of the ACP Board of Regents.
Despite existing recommendations to the contrary, physicians are increasingly performing these tests on low-risk patients, the ACP cautioned.
For example, a Consumer Reports survey found that “39% of asymptomatic adults without high blood pressure or a high cholesterol level reported having ECG within the past 5 years, and 12% reported undergoing exercise ECG,” Dr. Chou wrote in his report on behalf of the ACP High Value Care Task Force. More than half of those patients said their physicians recommended the tests as part of their routine health care.
The rise in the use of such tests is likely the result of a combination of factors, Dr. Centor said. Those factors include money (patients see no out-of-pocket cost and thus don’t consider the cost of tests in their decision making), direct-to-consumer advertising, fear on behalf of physicians that they might miss a diagnosis, and a lack of understanding by patients on the adverse effects of screening if they are at low risk for heart disease.
Dr. Chou identified a number of potential harms related to unnecessary screenings, including sudden death or hospitalization during stress tests; adverse events from pharmacologics used to induce stress; radiation exposure from myocardial perfusion imaging; false positive results that, in turn, lead to anxiety by the patient and additional unnecessary tests and treatments; disease labeling; and downstream harms from follow-up testing and interventions.
“To be most effective, efforts to reduce the use of imaging should be multifocal and should address clinician behavior, patient expectations, direct-to-consumer screening programs, and financial incentives,” Dr. Chou explained.
In low-risk patients, physicians instead should “focus on treating modifiable risk factors (such as smoking, diabetes, hypertension, hyperlipidemia, and overweight) and encouraging healthy levels of exercise,” according to the guideline.
FROM ANNALS OF INTERNAL MEDICINE
FDA guidance focuses on infections with reusable devices, including duodenoscopes
Recommendations to manufacturers about improving the safety of reusable medical devices and an upcoming advisory committee meeting on duodenoscope-associated infections are two efforts recently announced by the Food and Drug Administration that address the risks associated with reusable devices.
A final guidance document for industry on reprocessing reusable medical devices includes recommendations “aimed at helping device manufacturers develop safer reusable devices, especially those devices that pose a greater risk of infection,” according to the March 12 announcement. Also included in the guidance are criteria that should be met in instructions for reprocessing reusable devices, “to ensure users understand and correctly follow the reprocessing instructions,” and recommendations that manufacturers should consider “reprocessing challenges” at the early stages of the design of such devices.
The same announcement said that in mid-May, the FDA was convening a 2-day meeting of the agency’s Gastroenterology and Urology Devices Panel to discuss the recent reports of infections associated with the use of duodenoscopes in endoscopic retrograde cholangiopancreatography (ERCP) procedures in U.S. hospitals.
The announcement was issued less than a month after the agency alerted health care professionals and the public about the association with duodenoscopes and the transmission of multidrug-resistant bacterial infections in patients who had undergone ERCP procedures, despite proper cleaning and disinfection of the devices. Between January 2013 and December 2014, the agency received 75 medical device adverse event reports for about 135 patients in the United States “relating to possible microbial transmission from reprocessed duodenoscopes,” according to the safety communication issued by the FDA on Feb. 19.
These reports and cases described in the medical literature have occurred even when manufacturer instructions for cleaning and sterilization were followed.
“Although the complex design of duodenoscopes improves the efficiency and effectiveness of ERCP, it causes challenges for cleaning and high-level disinfection,” according to the statement, which pointed out that it can be difficult to access some parts of the duodenoscopes when they are cleaned. Problems include the “elevator” mechanism at the tip of the duodenoscope, which should be manually brushed, but a brush may not be able to reach microscopic crevices in this mechanism and “residual body fluids and organic debris may remain in these crevices after cleaning and disinfection,” possibly exposing patients to serious infections if the fluids are contaminated with microbes.
The infections reported include carbapenem-resistant Enterobacteriaceae (CRE), according to the first FDA statement, which did not mention whether any of the reports were fatal.
But on Feb. 18, the UCLA Health System announced that CRE may have been transmitted to seven patients during ERCP procedures, and may have contributed to the death of two of the patients. The two devices implicated in these cases are no longer used and the medical center has started to use a decontamination process “that goes above and beyond manufacturer and national standards” for the devices, the statement said. More than 100 patients who had an ERCP between October 2014 and January 2015 at UCLA have been notified they may have been infected with CRE.
The FDA statement includes recommendations for facilities and staff that reprocess duodenoscopes, for patients, and for health care professionals. One recommendation is to take a duodenoscope out of service if there is any suspicion it may be linked to a multidrug-resistant infection in a patient who has undergone ERCP.
In early March, another outbreak was reported at Cedars-Sinai Medical Center in Los Angeles, which announced that four patients who had undergone an ERCP procedure between August 2014 and January 2015 with the same duodenoscope had been infected with CRE, “despite the fact that Cedars-Sinai meticulously followed the disinfection procedure for duodenoscopes recommended in instructions provided by the manufacturer (Olympus Corporation) and the FDA.” This duodenoscope was the TJF-Q180 V model, a Cedars-Sinai spokesperson confirmed.
This particular duodenoscope has not yet been cleared for marketing, but has been used commercially, according to an FDA statement March 4 updating the duodenoscope-associated infection issue. The statement said that there was “no evidence” that the lack of clearance was associated with infections, and that the reported infections were associated with duodenoscopes from all three manufacturers of the devices used in the United States. In addition, the FDA statement noted that if the TJF-Q180 V duodenoscope was removed from the market, there may not be enough duodenoscopes to meet “the clinical demand in the United States of approximately 500,000 procedures per year.”
At the advisory panel meeting May 14-15, the FDA will ask the expert panel to discuss and make recommendations on various issues, including approaches that ensure patient safety during ERCP procedures and the effectiveness of the cleaning, disinfection, and sterilization procedures for duodenoscopes.
The FDA is asking health care professionals to report any infections possibly related to ERCP duodenoscopes to the manufacturers and the FDA’s MedWatch program.
The Centers for Disease Control and Prevention has provided an interim protocol for health care facilities, with information on monitoring for bacterial contamination of duodenoscopes after reprocessing and other reprocessing issues.
Recommendations to manufacturers about improving the safety of reusable medical devices and an upcoming advisory committee meeting on duodenoscope-associated infections are two efforts recently announced by the Food and Drug Administration that address the risks associated with reusable devices.
A final guidance document for industry on reprocessing reusable medical devices includes recommendations “aimed at helping device manufacturers develop safer reusable devices, especially those devices that pose a greater risk of infection,” according to the March 12 announcement. Also included in the guidance are criteria that should be met in instructions for reprocessing reusable devices, “to ensure users understand and correctly follow the reprocessing instructions,” and recommendations that manufacturers should consider “reprocessing challenges” at the early stages of the design of such devices.
The same announcement said that in mid-May, the FDA was convening a 2-day meeting of the agency’s Gastroenterology and Urology Devices Panel to discuss the recent reports of infections associated with the use of duodenoscopes in endoscopic retrograde cholangiopancreatography (ERCP) procedures in U.S. hospitals.
The announcement was issued less than a month after the agency alerted health care professionals and the public about the association with duodenoscopes and the transmission of multidrug-resistant bacterial infections in patients who had undergone ERCP procedures, despite proper cleaning and disinfection of the devices. Between January 2013 and December 2014, the agency received 75 medical device adverse event reports for about 135 patients in the United States “relating to possible microbial transmission from reprocessed duodenoscopes,” according to the safety communication issued by the FDA on Feb. 19.
These reports and cases described in the medical literature have occurred even when manufacturer instructions for cleaning and sterilization were followed.
“Although the complex design of duodenoscopes improves the efficiency and effectiveness of ERCP, it causes challenges for cleaning and high-level disinfection,” according to the statement, which pointed out that it can be difficult to access some parts of the duodenoscopes when they are cleaned. Problems include the “elevator” mechanism at the tip of the duodenoscope, which should be manually brushed, but a brush may not be able to reach microscopic crevices in this mechanism and “residual body fluids and organic debris may remain in these crevices after cleaning and disinfection,” possibly exposing patients to serious infections if the fluids are contaminated with microbes.
The infections reported include carbapenem-resistant Enterobacteriaceae (CRE), according to the first FDA statement, which did not mention whether any of the reports were fatal.
But on Feb. 18, the UCLA Health System announced that CRE may have been transmitted to seven patients during ERCP procedures, and may have contributed to the death of two of the patients. The two devices implicated in these cases are no longer used and the medical center has started to use a decontamination process “that goes above and beyond manufacturer and national standards” for the devices, the statement said. More than 100 patients who had an ERCP between October 2014 and January 2015 at UCLA have been notified they may have been infected with CRE.
The FDA statement includes recommendations for facilities and staff that reprocess duodenoscopes, for patients, and for health care professionals. One recommendation is to take a duodenoscope out of service if there is any suspicion it may be linked to a multidrug-resistant infection in a patient who has undergone ERCP.
In early March, another outbreak was reported at Cedars-Sinai Medical Center in Los Angeles, which announced that four patients who had undergone an ERCP procedure between August 2014 and January 2015 with the same duodenoscope had been infected with CRE, “despite the fact that Cedars-Sinai meticulously followed the disinfection procedure for duodenoscopes recommended in instructions provided by the manufacturer (Olympus Corporation) and the FDA.” This duodenoscope was the TJF-Q180 V model, a Cedars-Sinai spokesperson confirmed.
This particular duodenoscope has not yet been cleared for marketing, but has been used commercially, according to an FDA statement March 4 updating the duodenoscope-associated infection issue. The statement said that there was “no evidence” that the lack of clearance was associated with infections, and that the reported infections were associated with duodenoscopes from all three manufacturers of the devices used in the United States. In addition, the FDA statement noted that if the TJF-Q180 V duodenoscope was removed from the market, there may not be enough duodenoscopes to meet “the clinical demand in the United States of approximately 500,000 procedures per year.”
At the advisory panel meeting May 14-15, the FDA will ask the expert panel to discuss and make recommendations on various issues, including approaches that ensure patient safety during ERCP procedures and the effectiveness of the cleaning, disinfection, and sterilization procedures for duodenoscopes.
The FDA is asking health care professionals to report any infections possibly related to ERCP duodenoscopes to the manufacturers and the FDA’s MedWatch program.
The Centers for Disease Control and Prevention has provided an interim protocol for health care facilities, with information on monitoring for bacterial contamination of duodenoscopes after reprocessing and other reprocessing issues.
Recommendations to manufacturers about improving the safety of reusable medical devices and an upcoming advisory committee meeting on duodenoscope-associated infections are two efforts recently announced by the Food and Drug Administration that address the risks associated with reusable devices.
A final guidance document for industry on reprocessing reusable medical devices includes recommendations “aimed at helping device manufacturers develop safer reusable devices, especially those devices that pose a greater risk of infection,” according to the March 12 announcement. Also included in the guidance are criteria that should be met in instructions for reprocessing reusable devices, “to ensure users understand and correctly follow the reprocessing instructions,” and recommendations that manufacturers should consider “reprocessing challenges” at the early stages of the design of such devices.
The same announcement said that in mid-May, the FDA was convening a 2-day meeting of the agency’s Gastroenterology and Urology Devices Panel to discuss the recent reports of infections associated with the use of duodenoscopes in endoscopic retrograde cholangiopancreatography (ERCP) procedures in U.S. hospitals.
The announcement was issued less than a month after the agency alerted health care professionals and the public about the association with duodenoscopes and the transmission of multidrug-resistant bacterial infections in patients who had undergone ERCP procedures, despite proper cleaning and disinfection of the devices. Between January 2013 and December 2014, the agency received 75 medical device adverse event reports for about 135 patients in the United States “relating to possible microbial transmission from reprocessed duodenoscopes,” according to the safety communication issued by the FDA on Feb. 19.
These reports and cases described in the medical literature have occurred even when manufacturer instructions for cleaning and sterilization were followed.
“Although the complex design of duodenoscopes improves the efficiency and effectiveness of ERCP, it causes challenges for cleaning and high-level disinfection,” according to the statement, which pointed out that it can be difficult to access some parts of the duodenoscopes when they are cleaned. Problems include the “elevator” mechanism at the tip of the duodenoscope, which should be manually brushed, but a brush may not be able to reach microscopic crevices in this mechanism and “residual body fluids and organic debris may remain in these crevices after cleaning and disinfection,” possibly exposing patients to serious infections if the fluids are contaminated with microbes.
The infections reported include carbapenem-resistant Enterobacteriaceae (CRE), according to the first FDA statement, which did not mention whether any of the reports were fatal.
But on Feb. 18, the UCLA Health System announced that CRE may have been transmitted to seven patients during ERCP procedures, and may have contributed to the death of two of the patients. The two devices implicated in these cases are no longer used and the medical center has started to use a decontamination process “that goes above and beyond manufacturer and national standards” for the devices, the statement said. More than 100 patients who had an ERCP between October 2014 and January 2015 at UCLA have been notified they may have been infected with CRE.
The FDA statement includes recommendations for facilities and staff that reprocess duodenoscopes, for patients, and for health care professionals. One recommendation is to take a duodenoscope out of service if there is any suspicion it may be linked to a multidrug-resistant infection in a patient who has undergone ERCP.
In early March, another outbreak was reported at Cedars-Sinai Medical Center in Los Angeles, which announced that four patients who had undergone an ERCP procedure between August 2014 and January 2015 with the same duodenoscope had been infected with CRE, “despite the fact that Cedars-Sinai meticulously followed the disinfection procedure for duodenoscopes recommended in instructions provided by the manufacturer (Olympus Corporation) and the FDA.” This duodenoscope was the TJF-Q180 V model, a Cedars-Sinai spokesperson confirmed.
This particular duodenoscope has not yet been cleared for marketing, but has been used commercially, according to an FDA statement March 4 updating the duodenoscope-associated infection issue. The statement said that there was “no evidence” that the lack of clearance was associated with infections, and that the reported infections were associated with duodenoscopes from all three manufacturers of the devices used in the United States. In addition, the FDA statement noted that if the TJF-Q180 V duodenoscope was removed from the market, there may not be enough duodenoscopes to meet “the clinical demand in the United States of approximately 500,000 procedures per year.”
At the advisory panel meeting May 14-15, the FDA will ask the expert panel to discuss and make recommendations on various issues, including approaches that ensure patient safety during ERCP procedures and the effectiveness of the cleaning, disinfection, and sterilization procedures for duodenoscopes.
The FDA is asking health care professionals to report any infections possibly related to ERCP duodenoscopes to the manufacturers and the FDA’s MedWatch program.
The Centers for Disease Control and Prevention has provided an interim protocol for health care facilities, with information on monitoring for bacterial contamination of duodenoscopes after reprocessing and other reprocessing issues.
Guideline recommends combination therapy for smoking cessation in cancer patients
The National Comprehensive Cancer Network has published a new guideline on smoking cessation for cancer patients that recommends combining pharmacologic therapy with counseling as the most effective approach, along with rigorous review and close follow-ups to prevent relapses.
“Although the medical community recognizes the importance of smoking cessation, supporting patients in ceasing to smoke is generally not done well. Our hope is that by addressing smoking cessation in a cancer patient population, we can make it easier for oncologists to effectively support their patients in achieving their smoking cessation goals,” Dr. Peter Shields, deputy director of the Ohio State University Comprehensive Cancer Center, said in a written statement. Of the estimated 590,000 cancer deaths in 2015, about 170,000, or nearly 30%, will be caused by tobacco smoking. Quitting tobacco improves cancer treatment effectiveness and reduces cancer recurrence, according to the NCCN.
Read the full statement on the NCCN website.
The National Comprehensive Cancer Network has published a new guideline on smoking cessation for cancer patients that recommends combining pharmacologic therapy with counseling as the most effective approach, along with rigorous review and close follow-ups to prevent relapses.
“Although the medical community recognizes the importance of smoking cessation, supporting patients in ceasing to smoke is generally not done well. Our hope is that by addressing smoking cessation in a cancer patient population, we can make it easier for oncologists to effectively support their patients in achieving their smoking cessation goals,” Dr. Peter Shields, deputy director of the Ohio State University Comprehensive Cancer Center, said in a written statement. Of the estimated 590,000 cancer deaths in 2015, about 170,000, or nearly 30%, will be caused by tobacco smoking. Quitting tobacco improves cancer treatment effectiveness and reduces cancer recurrence, according to the NCCN.
Read the full statement on the NCCN website.
The National Comprehensive Cancer Network has published a new guideline on smoking cessation for cancer patients that recommends combining pharmacologic therapy with counseling as the most effective approach, along with rigorous review and close follow-ups to prevent relapses.
“Although the medical community recognizes the importance of smoking cessation, supporting patients in ceasing to smoke is generally not done well. Our hope is that by addressing smoking cessation in a cancer patient population, we can make it easier for oncologists to effectively support their patients in achieving their smoking cessation goals,” Dr. Peter Shields, deputy director of the Ohio State University Comprehensive Cancer Center, said in a written statement. Of the estimated 590,000 cancer deaths in 2015, about 170,000, or nearly 30%, will be caused by tobacco smoking. Quitting tobacco improves cancer treatment effectiveness and reduces cancer recurrence, according to the NCCN.
Read the full statement on the NCCN website.
Statins for all eligible under new guidelines could save lives
BALTIMORE – If all Americans eligible for statins under new American College of Cardiology/American Heart Association guidelines actually took them, thousands of deaths per year from cardiovascular disease might be prevented but at a cost of increased incidence of diabetes and myopathy.
The 2013 ACC/AHA guidelines expand criteria for the use of statins for primary prevention of CVD to more Americans (Circulation 2015;131:A05). Compliance with those guidelines would save 7,930 lives per year that would have been lost to CVD, according to Quanhe Yang, Ph.D., of the Centers for Disease Control and Prevention’s Division for Heart Disease and Stroke Prevention, and colleagues from the CDC and Emory University, Atlanta. Dr. Yang presented the findings at the American Heart Association Epidemiology and Prevention, Lifestyle and Cardiometabolic Health 2015 Scientific Sessions.
Statins are now indicated for primary prevention of CVD for anyone with an LDL cholesterol level greater than or equal to 190 mg/dL, for individuals aged 40-75 years with diabetes, and for those aged 40-75 years with LDL cholesterol greater than or equal to 70 mg/dL but less than 190 mg/dL who have at least a 7.5% estimated 10-year risk of developing atherosclerotic CVD. This means that an additional 24.2 million Americans are now eligible for statins but are not taking one, according to Dr. Yang and coinvestigators. However, “no study has assessed the potential impact of statin therapy under the new guidelines,” said Dr. Yang.
In order to obtain treatment group-specific atherosclerotic CVD, investigators first estimated hazard ratios for each treatment group by sex from the National Health and Nutrition Examination Survey III (NHANES III)–linked Mortality files. These hazard ratios were then applied to data from NHANES 2005-2010, the 2010 Multiple Cause of Death file, and the 2010 U.S. census to obtain age/race/sex-specific atherosclerotic CVD for each treatment group.
Applying the per-group hazard ratios, Dr. Yang and colleagues calculated that an annual 7,930 atherosclerotic CVD deaths would be prevented with full statin compliance, a reduction of 12.6%. However, modeling predicted an additional 16,400 additional cases of diabetes caused by statin use, he cautioned. More cases of myopathy would also occur, though the estimated number depends on whether the rate is derived from randomized, controlled trials (RCTs) or from population-based reports of myopathy. If the RCT data are used, just 1,510 excess cases of myopathy would be seen, in contrast to the 36,100 cases predicted by population-based data.
The study could model deaths caused by CVD only and not the reduction in disease burden of CVD that would result if all of the additional 24.2 million Americans took a statin, Dr Yang noted. Other limitations of the study included the lack of agreement in incidence of myopathy between RCTs and population-based studies, as well as the likelihood that the risk of diabetes increases with age and higher statin dose – effects not accounted for in the study.
Questioning after the talk focused on sex-specific differences in statin takers. For example, statin-associated diabetes is more common in women than men, another effect not accounted for in the study’s modeling, noted an audience member. Additionally, given that women have been underrepresented in clinical trials in general and in those for CVD in particular, some modeling assumptions in the present study may also lack full generalizability to women at risk for CVD.
BALTIMORE – If all Americans eligible for statins under new American College of Cardiology/American Heart Association guidelines actually took them, thousands of deaths per year from cardiovascular disease might be prevented but at a cost of increased incidence of diabetes and myopathy.
The 2013 ACC/AHA guidelines expand criteria for the use of statins for primary prevention of CVD to more Americans (Circulation 2015;131:A05). Compliance with those guidelines would save 7,930 lives per year that would have been lost to CVD, according to Quanhe Yang, Ph.D., of the Centers for Disease Control and Prevention’s Division for Heart Disease and Stroke Prevention, and colleagues from the CDC and Emory University, Atlanta. Dr. Yang presented the findings at the American Heart Association Epidemiology and Prevention, Lifestyle and Cardiometabolic Health 2015 Scientific Sessions.
Statins are now indicated for primary prevention of CVD for anyone with an LDL cholesterol level greater than or equal to 190 mg/dL, for individuals aged 40-75 years with diabetes, and for those aged 40-75 years with LDL cholesterol greater than or equal to 70 mg/dL but less than 190 mg/dL who have at least a 7.5% estimated 10-year risk of developing atherosclerotic CVD. This means that an additional 24.2 million Americans are now eligible for statins but are not taking one, according to Dr. Yang and coinvestigators. However, “no study has assessed the potential impact of statin therapy under the new guidelines,” said Dr. Yang.
In order to obtain treatment group-specific atherosclerotic CVD, investigators first estimated hazard ratios for each treatment group by sex from the National Health and Nutrition Examination Survey III (NHANES III)–linked Mortality files. These hazard ratios were then applied to data from NHANES 2005-2010, the 2010 Multiple Cause of Death file, and the 2010 U.S. census to obtain age/race/sex-specific atherosclerotic CVD for each treatment group.
Applying the per-group hazard ratios, Dr. Yang and colleagues calculated that an annual 7,930 atherosclerotic CVD deaths would be prevented with full statin compliance, a reduction of 12.6%. However, modeling predicted an additional 16,400 additional cases of diabetes caused by statin use, he cautioned. More cases of myopathy would also occur, though the estimated number depends on whether the rate is derived from randomized, controlled trials (RCTs) or from population-based reports of myopathy. If the RCT data are used, just 1,510 excess cases of myopathy would be seen, in contrast to the 36,100 cases predicted by population-based data.
The study could model deaths caused by CVD only and not the reduction in disease burden of CVD that would result if all of the additional 24.2 million Americans took a statin, Dr Yang noted. Other limitations of the study included the lack of agreement in incidence of myopathy between RCTs and population-based studies, as well as the likelihood that the risk of diabetes increases with age and higher statin dose – effects not accounted for in the study.
Questioning after the talk focused on sex-specific differences in statin takers. For example, statin-associated diabetes is more common in women than men, another effect not accounted for in the study’s modeling, noted an audience member. Additionally, given that women have been underrepresented in clinical trials in general and in those for CVD in particular, some modeling assumptions in the present study may also lack full generalizability to women at risk for CVD.
BALTIMORE – If all Americans eligible for statins under new American College of Cardiology/American Heart Association guidelines actually took them, thousands of deaths per year from cardiovascular disease might be prevented but at a cost of increased incidence of diabetes and myopathy.
The 2013 ACC/AHA guidelines expand criteria for the use of statins for primary prevention of CVD to more Americans (Circulation 2015;131:A05). Compliance with those guidelines would save 7,930 lives per year that would have been lost to CVD, according to Quanhe Yang, Ph.D., of the Centers for Disease Control and Prevention’s Division for Heart Disease and Stroke Prevention, and colleagues from the CDC and Emory University, Atlanta. Dr. Yang presented the findings at the American Heart Association Epidemiology and Prevention, Lifestyle and Cardiometabolic Health 2015 Scientific Sessions.
Statins are now indicated for primary prevention of CVD for anyone with an LDL cholesterol level greater than or equal to 190 mg/dL, for individuals aged 40-75 years with diabetes, and for those aged 40-75 years with LDL cholesterol greater than or equal to 70 mg/dL but less than 190 mg/dL who have at least a 7.5% estimated 10-year risk of developing atherosclerotic CVD. This means that an additional 24.2 million Americans are now eligible for statins but are not taking one, according to Dr. Yang and coinvestigators. However, “no study has assessed the potential impact of statin therapy under the new guidelines,” said Dr. Yang.
In order to obtain treatment group-specific atherosclerotic CVD, investigators first estimated hazard ratios for each treatment group by sex from the National Health and Nutrition Examination Survey III (NHANES III)–linked Mortality files. These hazard ratios were then applied to data from NHANES 2005-2010, the 2010 Multiple Cause of Death file, and the 2010 U.S. census to obtain age/race/sex-specific atherosclerotic CVD for each treatment group.
Applying the per-group hazard ratios, Dr. Yang and colleagues calculated that an annual 7,930 atherosclerotic CVD deaths would be prevented with full statin compliance, a reduction of 12.6%. However, modeling predicted an additional 16,400 additional cases of diabetes caused by statin use, he cautioned. More cases of myopathy would also occur, though the estimated number depends on whether the rate is derived from randomized, controlled trials (RCTs) or from population-based reports of myopathy. If the RCT data are used, just 1,510 excess cases of myopathy would be seen, in contrast to the 36,100 cases predicted by population-based data.
The study could model deaths caused by CVD only and not the reduction in disease burden of CVD that would result if all of the additional 24.2 million Americans took a statin, Dr Yang noted. Other limitations of the study included the lack of agreement in incidence of myopathy between RCTs and population-based studies, as well as the likelihood that the risk of diabetes increases with age and higher statin dose – effects not accounted for in the study.
Questioning after the talk focused on sex-specific differences in statin takers. For example, statin-associated diabetes is more common in women than men, another effect not accounted for in the study’s modeling, noted an audience member. Additionally, given that women have been underrepresented in clinical trials in general and in those for CVD in particular, some modeling assumptions in the present study may also lack full generalizability to women at risk for CVD.
AT AHA EPI/LIFESTYLE 2015MEETING
Key clinical point: New statin guidelines, if followed, could save lives but increase cases of myopathy and diabetes.
Major finding: Up to 12.6% of current deaths from CVD could be prevented if all guideline-eligible Americans took statins; saving of these lives would come at the cost of excess cases of diabetes and myopathy.
Data source: Analysis of U.S. census data and data from the NHANES study, together with meta-analysis of RCTs, used to model outcomes for 100% guideline-eligible statin use.
Disclosures: No authors reported financial disclosures.
Latest valvular disease guidelines bring big changes
SNOWMASS, COLO. – The 2014 American Heart Association/American College of Cardiology guidelines for the management of valvular heart disease break new ground in numerous ways, Dr. Rick A. Nishimura said at the Annual Cardiovascular Conference at Snowmass.
“We needed to do things differently. These guidelines were created in a different format from prior valvular heart disease guidelines. We wanted these guidelines to promote access to concise, relevant bytes of information at the point of care,” explained Dr. Nishimura, professor of medicine at the Mayo Clinic in Rochester, Minn., and cochair of the guidelines writing committee.
These guidelines – the first major revision in 8 years – introduce a new taxonomy and the first staging system for valvular heart disease. The guidelines also lower the threshold for intervention in asymptomatic patients, recommending surgical or catheter-based treatment at an earlier point in the disease process than ever before. And the guidelines introduce the concept of heart valve centers of excellence, offering a strong recommendation that patients be referred to those centers for procedures to be performed in the asymptomatic phase of disease (J. Am. Coll. Cardiol. 2014;63:2438-88).
These valvular heart disease guidelines place greater emphasis than before on the quality of the scientific evidence underlying recommendations. Since valvular heart disease is a field with a paucity of randomized trials, that meant cutting back.
“Our goal was, if there’s little evidence, don’t write a recommendation. So the number of recommendations went down, but at least the ones that were made were based on evidence,” the cardiologist noted.
Indeed, in the 2006 guidelines, more than 70% of the recommendations were Level of Evidence C and based solely upon expert opinion; in the new guidelines, that’s true for less than 50%. And the proportion of recommendations that are Level of Evidence B increased from 30% to 45%.
The 2014 update was prompted by huge changes in the field of valvular heart disease since 2006. For example, better data became available on the natural history of valvular heart disease. The old concept was not to operate on the asymptomatic patient with severe aortic stenosis and normal left ventricular function, but more recent natural history studies have shown that, left untreated, 72% of such patients will die or develop symptoms within 5 years.
So there has been a push to intervene earlier. Fortunately, that became doable, as recent years also brought improved noninvasive imaging, new catheter-based interventions, and refined surgical methods, enabling operators to safely lower the threshold for intervention in asymptomatic patients while at the same time extending procedural therapies to older, sicker populations.
Dr. Nishimura predicted that cardiologists and surgeons will find the new staging system clinically useful. The four stages, A-D, define the categories “at risk,” “progressive,” “asymptomatic severe,” and “symptomatic severe,” respectively. These categories are particularly helpful in determining how often to schedule patient follow-up and when to time intervention.
The guidelines recommend observation for patients who are Stage A or B and intervention when reasonable in patients who are Stage C2 or D. What bumps a patient with hemodynamically severe yet asymptomatic mitral regurgitation from Stage C1 to C2 is an left ventricular ejection fraction below 60% or a left ventricular end systolic dimension of 40 mm or more. In the setting of asymptomatic aortic stenosis, it’s a peak aortic valve velocity of 4.0 m/sec on Doppler echocardiography plus an LVEF of less than 50%.
The latest guidelines introduced the concept of heart valve centers of excellence in response to evidence of large variability across the country in terms of experience with valve operations. For example, the majority of centers perform fewer than 40 mitral valve repairs per year, and surgeons who perform mitral operations do a median of just five per year. The guideline committee, which included general and interventional cardiologists, surgeons, anesthesiologists, and imaging experts, was persuaded that those numbers are not sufficient to achieve optimal results in complex valve operations for asymptomatic patients.
The criteria for qualifying as a heart valve center of excellence, as defined in the guidelines, include having a multidisciplinary heart valve team, high patient volume, high-level surgical experience and expertise in complex valve procedures, and active participation in multicenter data registries and continuous quality improvement processes.
“The most important thing is you have to be very transparent with your data,” according to the cardiologist.
Ultimately, the most far-reaching change introduced in the current valvular heart disease guidelines is the switch from textbook format to what Dr. Nishimura calls structured data knowledge management.
“The AHA/ACC clinical practice guidelines are generally recognized as the flagship of U.S. cardiovascular medicine, but they’re like a library of old books. Clinically valuable knowledge is buried within documents that can be 200 pages long. What we need at the point of care is the gist: concise, relevant bytes of information that answer a specific clinical question, synthesized by experts,” Dr. Nishimura said.
The new approach is designed to counter the information overload that plagues contemporary medical practice. Each recommendation in the current valvular heart disease guidelines addresses a specific clinical question via a brief summary statement followed by a short explanatory paragraph, with accompanying references for those who seek additional details. This new format is designed to lead AHA/ACC clinical practice guidelines into the electronic information management future.
“In the future, you’ll go to your iPad or iPhone or whatever, type in search terms such as ‘anticoagulation for mechanical valves during pregnancy,’ and it will take you straight to the relevant knowledge byte. You can then click on ‘more’ and find out more and get to the supporting evidence tables. The knowledge chunks will be stored in a centralized knowledge management system. The nice thing about this is that it will be a living document that can easily be updated, instead of having to wait 8 years for a new version,” Dr. Nishimura explained.
He reported having no financial conflicts of interest.
SNOWMASS, COLO. – The 2014 American Heart Association/American College of Cardiology guidelines for the management of valvular heart disease break new ground in numerous ways, Dr. Rick A. Nishimura said at the Annual Cardiovascular Conference at Snowmass.
“We needed to do things differently. These guidelines were created in a different format from prior valvular heart disease guidelines. We wanted these guidelines to promote access to concise, relevant bytes of information at the point of care,” explained Dr. Nishimura, professor of medicine at the Mayo Clinic in Rochester, Minn., and cochair of the guidelines writing committee.
These guidelines – the first major revision in 8 years – introduce a new taxonomy and the first staging system for valvular heart disease. The guidelines also lower the threshold for intervention in asymptomatic patients, recommending surgical or catheter-based treatment at an earlier point in the disease process than ever before. And the guidelines introduce the concept of heart valve centers of excellence, offering a strong recommendation that patients be referred to those centers for procedures to be performed in the asymptomatic phase of disease (J. Am. Coll. Cardiol. 2014;63:2438-88).
These valvular heart disease guidelines place greater emphasis than before on the quality of the scientific evidence underlying recommendations. Since valvular heart disease is a field with a paucity of randomized trials, that meant cutting back.
“Our goal was, if there’s little evidence, don’t write a recommendation. So the number of recommendations went down, but at least the ones that were made were based on evidence,” the cardiologist noted.
Indeed, in the 2006 guidelines, more than 70% of the recommendations were Level of Evidence C and based solely upon expert opinion; in the new guidelines, that’s true for less than 50%. And the proportion of recommendations that are Level of Evidence B increased from 30% to 45%.
The 2014 update was prompted by huge changes in the field of valvular heart disease since 2006. For example, better data became available on the natural history of valvular heart disease. The old concept was not to operate on the asymptomatic patient with severe aortic stenosis and normal left ventricular function, but more recent natural history studies have shown that, left untreated, 72% of such patients will die or develop symptoms within 5 years.
So there has been a push to intervene earlier. Fortunately, that became doable, as recent years also brought improved noninvasive imaging, new catheter-based interventions, and refined surgical methods, enabling operators to safely lower the threshold for intervention in asymptomatic patients while at the same time extending procedural therapies to older, sicker populations.
Dr. Nishimura predicted that cardiologists and surgeons will find the new staging system clinically useful. The four stages, A-D, define the categories “at risk,” “progressive,” “asymptomatic severe,” and “symptomatic severe,” respectively. These categories are particularly helpful in determining how often to schedule patient follow-up and when to time intervention.
The guidelines recommend observation for patients who are Stage A or B and intervention when reasonable in patients who are Stage C2 or D. What bumps a patient with hemodynamically severe yet asymptomatic mitral regurgitation from Stage C1 to C2 is an left ventricular ejection fraction below 60% or a left ventricular end systolic dimension of 40 mm or more. In the setting of asymptomatic aortic stenosis, it’s a peak aortic valve velocity of 4.0 m/sec on Doppler echocardiography plus an LVEF of less than 50%.
The latest guidelines introduced the concept of heart valve centers of excellence in response to evidence of large variability across the country in terms of experience with valve operations. For example, the majority of centers perform fewer than 40 mitral valve repairs per year, and surgeons who perform mitral operations do a median of just five per year. The guideline committee, which included general and interventional cardiologists, surgeons, anesthesiologists, and imaging experts, was persuaded that those numbers are not sufficient to achieve optimal results in complex valve operations for asymptomatic patients.
The criteria for qualifying as a heart valve center of excellence, as defined in the guidelines, include having a multidisciplinary heart valve team, high patient volume, high-level surgical experience and expertise in complex valve procedures, and active participation in multicenter data registries and continuous quality improvement processes.
“The most important thing is you have to be very transparent with your data,” according to the cardiologist.
Ultimately, the most far-reaching change introduced in the current valvular heart disease guidelines is the switch from textbook format to what Dr. Nishimura calls structured data knowledge management.
“The AHA/ACC clinical practice guidelines are generally recognized as the flagship of U.S. cardiovascular medicine, but they’re like a library of old books. Clinically valuable knowledge is buried within documents that can be 200 pages long. What we need at the point of care is the gist: concise, relevant bytes of information that answer a specific clinical question, synthesized by experts,” Dr. Nishimura said.
The new approach is designed to counter the information overload that plagues contemporary medical practice. Each recommendation in the current valvular heart disease guidelines addresses a specific clinical question via a brief summary statement followed by a short explanatory paragraph, with accompanying references for those who seek additional details. This new format is designed to lead AHA/ACC clinical practice guidelines into the electronic information management future.
“In the future, you’ll go to your iPad or iPhone or whatever, type in search terms such as ‘anticoagulation for mechanical valves during pregnancy,’ and it will take you straight to the relevant knowledge byte. You can then click on ‘more’ and find out more and get to the supporting evidence tables. The knowledge chunks will be stored in a centralized knowledge management system. The nice thing about this is that it will be a living document that can easily be updated, instead of having to wait 8 years for a new version,” Dr. Nishimura explained.
He reported having no financial conflicts of interest.
SNOWMASS, COLO. – The 2014 American Heart Association/American College of Cardiology guidelines for the management of valvular heart disease break new ground in numerous ways, Dr. Rick A. Nishimura said at the Annual Cardiovascular Conference at Snowmass.
“We needed to do things differently. These guidelines were created in a different format from prior valvular heart disease guidelines. We wanted these guidelines to promote access to concise, relevant bytes of information at the point of care,” explained Dr. Nishimura, professor of medicine at the Mayo Clinic in Rochester, Minn., and cochair of the guidelines writing committee.
These guidelines – the first major revision in 8 years – introduce a new taxonomy and the first staging system for valvular heart disease. The guidelines also lower the threshold for intervention in asymptomatic patients, recommending surgical or catheter-based treatment at an earlier point in the disease process than ever before. And the guidelines introduce the concept of heart valve centers of excellence, offering a strong recommendation that patients be referred to those centers for procedures to be performed in the asymptomatic phase of disease (J. Am. Coll. Cardiol. 2014;63:2438-88).
These valvular heart disease guidelines place greater emphasis than before on the quality of the scientific evidence underlying recommendations. Since valvular heart disease is a field with a paucity of randomized trials, that meant cutting back.
“Our goal was, if there’s little evidence, don’t write a recommendation. So the number of recommendations went down, but at least the ones that were made were based on evidence,” the cardiologist noted.
Indeed, in the 2006 guidelines, more than 70% of the recommendations were Level of Evidence C and based solely upon expert opinion; in the new guidelines, that’s true for less than 50%. And the proportion of recommendations that are Level of Evidence B increased from 30% to 45%.
The 2014 update was prompted by huge changes in the field of valvular heart disease since 2006. For example, better data became available on the natural history of valvular heart disease. The old concept was not to operate on the asymptomatic patient with severe aortic stenosis and normal left ventricular function, but more recent natural history studies have shown that, left untreated, 72% of such patients will die or develop symptoms within 5 years.
So there has been a push to intervene earlier. Fortunately, that became doable, as recent years also brought improved noninvasive imaging, new catheter-based interventions, and refined surgical methods, enabling operators to safely lower the threshold for intervention in asymptomatic patients while at the same time extending procedural therapies to older, sicker populations.
Dr. Nishimura predicted that cardiologists and surgeons will find the new staging system clinically useful. The four stages, A-D, define the categories “at risk,” “progressive,” “asymptomatic severe,” and “symptomatic severe,” respectively. These categories are particularly helpful in determining how often to schedule patient follow-up and when to time intervention.
The guidelines recommend observation for patients who are Stage A or B and intervention when reasonable in patients who are Stage C2 or D. What bumps a patient with hemodynamically severe yet asymptomatic mitral regurgitation from Stage C1 to C2 is an left ventricular ejection fraction below 60% or a left ventricular end systolic dimension of 40 mm or more. In the setting of asymptomatic aortic stenosis, it’s a peak aortic valve velocity of 4.0 m/sec on Doppler echocardiography plus an LVEF of less than 50%.
The latest guidelines introduced the concept of heart valve centers of excellence in response to evidence of large variability across the country in terms of experience with valve operations. For example, the majority of centers perform fewer than 40 mitral valve repairs per year, and surgeons who perform mitral operations do a median of just five per year. The guideline committee, which included general and interventional cardiologists, surgeons, anesthesiologists, and imaging experts, was persuaded that those numbers are not sufficient to achieve optimal results in complex valve operations for asymptomatic patients.
The criteria for qualifying as a heart valve center of excellence, as defined in the guidelines, include having a multidisciplinary heart valve team, high patient volume, high-level surgical experience and expertise in complex valve procedures, and active participation in multicenter data registries and continuous quality improvement processes.
“The most important thing is you have to be very transparent with your data,” according to the cardiologist.
Ultimately, the most far-reaching change introduced in the current valvular heart disease guidelines is the switch from textbook format to what Dr. Nishimura calls structured data knowledge management.
“The AHA/ACC clinical practice guidelines are generally recognized as the flagship of U.S. cardiovascular medicine, but they’re like a library of old books. Clinically valuable knowledge is buried within documents that can be 200 pages long. What we need at the point of care is the gist: concise, relevant bytes of information that answer a specific clinical question, synthesized by experts,” Dr. Nishimura said.
The new approach is designed to counter the information overload that plagues contemporary medical practice. Each recommendation in the current valvular heart disease guidelines addresses a specific clinical question via a brief summary statement followed by a short explanatory paragraph, with accompanying references for those who seek additional details. This new format is designed to lead AHA/ACC clinical practice guidelines into the electronic information management future.
“In the future, you’ll go to your iPad or iPhone or whatever, type in search terms such as ‘anticoagulation for mechanical valves during pregnancy,’ and it will take you straight to the relevant knowledge byte. You can then click on ‘more’ and find out more and get to the supporting evidence tables. The knowledge chunks will be stored in a centralized knowledge management system. The nice thing about this is that it will be a living document that can easily be updated, instead of having to wait 8 years for a new version,” Dr. Nishimura explained.
He reported having no financial conflicts of interest.
EXPERT ANALYSIS FROM THE CARDIOVASCULAR CONFERENCE AT SNOWMASS
ACP guidelines for preventing, treating pressure ulcers
Alternating-air and low-air-loss mattresses and overlays have little data to support their use for preventing or treating pressure ulcers, the Clinical Guidelines Committee of the American College of Physicians has concluded.
Many U.S. acute-care hospitals, home caregivers, and long-term nursing facilities use alternating-air and low-air-loss mattresses and overlays, even though the evidence in favor of using these surfaces is sparse and of poor quality, the guideline writers said.
The devices have not been show to actually reduce pressure ulcers. The harms have been poorly reported but could be significant. “Using these support systems is expensive and adds unnecessary burden on the health care system. Based on a review of the current evidence, lower-cost support surfaces should be the preferred approach to care,” Dr. Amir Qaseem, of the ACP, Philadelphia, and his associates wrote.
The committee performed an extensive review of the literature on pressure ulcers and compiled two Clinical Practice Guidelines – one concerning prevention (Ann. Intern. Med. 2015;162 [doi:10.7326/M14-1567]) and the other concerning treatment (Ann. Intern. Med. 2015;162 [doi:10.7326/M14-1568]) – in part because “a growing industry” has developed in recent years and aggressively pitches a wide array of products for this patient population. The guidelines present the available evidence on the comparative effectiveness of tools and strategies but state repeatedly that evidence regarding pressure ulcers is sparse and of poor quality.
The prevention guideline strongly recommends that clinicians choose advanced static mattresses or advanced static overlays rather than standard hospital mattresses for at-risk patients. Static mattresses and advanced static overlays provide a constant level of inflation or support and evenly distribute body weight. These products are among the few actually shown to reduce the incidence of pressure ulcers. They are also preferable to alternating-air mattresses and overlays, which change the distribution of pressure by inflating or deflating cells within the devices, and to low-air-loss mattresses and overlays, which use flowing air to regulate heat and humidity and adjust pressure.
Evidence is similarly poor or lacking concerning the use of other support surfaces such as heel supports or boots and a variety of wheelchair cushions. Also lacking evidence are other preventive interventions that extend beyond “usual care,” such as different types of repositioning schemes, a variety of leg elevations, various nutritional supplements, and a wide variety of skin care strategies and topical treatments.
The prevention guideline advises patient assessments to identify those at risk of developing pressure ulcers. However, there is not enough evidence to demonstrate that any one of the many risk assessment tools for this purpose is superior to the others, nor that any of these tools is superior to simple clinical judgment. Risk factors for pressure ulcers include older age; black race or Hispanic ethnicity; low body weight; cognitive impairment; physical impairments; and comorbid conditions that may affect soft-tissue integrity and healing, such as urinary or fecal incontinence, diabetes, edema, impaired microcirculation, hypoalbuminemia, and malnutrition, Dr. Qaseem and his associates wrote (Ann. Intern. Med. 2015 March 2 [doi:10.7326/M14-1567]).
The treatment guideline for patients who already have pressure ulcers similarly notes that the lack of evidence for advanced support surfaces such as alternating-air and low-air-loss mattresses and overlays. It similarly recommends advanced static mattresses or overlays for these patients.
The treatment guideline recommends protein or amino acid supplements as well as hydrocolloid or foam dressings to reduce wound size, and electrical stimulation to accelerate wound healing. The evidence for these recommendations is “weak” and of low- to moderate-quality, Dr. Qaseem and his associates said (Ann. Intern. Med. 2015 March 2 [doi:10.7326/M14-1568]).
The evidence for the safety and efficacy of hyperbaric oxygen therapy, even though it is often used to treat pressure ulcers in hospitals, is similarly inconclusive. Also lacking good-quality evidence are the use of alternating-air chair cushions, three-dimensional polyester overlays, zinc supplements, L-carnosine supplements, wound dressings other than the ones already discussed, debriding enzymes, topical phenytoin, maggot therapy, biological agents other than platelet-derived growth factor, or hydrotherapy in which wounds are cleaned using a whirlpool or pulsed lavage.
These guidelines emphasize the dire need for good science to guide both prevention and treatment of pressure ulcers. Despite the ubiquity of pressure ulcers and their potential to threaten life and limb, clinical management varies greatly. Most of the research in this field to date has been underpowered and focused on early signs of healing rather than on more definitive outcomes.
Joyce Black, Ph.D., R.N., is at the University of Nebraska Medical Center, Omaha. Her financial disclosures are available at www.acponline.org. Dr. Black made these remarks in an editorial accompanying the ACP Clinical Practice Guidelines on prevention and treatment of pressure ulcers (Ann. Intern. Med. 2015 March 2 [doi:10.1326/M15-0190]).
These guidelines emphasize the dire need for good science to guide both prevention and treatment of pressure ulcers. Despite the ubiquity of pressure ulcers and their potential to threaten life and limb, clinical management varies greatly. Most of the research in this field to date has been underpowered and focused on early signs of healing rather than on more definitive outcomes.
Joyce Black, Ph.D., R.N., is at the University of Nebraska Medical Center, Omaha. Her financial disclosures are available at www.acponline.org. Dr. Black made these remarks in an editorial accompanying the ACP Clinical Practice Guidelines on prevention and treatment of pressure ulcers (Ann. Intern. Med. 2015 March 2 [doi:10.1326/M15-0190]).
These guidelines emphasize the dire need for good science to guide both prevention and treatment of pressure ulcers. Despite the ubiquity of pressure ulcers and their potential to threaten life and limb, clinical management varies greatly. Most of the research in this field to date has been underpowered and focused on early signs of healing rather than on more definitive outcomes.
Joyce Black, Ph.D., R.N., is at the University of Nebraska Medical Center, Omaha. Her financial disclosures are available at www.acponline.org. Dr. Black made these remarks in an editorial accompanying the ACP Clinical Practice Guidelines on prevention and treatment of pressure ulcers (Ann. Intern. Med. 2015 March 2 [doi:10.1326/M15-0190]).
Alternating-air and low-air-loss mattresses and overlays have little data to support their use for preventing or treating pressure ulcers, the Clinical Guidelines Committee of the American College of Physicians has concluded.
Many U.S. acute-care hospitals, home caregivers, and long-term nursing facilities use alternating-air and low-air-loss mattresses and overlays, even though the evidence in favor of using these surfaces is sparse and of poor quality, the guideline writers said.
The devices have not been show to actually reduce pressure ulcers. The harms have been poorly reported but could be significant. “Using these support systems is expensive and adds unnecessary burden on the health care system. Based on a review of the current evidence, lower-cost support surfaces should be the preferred approach to care,” Dr. Amir Qaseem, of the ACP, Philadelphia, and his associates wrote.
The committee performed an extensive review of the literature on pressure ulcers and compiled two Clinical Practice Guidelines – one concerning prevention (Ann. Intern. Med. 2015;162 [doi:10.7326/M14-1567]) and the other concerning treatment (Ann. Intern. Med. 2015;162 [doi:10.7326/M14-1568]) – in part because “a growing industry” has developed in recent years and aggressively pitches a wide array of products for this patient population. The guidelines present the available evidence on the comparative effectiveness of tools and strategies but state repeatedly that evidence regarding pressure ulcers is sparse and of poor quality.
The prevention guideline strongly recommends that clinicians choose advanced static mattresses or advanced static overlays rather than standard hospital mattresses for at-risk patients. Static mattresses and advanced static overlays provide a constant level of inflation or support and evenly distribute body weight. These products are among the few actually shown to reduce the incidence of pressure ulcers. They are also preferable to alternating-air mattresses and overlays, which change the distribution of pressure by inflating or deflating cells within the devices, and to low-air-loss mattresses and overlays, which use flowing air to regulate heat and humidity and adjust pressure.
Evidence is similarly poor or lacking concerning the use of other support surfaces such as heel supports or boots and a variety of wheelchair cushions. Also lacking evidence are other preventive interventions that extend beyond “usual care,” such as different types of repositioning schemes, a variety of leg elevations, various nutritional supplements, and a wide variety of skin care strategies and topical treatments.
The prevention guideline advises patient assessments to identify those at risk of developing pressure ulcers. However, there is not enough evidence to demonstrate that any one of the many risk assessment tools for this purpose is superior to the others, nor that any of these tools is superior to simple clinical judgment. Risk factors for pressure ulcers include older age; black race or Hispanic ethnicity; low body weight; cognitive impairment; physical impairments; and comorbid conditions that may affect soft-tissue integrity and healing, such as urinary or fecal incontinence, diabetes, edema, impaired microcirculation, hypoalbuminemia, and malnutrition, Dr. Qaseem and his associates wrote (Ann. Intern. Med. 2015 March 2 [doi:10.7326/M14-1567]).
The treatment guideline for patients who already have pressure ulcers similarly notes that the lack of evidence for advanced support surfaces such as alternating-air and low-air-loss mattresses and overlays. It similarly recommends advanced static mattresses or overlays for these patients.
The treatment guideline recommends protein or amino acid supplements as well as hydrocolloid or foam dressings to reduce wound size, and electrical stimulation to accelerate wound healing. The evidence for these recommendations is “weak” and of low- to moderate-quality, Dr. Qaseem and his associates said (Ann. Intern. Med. 2015 March 2 [doi:10.7326/M14-1568]).
The evidence for the safety and efficacy of hyperbaric oxygen therapy, even though it is often used to treat pressure ulcers in hospitals, is similarly inconclusive. Also lacking good-quality evidence are the use of alternating-air chair cushions, three-dimensional polyester overlays, zinc supplements, L-carnosine supplements, wound dressings other than the ones already discussed, debriding enzymes, topical phenytoin, maggot therapy, biological agents other than platelet-derived growth factor, or hydrotherapy in which wounds are cleaned using a whirlpool or pulsed lavage.
Alternating-air and low-air-loss mattresses and overlays have little data to support their use for preventing or treating pressure ulcers, the Clinical Guidelines Committee of the American College of Physicians has concluded.
Many U.S. acute-care hospitals, home caregivers, and long-term nursing facilities use alternating-air and low-air-loss mattresses and overlays, even though the evidence in favor of using these surfaces is sparse and of poor quality, the guideline writers said.
The devices have not been show to actually reduce pressure ulcers. The harms have been poorly reported but could be significant. “Using these support systems is expensive and adds unnecessary burden on the health care system. Based on a review of the current evidence, lower-cost support surfaces should be the preferred approach to care,” Dr. Amir Qaseem, of the ACP, Philadelphia, and his associates wrote.
The committee performed an extensive review of the literature on pressure ulcers and compiled two Clinical Practice Guidelines – one concerning prevention (Ann. Intern. Med. 2015;162 [doi:10.7326/M14-1567]) and the other concerning treatment (Ann. Intern. Med. 2015;162 [doi:10.7326/M14-1568]) – in part because “a growing industry” has developed in recent years and aggressively pitches a wide array of products for this patient population. The guidelines present the available evidence on the comparative effectiveness of tools and strategies but state repeatedly that evidence regarding pressure ulcers is sparse and of poor quality.
The prevention guideline strongly recommends that clinicians choose advanced static mattresses or advanced static overlays rather than standard hospital mattresses for at-risk patients. Static mattresses and advanced static overlays provide a constant level of inflation or support and evenly distribute body weight. These products are among the few actually shown to reduce the incidence of pressure ulcers. They are also preferable to alternating-air mattresses and overlays, which change the distribution of pressure by inflating or deflating cells within the devices, and to low-air-loss mattresses and overlays, which use flowing air to regulate heat and humidity and adjust pressure.
Evidence is similarly poor or lacking concerning the use of other support surfaces such as heel supports or boots and a variety of wheelchair cushions. Also lacking evidence are other preventive interventions that extend beyond “usual care,” such as different types of repositioning schemes, a variety of leg elevations, various nutritional supplements, and a wide variety of skin care strategies and topical treatments.
The prevention guideline advises patient assessments to identify those at risk of developing pressure ulcers. However, there is not enough evidence to demonstrate that any one of the many risk assessment tools for this purpose is superior to the others, nor that any of these tools is superior to simple clinical judgment. Risk factors for pressure ulcers include older age; black race or Hispanic ethnicity; low body weight; cognitive impairment; physical impairments; and comorbid conditions that may affect soft-tissue integrity and healing, such as urinary or fecal incontinence, diabetes, edema, impaired microcirculation, hypoalbuminemia, and malnutrition, Dr. Qaseem and his associates wrote (Ann. Intern. Med. 2015 March 2 [doi:10.7326/M14-1567]).
The treatment guideline for patients who already have pressure ulcers similarly notes that the lack of evidence for advanced support surfaces such as alternating-air and low-air-loss mattresses and overlays. It similarly recommends advanced static mattresses or overlays for these patients.
The treatment guideline recommends protein or amino acid supplements as well as hydrocolloid or foam dressings to reduce wound size, and electrical stimulation to accelerate wound healing. The evidence for these recommendations is “weak” and of low- to moderate-quality, Dr. Qaseem and his associates said (Ann. Intern. Med. 2015 March 2 [doi:10.7326/M14-1568]).
The evidence for the safety and efficacy of hyperbaric oxygen therapy, even though it is often used to treat pressure ulcers in hospitals, is similarly inconclusive. Also lacking good-quality evidence are the use of alternating-air chair cushions, three-dimensional polyester overlays, zinc supplements, L-carnosine supplements, wound dressings other than the ones already discussed, debriding enzymes, topical phenytoin, maggot therapy, biological agents other than platelet-derived growth factor, or hydrotherapy in which wounds are cleaned using a whirlpool or pulsed lavage.
Postexposure smallpox vaccination not recommended for immunodeficient patients
Persons exposed to smallpox should be vaccinated with a replication-competent vaccine, unless they are severely immunodeficient, according to a guideline from the Centers for Disease Control and Prevention.
Severely immunodeficient persons won’t benefit from a smallpox vaccination because there will likely be a poor immune response and heightened risk of negative events. These include bone marrow transplant recipients within 4 months of transplantation, people infected with HIV with CD4 cell counts <50 cells/mm3, persons with severe combined immunodeficiency, complete DiGeorge syndrome patients, and people with other severely immunocompromised states requiring isolation.
“If antivirals are not immediately available, it is reasonable to consider the use of Imvamune in the setting of a smallpox virus exposure in persons with severe immunodeficiency,” the CDC added.
Find the full guideline in the MMWR (February 20, 2015 / 64(RR02);1-26).
Persons exposed to smallpox should be vaccinated with a replication-competent vaccine, unless they are severely immunodeficient, according to a guideline from the Centers for Disease Control and Prevention.
Severely immunodeficient persons won’t benefit from a smallpox vaccination because there will likely be a poor immune response and heightened risk of negative events. These include bone marrow transplant recipients within 4 months of transplantation, people infected with HIV with CD4 cell counts <50 cells/mm3, persons with severe combined immunodeficiency, complete DiGeorge syndrome patients, and people with other severely immunocompromised states requiring isolation.
“If antivirals are not immediately available, it is reasonable to consider the use of Imvamune in the setting of a smallpox virus exposure in persons with severe immunodeficiency,” the CDC added.
Find the full guideline in the MMWR (February 20, 2015 / 64(RR02);1-26).
Persons exposed to smallpox should be vaccinated with a replication-competent vaccine, unless they are severely immunodeficient, according to a guideline from the Centers for Disease Control and Prevention.
Severely immunodeficient persons won’t benefit from a smallpox vaccination because there will likely be a poor immune response and heightened risk of negative events. These include bone marrow transplant recipients within 4 months of transplantation, people infected with HIV with CD4 cell counts <50 cells/mm3, persons with severe combined immunodeficiency, complete DiGeorge syndrome patients, and people with other severely immunocompromised states requiring isolation.
“If antivirals are not immediately available, it is reasonable to consider the use of Imvamune in the setting of a smallpox virus exposure in persons with severe immunodeficiency,” the CDC added.
Find the full guideline in the MMWR (February 20, 2015 / 64(RR02);1-26).
VIDEO: Is JNC 8’s hypertension treatment threshold too high?
NASHVILLE, TENN. – Last year, the Eighth Joint National Committee revised upward its classification of hypertension in healthy adults aged 60 years and older, recommending treatment when systolic pressure hits at least 150 mm Hg, or diastolic pressure reaches at least 90 mm Hg.
But raising the treatment cut point by 10 mm Hg from the earlier JNC 7 recommendations is a bad idea, Dr. Ralph L. Sacco warned at the International Stroke Conference – very bad, in fact.
And Dr. Sacco, the Olemberg Family Chair in Neurological Disorders at the University of Miami, said he has the data to prove it.
In a video interview at the meeting, Dr. Sacco outlined the findings from a new study exploring the stroke risks of patients who might find themselves now deemed normotensive under the JNC 8 hypertension guidelines.
On Twitter @alz_gal
NASHVILLE, TENN. – Last year, the Eighth Joint National Committee revised upward its classification of hypertension in healthy adults aged 60 years and older, recommending treatment when systolic pressure hits at least 150 mm Hg, or diastolic pressure reaches at least 90 mm Hg.
But raising the treatment cut point by 10 mm Hg from the earlier JNC 7 recommendations is a bad idea, Dr. Ralph L. Sacco warned at the International Stroke Conference – very bad, in fact.
And Dr. Sacco, the Olemberg Family Chair in Neurological Disorders at the University of Miami, said he has the data to prove it.
In a video interview at the meeting, Dr. Sacco outlined the findings from a new study exploring the stroke risks of patients who might find themselves now deemed normotensive under the JNC 8 hypertension guidelines.
On Twitter @alz_gal
NASHVILLE, TENN. – Last year, the Eighth Joint National Committee revised upward its classification of hypertension in healthy adults aged 60 years and older, recommending treatment when systolic pressure hits at least 150 mm Hg, or diastolic pressure reaches at least 90 mm Hg.
But raising the treatment cut point by 10 mm Hg from the earlier JNC 7 recommendations is a bad idea, Dr. Ralph L. Sacco warned at the International Stroke Conference – very bad, in fact.
And Dr. Sacco, the Olemberg Family Chair in Neurological Disorders at the University of Miami, said he has the data to prove it.
In a video interview at the meeting, Dr. Sacco outlined the findings from a new study exploring the stroke risks of patients who might find themselves now deemed normotensive under the JNC 8 hypertension guidelines.
On Twitter @alz_gal
AT THE INTERNATIONAL STROKE CONFERENCE
ASCO endorses ACS guidelines for prostate cancer survivor care
The American Society of Clinical Oncology has endorsed the American Cancer Society Prostate Cancer Survivorship Care Guidelines, a 39-point list with recommendations on continuing care for prostate care survivors, but with a number of qualifying statements and modifications.
The guidelines, developed by a workgroup of 16 multidisciplinary experts specializing in the care of prostate cancer patients and the long-term effects of their treatments, are intended as points of reference for primary care providers, medical oncologists, urologists, and other health care providers.
Areas covered in the guidelines include health promotion, surveillance for recurrence, screening and early detection of second primary cancers, assessment and management of physical and psychosocial long-term and late effects, and care coordination and practice implications.Read the full list of recommendations here: (doi: 10.1200/JCO.2014.60.2557).
The American Society of Clinical Oncology has endorsed the American Cancer Society Prostate Cancer Survivorship Care Guidelines, a 39-point list with recommendations on continuing care for prostate care survivors, but with a number of qualifying statements and modifications.
The guidelines, developed by a workgroup of 16 multidisciplinary experts specializing in the care of prostate cancer patients and the long-term effects of their treatments, are intended as points of reference for primary care providers, medical oncologists, urologists, and other health care providers.
Areas covered in the guidelines include health promotion, surveillance for recurrence, screening and early detection of second primary cancers, assessment and management of physical and psychosocial long-term and late effects, and care coordination and practice implications.Read the full list of recommendations here: (doi: 10.1200/JCO.2014.60.2557).
The American Society of Clinical Oncology has endorsed the American Cancer Society Prostate Cancer Survivorship Care Guidelines, a 39-point list with recommendations on continuing care for prostate care survivors, but with a number of qualifying statements and modifications.
The guidelines, developed by a workgroup of 16 multidisciplinary experts specializing in the care of prostate cancer patients and the long-term effects of their treatments, are intended as points of reference for primary care providers, medical oncologists, urologists, and other health care providers.
Areas covered in the guidelines include health promotion, surveillance for recurrence, screening and early detection of second primary cancers, assessment and management of physical and psychosocial long-term and late effects, and care coordination and practice implications.Read the full list of recommendations here: (doi: 10.1200/JCO.2014.60.2557).