Biogen, Eisai discontinue aducanumab Alzheimer’s trials

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Biogen and Eisai have announced that they are discontinuing the ENGAGE and EMERGE trials, which were designed to test the efficacy and safety of aducanumab in patients with mild cognitive impairment caused by Alzheimer’s disease and mild Alzheimer’s disease dementia.

The phase 3, multicenter, randomized, double-blind, placebo-controlled, parallel-group trials were canceled not because of safety concerns but because of a futility analysis conducted by an independent data monitoring committee that indicated the drug would not meet the trials’ primary endpoint, which was the slowing of cognitive and functional impairment as measured by changes in Clinical Dementia Rating–Sum of Boxes score, compared with placebo.

In addition to ENGAGE and EMERGE, the phase 2 EVOLVE safety study and the long-term extension of the phase 1b PRIME study have also been canceled. Data from the ENGAGE and EMERGE trials will be presented at future medical meetings.

Aducanumab is a human monoclonal antibody derived from B cells collected from healthy elderly subjects with no cognitive decline or those with unusually slow cognitive decline through Neurimmune’s technology platform called Reverse Translational Medicine. It was granted Fast Track designation by the Food and Drug Administration.

“This disappointing news confirms the complexity of treating Alzheimer’s disease and the need to further advance knowledge in neuroscience. We are incredibly grateful to all the Alzheimer’s disease patients, their families, and the investigators who participated in the trials and contributed greatly to this research,” Michel Vounatsos, CEO at Biogen, said in a press release.

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Biogen and Eisai have announced that they are discontinuing the ENGAGE and EMERGE trials, which were designed to test the efficacy and safety of aducanumab in patients with mild cognitive impairment caused by Alzheimer’s disease and mild Alzheimer’s disease dementia.

The phase 3, multicenter, randomized, double-blind, placebo-controlled, parallel-group trials were canceled not because of safety concerns but because of a futility analysis conducted by an independent data monitoring committee that indicated the drug would not meet the trials’ primary endpoint, which was the slowing of cognitive and functional impairment as measured by changes in Clinical Dementia Rating–Sum of Boxes score, compared with placebo.

In addition to ENGAGE and EMERGE, the phase 2 EVOLVE safety study and the long-term extension of the phase 1b PRIME study have also been canceled. Data from the ENGAGE and EMERGE trials will be presented at future medical meetings.

Aducanumab is a human monoclonal antibody derived from B cells collected from healthy elderly subjects with no cognitive decline or those with unusually slow cognitive decline through Neurimmune’s technology platform called Reverse Translational Medicine. It was granted Fast Track designation by the Food and Drug Administration.

“This disappointing news confirms the complexity of treating Alzheimer’s disease and the need to further advance knowledge in neuroscience. We are incredibly grateful to all the Alzheimer’s disease patients, their families, and the investigators who participated in the trials and contributed greatly to this research,” Michel Vounatsos, CEO at Biogen, said in a press release.

 

Biogen and Eisai have announced that they are discontinuing the ENGAGE and EMERGE trials, which were designed to test the efficacy and safety of aducanumab in patients with mild cognitive impairment caused by Alzheimer’s disease and mild Alzheimer’s disease dementia.

The phase 3, multicenter, randomized, double-blind, placebo-controlled, parallel-group trials were canceled not because of safety concerns but because of a futility analysis conducted by an independent data monitoring committee that indicated the drug would not meet the trials’ primary endpoint, which was the slowing of cognitive and functional impairment as measured by changes in Clinical Dementia Rating–Sum of Boxes score, compared with placebo.

In addition to ENGAGE and EMERGE, the phase 2 EVOLVE safety study and the long-term extension of the phase 1b PRIME study have also been canceled. Data from the ENGAGE and EMERGE trials will be presented at future medical meetings.

Aducanumab is a human monoclonal antibody derived from B cells collected from healthy elderly subjects with no cognitive decline or those with unusually slow cognitive decline through Neurimmune’s technology platform called Reverse Translational Medicine. It was granted Fast Track designation by the Food and Drug Administration.

“This disappointing news confirms the complexity of treating Alzheimer’s disease and the need to further advance knowledge in neuroscience. We are incredibly grateful to all the Alzheimer’s disease patients, their families, and the investigators who participated in the trials and contributed greatly to this research,” Michel Vounatsos, CEO at Biogen, said in a press release.

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Light physical activity lowers CVD risk in older women

Focus on physical activity in older women
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Even light physical activity can significantly reduce the risks of acquiring coronary heart disease specifically and the broad range of cardiovascular diseases in older women, new data suggests.

izusek/Getty Images

A paper published in JAMA Network Open reported the outcome of a prospective cohort study in 5,861 women, with a mean age of 78.5 years, who wore accelerometers for 7 days to measure physical activity.

Women in the highest quartile for light physical activity – more than 5.6 hours per day – had a 32% lower risk of coronary heart disease than those in the lowest quartile of activity, who engaged in less than 3.9 hours per day, after adjusting for factors such as comorbidities, lifestyle, and cardiovascular risk.

Similarly, those in the highest quartile had an 18% lower risk of cardiovascular disease than those in the lowest quartile, after adjusting for potential confounders.

Researchers saw a significant dose-dependent decrease in the risk for incident coronary heart disease and cardiovascular disease with increasing light physical activity, such that each 1-hour increment of activity was associated with a 20% decrease in coronary heart disease risk and 10% decrease in cardiovascular disease risk.

Andrea Z. LaCroix, PhD, from the University of California, San Diego, and her coauthors noted that physical activity guidelines for aerobic activity suggest 75 minutes of vigorous physical activity or 150 minutes of moderate activity each day, but only around 25% of U.S. women aged over 75 years are estimated to meet this requirement.

“These guidelines may have discouraged PA [physical activity] when perceived to be unattainable by large segments of the population,” they wrote.

While the majority of active time in older adults is spent doing light physical activity, little is known about the cardiovascular effects of participating in this level of activity. “A major barrier has been that self-reported questionnaires measuring leisure-time PA do not adequately capture light PA that is acquired throughout the day in activities of daily living,” they wrote.

The study also looked at the impact of moderate to vigorous physical activity, finding a significant 46% reduction between the highest to lowest quartiles of activity in coronary heart disease risk and a 31% reduction in cardiovascular disease risk.

Even after adjusting for the use of lipid-lowering medication, antihypertensive medication or healthy eating scores, the results remained unchanged. The researchers also saw no change when women with angina and heart failure at baseline were excluded or when they excluded cardiovascular events that occurred during the first 6 months of follow-up.

The study was supported by the National Heart, Lung, and Blood Institute; the National Institutes of Health; and the Department of Health & Human Services. Six authors reported receiving funding from the study supporters and other research institutions, and one reported membership on the advisory committee for physical activity guidelines. No other conflicts of interest were reported.
 

SOURCE: LaCroix AZ et al. JAMA Netw Open. 2019 Mar 15. doi: 10.1001/jamanetworkopen.2019.0419.

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Older women do not get enough physical activity, so this finding that light physical activity is associated with improved coronary heart disease and cardiovascular disease outcomes supports the recent scientific report by the 2018 Physical Activity Guidelines Advisory Committee. It is also helpful in extending the evidence about the benefits of physical activity in reducing incident coronary heart disease to older women, as previous studies on this topic showed such benefits in men.

These findings should remind health care professionals, systems, and agencies to promote the 2018 Physical Activity Guidelines for Americans to all patients. Otherwise, the future health and well-being of older women is likely to suffer from the consequences of sedentary behavior and inadequate physical activity.

Gregory W. Heath, DHSc, MPH, is from the department of health and human performance at the University of Tennessee, Chattanooga. These comments are adapted from an accompanying editorial (JAMA Netw Open. 2019 Mar 15. doi: 10.1001/jamanetworkopen.2019.0405). No conflicts of interest were reported.

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Older women do not get enough physical activity, so this finding that light physical activity is associated with improved coronary heart disease and cardiovascular disease outcomes supports the recent scientific report by the 2018 Physical Activity Guidelines Advisory Committee. It is also helpful in extending the evidence about the benefits of physical activity in reducing incident coronary heart disease to older women, as previous studies on this topic showed such benefits in men.

These findings should remind health care professionals, systems, and agencies to promote the 2018 Physical Activity Guidelines for Americans to all patients. Otherwise, the future health and well-being of older women is likely to suffer from the consequences of sedentary behavior and inadequate physical activity.

Gregory W. Heath, DHSc, MPH, is from the department of health and human performance at the University of Tennessee, Chattanooga. These comments are adapted from an accompanying editorial (JAMA Netw Open. 2019 Mar 15. doi: 10.1001/jamanetworkopen.2019.0405). No conflicts of interest were reported.

Body

 

Older women do not get enough physical activity, so this finding that light physical activity is associated with improved coronary heart disease and cardiovascular disease outcomes supports the recent scientific report by the 2018 Physical Activity Guidelines Advisory Committee. It is also helpful in extending the evidence about the benefits of physical activity in reducing incident coronary heart disease to older women, as previous studies on this topic showed such benefits in men.

These findings should remind health care professionals, systems, and agencies to promote the 2018 Physical Activity Guidelines for Americans to all patients. Otherwise, the future health and well-being of older women is likely to suffer from the consequences of sedentary behavior and inadequate physical activity.

Gregory W. Heath, DHSc, MPH, is from the department of health and human performance at the University of Tennessee, Chattanooga. These comments are adapted from an accompanying editorial (JAMA Netw Open. 2019 Mar 15. doi: 10.1001/jamanetworkopen.2019.0405). No conflicts of interest were reported.

Title
Focus on physical activity in older women
Focus on physical activity in older women

Even light physical activity can significantly reduce the risks of acquiring coronary heart disease specifically and the broad range of cardiovascular diseases in older women, new data suggests.

izusek/Getty Images

A paper published in JAMA Network Open reported the outcome of a prospective cohort study in 5,861 women, with a mean age of 78.5 years, who wore accelerometers for 7 days to measure physical activity.

Women in the highest quartile for light physical activity – more than 5.6 hours per day – had a 32% lower risk of coronary heart disease than those in the lowest quartile of activity, who engaged in less than 3.9 hours per day, after adjusting for factors such as comorbidities, lifestyle, and cardiovascular risk.

Similarly, those in the highest quartile had an 18% lower risk of cardiovascular disease than those in the lowest quartile, after adjusting for potential confounders.

Researchers saw a significant dose-dependent decrease in the risk for incident coronary heart disease and cardiovascular disease with increasing light physical activity, such that each 1-hour increment of activity was associated with a 20% decrease in coronary heart disease risk and 10% decrease in cardiovascular disease risk.

Andrea Z. LaCroix, PhD, from the University of California, San Diego, and her coauthors noted that physical activity guidelines for aerobic activity suggest 75 minutes of vigorous physical activity or 150 minutes of moderate activity each day, but only around 25% of U.S. women aged over 75 years are estimated to meet this requirement.

“These guidelines may have discouraged PA [physical activity] when perceived to be unattainable by large segments of the population,” they wrote.

While the majority of active time in older adults is spent doing light physical activity, little is known about the cardiovascular effects of participating in this level of activity. “A major barrier has been that self-reported questionnaires measuring leisure-time PA do not adequately capture light PA that is acquired throughout the day in activities of daily living,” they wrote.

The study also looked at the impact of moderate to vigorous physical activity, finding a significant 46% reduction between the highest to lowest quartiles of activity in coronary heart disease risk and a 31% reduction in cardiovascular disease risk.

Even after adjusting for the use of lipid-lowering medication, antihypertensive medication or healthy eating scores, the results remained unchanged. The researchers also saw no change when women with angina and heart failure at baseline were excluded or when they excluded cardiovascular events that occurred during the first 6 months of follow-up.

The study was supported by the National Heart, Lung, and Blood Institute; the National Institutes of Health; and the Department of Health & Human Services. Six authors reported receiving funding from the study supporters and other research institutions, and one reported membership on the advisory committee for physical activity guidelines. No other conflicts of interest were reported.
 

SOURCE: LaCroix AZ et al. JAMA Netw Open. 2019 Mar 15. doi: 10.1001/jamanetworkopen.2019.0419.

Even light physical activity can significantly reduce the risks of acquiring coronary heart disease specifically and the broad range of cardiovascular diseases in older women, new data suggests.

izusek/Getty Images

A paper published in JAMA Network Open reported the outcome of a prospective cohort study in 5,861 women, with a mean age of 78.5 years, who wore accelerometers for 7 days to measure physical activity.

Women in the highest quartile for light physical activity – more than 5.6 hours per day – had a 32% lower risk of coronary heart disease than those in the lowest quartile of activity, who engaged in less than 3.9 hours per day, after adjusting for factors such as comorbidities, lifestyle, and cardiovascular risk.

Similarly, those in the highest quartile had an 18% lower risk of cardiovascular disease than those in the lowest quartile, after adjusting for potential confounders.

Researchers saw a significant dose-dependent decrease in the risk for incident coronary heart disease and cardiovascular disease with increasing light physical activity, such that each 1-hour increment of activity was associated with a 20% decrease in coronary heart disease risk and 10% decrease in cardiovascular disease risk.

Andrea Z. LaCroix, PhD, from the University of California, San Diego, and her coauthors noted that physical activity guidelines for aerobic activity suggest 75 minutes of vigorous physical activity or 150 minutes of moderate activity each day, but only around 25% of U.S. women aged over 75 years are estimated to meet this requirement.

“These guidelines may have discouraged PA [physical activity] when perceived to be unattainable by large segments of the population,” they wrote.

While the majority of active time in older adults is spent doing light physical activity, little is known about the cardiovascular effects of participating in this level of activity. “A major barrier has been that self-reported questionnaires measuring leisure-time PA do not adequately capture light PA that is acquired throughout the day in activities of daily living,” they wrote.

The study also looked at the impact of moderate to vigorous physical activity, finding a significant 46% reduction between the highest to lowest quartiles of activity in coronary heart disease risk and a 31% reduction in cardiovascular disease risk.

Even after adjusting for the use of lipid-lowering medication, antihypertensive medication or healthy eating scores, the results remained unchanged. The researchers also saw no change when women with angina and heart failure at baseline were excluded or when they excluded cardiovascular events that occurred during the first 6 months of follow-up.

The study was supported by the National Heart, Lung, and Blood Institute; the National Institutes of Health; and the Department of Health & Human Services. Six authors reported receiving funding from the study supporters and other research institutions, and one reported membership on the advisory committee for physical activity guidelines. No other conflicts of interest were reported.
 

SOURCE: LaCroix AZ et al. JAMA Netw Open. 2019 Mar 15. doi: 10.1001/jamanetworkopen.2019.0419.

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Advance care planning codes not being used

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Doctors are not taking advantage of Medicare codes designed to compensate them for time spent with discussing end-of-life plans with their Medicare patients.

Starting in 2016, the Centers for Medicare & Medicaid Services began paying physicians for advance care planning discussions with the approval of two new codes: 99497 and 99498. The codes pay about $86 for the first 30 minutes of a face-to-face conversation with a patient, family member, and/or surrogate and about $75 for additional sessions. Services can be furnished in both inpatient and ambulatory settings, and payment is not limited to particular physician specialties.

In 2016, health care professionals in New England (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont) billed Medicare 26,522 times for the advance care planning (ACP) codes for a total of 24,536 patients, which represented less than 1% of Medicare beneficiaries in New England at the time, according to Kimberly Pelland, MPH, of Healthcentric Advisors, Providence, R.I., and her colleagues. Most claims were billed in the office, followed by in nursing homes, and in hospitals; 40% of conversations occurred during an annual wellness visit (JAMA Intern Med. 2019 March 11. doi:10.1001/jamainternmed.2018.8107).

Internists billed Medicare the most for ACP claims (65%), followed by family physicians (22%) gerontologists (5%), and oncologist/hematologists (0.3%), according to the analysis based on 2016 Medicare claims data and Census Bureau data. A greater proportion of patients with ACP claims were female, aged 85 years or older, enrolled in hospice, and died in the study year. Patients had higher odds of having an ACP claim if they were older and had lower income, and if they had cancer, heart failure, stroke, chronic kidney disease, or dementia. Male patients who were Asian, black, and Hispanic had lower chances of having an ACP claim.

In a related study, Emmanuelle Belanger, PhD, of Brown University, Providence, R.I., and her colleagues examined national Medicare data from 2016 to the third quarter of 2017. Across the United States, 2% of Medicare patients aged 65 years and older received advance care planning services that were billed under the ACP codes (JAMA Intern Med. 2019 March 11. doi: 10.1001/jamainternmed.2018.8615). Visits billed under the ACP codes increased from 538,275 to 633,214 during the same time period. Claim rates were higher among patients who died within the study period, reaching 3% in 2016 and 6% in 2017. The percentage of decedents with an ACP billed visit varied strongly across states, with states such as North Dakota, South Dakota, and Wyoming having the fewest ACP visits billed and states such as California and Nevada having the most. ACP billed visits increased in all settings in 2017, but primarily in hospitals and nursing homes. Nationally, internists billed the codes most (48%), followed by family physicians (28%).

Dr. Mary M. Newman

While the two studies indicate low usage of the ACP codes, many physicians are discussing advance care planning with their patients, said Mary M. Newman, MD, an internist based in Lutherville, Md., and former American College of Physicians adviser to the American Medical Association Relative Scale Value Update Committee (RUC).

“What cannot be captured by tracking under Medicare claims data are those shorter conversations that we have frequently,” Dr. Newman said in an interview. “If we have a short conversation about advance care planning, it gets folded into our evaluation and management visit. It’s not going to be separately billed.”

At the same time, some patients are not ready to discuss end-of-life options and decline the discussions when asked, Dr. Newman said. Particularly for healthier patients, end of life care is not a primary focus, she noted.

“Not everybody’s ready to have an advance care planning [discussion] that lasts 16-45 minutes,” she said. “Many people over age 65 are not ready to deal with advance care planning in their day-to-day lives, and it may not be what they wish to discuss. I offer the option to patients and some say, ‘Yes, I’d love to,’ and others decline or postpone.”



Low usage of the ACP codes may be associated with lack of awareness, uncertainty about appropriate code use, or associated billing that is not part of the standard workflow, Ankita Mehta, MD, of Mount Sinai in New York wrote an editorial accompanying the studies (JAMA Intern Med. 2019 March 11. doi:10.1001/jamainternmed.2018.8105).

“Regardless, the low rates of utilization of ACP codes is alarming and highlights the need to create strategies to integrate ACP discussions into standard practice and build ACP documentation and billing in clinical workflow,” Dr. Mehta said.

Dr. Newman agreed that more education among physicians is needed.

“The amount of education clinicians have received varies tremendously across the geography of the country,” she said. “I think the codes are going to be slowly adopted. The challenge to us is to make sure we’re all better educated on palliative care as people age and get sick and that we are sensitive to our patients explicit and implicit needs for these discussions.”

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Doctors are not taking advantage of Medicare codes designed to compensate them for time spent with discussing end-of-life plans with their Medicare patients.

Starting in 2016, the Centers for Medicare & Medicaid Services began paying physicians for advance care planning discussions with the approval of two new codes: 99497 and 99498. The codes pay about $86 for the first 30 minutes of a face-to-face conversation with a patient, family member, and/or surrogate and about $75 for additional sessions. Services can be furnished in both inpatient and ambulatory settings, and payment is not limited to particular physician specialties.

In 2016, health care professionals in New England (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont) billed Medicare 26,522 times for the advance care planning (ACP) codes for a total of 24,536 patients, which represented less than 1% of Medicare beneficiaries in New England at the time, according to Kimberly Pelland, MPH, of Healthcentric Advisors, Providence, R.I., and her colleagues. Most claims were billed in the office, followed by in nursing homes, and in hospitals; 40% of conversations occurred during an annual wellness visit (JAMA Intern Med. 2019 March 11. doi:10.1001/jamainternmed.2018.8107).

Internists billed Medicare the most for ACP claims (65%), followed by family physicians (22%) gerontologists (5%), and oncologist/hematologists (0.3%), according to the analysis based on 2016 Medicare claims data and Census Bureau data. A greater proportion of patients with ACP claims were female, aged 85 years or older, enrolled in hospice, and died in the study year. Patients had higher odds of having an ACP claim if they were older and had lower income, and if they had cancer, heart failure, stroke, chronic kidney disease, or dementia. Male patients who were Asian, black, and Hispanic had lower chances of having an ACP claim.

In a related study, Emmanuelle Belanger, PhD, of Brown University, Providence, R.I., and her colleagues examined national Medicare data from 2016 to the third quarter of 2017. Across the United States, 2% of Medicare patients aged 65 years and older received advance care planning services that were billed under the ACP codes (JAMA Intern Med. 2019 March 11. doi: 10.1001/jamainternmed.2018.8615). Visits billed under the ACP codes increased from 538,275 to 633,214 during the same time period. Claim rates were higher among patients who died within the study period, reaching 3% in 2016 and 6% in 2017. The percentage of decedents with an ACP billed visit varied strongly across states, with states such as North Dakota, South Dakota, and Wyoming having the fewest ACP visits billed and states such as California and Nevada having the most. ACP billed visits increased in all settings in 2017, but primarily in hospitals and nursing homes. Nationally, internists billed the codes most (48%), followed by family physicians (28%).

Dr. Mary M. Newman

While the two studies indicate low usage of the ACP codes, many physicians are discussing advance care planning with their patients, said Mary M. Newman, MD, an internist based in Lutherville, Md., and former American College of Physicians adviser to the American Medical Association Relative Scale Value Update Committee (RUC).

“What cannot be captured by tracking under Medicare claims data are those shorter conversations that we have frequently,” Dr. Newman said in an interview. “If we have a short conversation about advance care planning, it gets folded into our evaluation and management visit. It’s not going to be separately billed.”

At the same time, some patients are not ready to discuss end-of-life options and decline the discussions when asked, Dr. Newman said. Particularly for healthier patients, end of life care is not a primary focus, she noted.

“Not everybody’s ready to have an advance care planning [discussion] that lasts 16-45 minutes,” she said. “Many people over age 65 are not ready to deal with advance care planning in their day-to-day lives, and it may not be what they wish to discuss. I offer the option to patients and some say, ‘Yes, I’d love to,’ and others decline or postpone.”



Low usage of the ACP codes may be associated with lack of awareness, uncertainty about appropriate code use, or associated billing that is not part of the standard workflow, Ankita Mehta, MD, of Mount Sinai in New York wrote an editorial accompanying the studies (JAMA Intern Med. 2019 March 11. doi:10.1001/jamainternmed.2018.8105).

“Regardless, the low rates of utilization of ACP codes is alarming and highlights the need to create strategies to integrate ACP discussions into standard practice and build ACP documentation and billing in clinical workflow,” Dr. Mehta said.

Dr. Newman agreed that more education among physicians is needed.

“The amount of education clinicians have received varies tremendously across the geography of the country,” she said. “I think the codes are going to be slowly adopted. The challenge to us is to make sure we’re all better educated on palliative care as people age and get sick and that we are sensitive to our patients explicit and implicit needs for these discussions.”

 

Doctors are not taking advantage of Medicare codes designed to compensate them for time spent with discussing end-of-life plans with their Medicare patients.

Starting in 2016, the Centers for Medicare & Medicaid Services began paying physicians for advance care planning discussions with the approval of two new codes: 99497 and 99498. The codes pay about $86 for the first 30 minutes of a face-to-face conversation with a patient, family member, and/or surrogate and about $75 for additional sessions. Services can be furnished in both inpatient and ambulatory settings, and payment is not limited to particular physician specialties.

In 2016, health care professionals in New England (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont) billed Medicare 26,522 times for the advance care planning (ACP) codes for a total of 24,536 patients, which represented less than 1% of Medicare beneficiaries in New England at the time, according to Kimberly Pelland, MPH, of Healthcentric Advisors, Providence, R.I., and her colleagues. Most claims were billed in the office, followed by in nursing homes, and in hospitals; 40% of conversations occurred during an annual wellness visit (JAMA Intern Med. 2019 March 11. doi:10.1001/jamainternmed.2018.8107).

Internists billed Medicare the most for ACP claims (65%), followed by family physicians (22%) gerontologists (5%), and oncologist/hematologists (0.3%), according to the analysis based on 2016 Medicare claims data and Census Bureau data. A greater proportion of patients with ACP claims were female, aged 85 years or older, enrolled in hospice, and died in the study year. Patients had higher odds of having an ACP claim if they were older and had lower income, and if they had cancer, heart failure, stroke, chronic kidney disease, or dementia. Male patients who were Asian, black, and Hispanic had lower chances of having an ACP claim.

In a related study, Emmanuelle Belanger, PhD, of Brown University, Providence, R.I., and her colleagues examined national Medicare data from 2016 to the third quarter of 2017. Across the United States, 2% of Medicare patients aged 65 years and older received advance care planning services that were billed under the ACP codes (JAMA Intern Med. 2019 March 11. doi: 10.1001/jamainternmed.2018.8615). Visits billed under the ACP codes increased from 538,275 to 633,214 during the same time period. Claim rates were higher among patients who died within the study period, reaching 3% in 2016 and 6% in 2017. The percentage of decedents with an ACP billed visit varied strongly across states, with states such as North Dakota, South Dakota, and Wyoming having the fewest ACP visits billed and states such as California and Nevada having the most. ACP billed visits increased in all settings in 2017, but primarily in hospitals and nursing homes. Nationally, internists billed the codes most (48%), followed by family physicians (28%).

Dr. Mary M. Newman

While the two studies indicate low usage of the ACP codes, many physicians are discussing advance care planning with their patients, said Mary M. Newman, MD, an internist based in Lutherville, Md., and former American College of Physicians adviser to the American Medical Association Relative Scale Value Update Committee (RUC).

“What cannot be captured by tracking under Medicare claims data are those shorter conversations that we have frequently,” Dr. Newman said in an interview. “If we have a short conversation about advance care planning, it gets folded into our evaluation and management visit. It’s not going to be separately billed.”

At the same time, some patients are not ready to discuss end-of-life options and decline the discussions when asked, Dr. Newman said. Particularly for healthier patients, end of life care is not a primary focus, she noted.

“Not everybody’s ready to have an advance care planning [discussion] that lasts 16-45 minutes,” she said. “Many people over age 65 are not ready to deal with advance care planning in their day-to-day lives, and it may not be what they wish to discuss. I offer the option to patients and some say, ‘Yes, I’d love to,’ and others decline or postpone.”



Low usage of the ACP codes may be associated with lack of awareness, uncertainty about appropriate code use, or associated billing that is not part of the standard workflow, Ankita Mehta, MD, of Mount Sinai in New York wrote an editorial accompanying the studies (JAMA Intern Med. 2019 March 11. doi:10.1001/jamainternmed.2018.8105).

“Regardless, the low rates of utilization of ACP codes is alarming and highlights the need to create strategies to integrate ACP discussions into standard practice and build ACP documentation and billing in clinical workflow,” Dr. Mehta said.

Dr. Newman agreed that more education among physicians is needed.

“The amount of education clinicians have received varies tremendously across the geography of the country,” she said. “I think the codes are going to be slowly adopted. The challenge to us is to make sure we’re all better educated on palliative care as people age and get sick and that we are sensitive to our patients explicit and implicit needs for these discussions.”

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Hypoglycemia in the elderly: Watch for atypical symptoms

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Hypoglycemia in the elderly: Watch for atypical symptoms

We read with interest the review article by Keber and Fiebert, “Diabetes in the elderly: Matching meds to needs” (J Fam Pract. 2018;67:408-410,412-415). The authors have provided a timely overview of antidiabetes medications for elderly people with type 2 diabetes mellitus (T2DM) and their relative risks for hypoglycemia.

We’d like to add to this important conversation.

Aging, per se, modifies the glycemic thresholds for autonomic symptoms and cognitive impairment; in older nondiabetic men (mean + SD: age 65 ± 3 years), autonomic symptoms and cognitive dysfunction commence at identical glycemic thresholds (3 ± 0.2 mmol/L [54 ± 4 mg/dL]). By contrast, in younger men (age 23 ± 2 years), a significant gap is observed between the glycemic threshold for symptom generation (3.6 mmol/L [65 mg/dL]) and the onset of cognitive dysfunction (2.6 mmol/L [47 mg/dL]).1,2 The simultaneous occurrence of symptoms and cognitive impairment in older people may adversely affect their ability to recognize and treat hypoglycemia promptly.

In addition, hypoglycemia in older T2DM patients often presents with atypical neurologic symptoms, including incoordination and ataxia, slurring of speech, and visual disturbances, which either are not identified as hypoglycemia or are misdiagnosed as other medical disorders (eg, transient ischemic attack).3 Knowledge about hypoglycemia symptoms is poor, in both elderly people with diabetes and their relatives and caregivers, which compromises the ability to identify hypoglycemia and provide effective treatment.4 Education about the possible presentations of hypoglycemia and its effective treatment is essential for older patients and their relatives.

Jan Brož, MD
Prague, Czech Republic

References

1. Meneilly GS, Elahi D. Physiological importance of first-phase insulin release in elderly patients with diabetes. Diabetes Care. 1998;21:1326-1329.

2. Matyka K, Evans M, Lomas J, et al. Altered hierarchy of protective responses against severe hypoglycemia in normal aging in healthy men. Diabetes Care. 1997;20:135-141.

3. Jaap AJ, Jones GC, McCrimmon RJ, et al. Perceived symptoms of hypoglycaemia in elderly type 2 diabetic patients treated with insulin. Diabet Med. 1998;15:398-401.

4. Thomson FJ, Masson EA, Leeming JT, et al. Lack of knowledge of symptoms of hypoglycaemia by elderly diabetic patients. Age Ageing. 1991;20:404-406.

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We read with interest the review article by Keber and Fiebert, “Diabetes in the elderly: Matching meds to needs” (J Fam Pract. 2018;67:408-410,412-415). The authors have provided a timely overview of antidiabetes medications for elderly people with type 2 diabetes mellitus (T2DM) and their relative risks for hypoglycemia.

We’d like to add to this important conversation.

Aging, per se, modifies the glycemic thresholds for autonomic symptoms and cognitive impairment; in older nondiabetic men (mean + SD: age 65 ± 3 years), autonomic symptoms and cognitive dysfunction commence at identical glycemic thresholds (3 ± 0.2 mmol/L [54 ± 4 mg/dL]). By contrast, in younger men (age 23 ± 2 years), a significant gap is observed between the glycemic threshold for symptom generation (3.6 mmol/L [65 mg/dL]) and the onset of cognitive dysfunction (2.6 mmol/L [47 mg/dL]).1,2 The simultaneous occurrence of symptoms and cognitive impairment in older people may adversely affect their ability to recognize and treat hypoglycemia promptly.

In addition, hypoglycemia in older T2DM patients often presents with atypical neurologic symptoms, including incoordination and ataxia, slurring of speech, and visual disturbances, which either are not identified as hypoglycemia or are misdiagnosed as other medical disorders (eg, transient ischemic attack).3 Knowledge about hypoglycemia symptoms is poor, in both elderly people with diabetes and their relatives and caregivers, which compromises the ability to identify hypoglycemia and provide effective treatment.4 Education about the possible presentations of hypoglycemia and its effective treatment is essential for older patients and their relatives.

Jan Brož, MD
Prague, Czech Republic

We read with interest the review article by Keber and Fiebert, “Diabetes in the elderly: Matching meds to needs” (J Fam Pract. 2018;67:408-410,412-415). The authors have provided a timely overview of antidiabetes medications for elderly people with type 2 diabetes mellitus (T2DM) and their relative risks for hypoglycemia.

We’d like to add to this important conversation.

Aging, per se, modifies the glycemic thresholds for autonomic symptoms and cognitive impairment; in older nondiabetic men (mean + SD: age 65 ± 3 years), autonomic symptoms and cognitive dysfunction commence at identical glycemic thresholds (3 ± 0.2 mmol/L [54 ± 4 mg/dL]). By contrast, in younger men (age 23 ± 2 years), a significant gap is observed between the glycemic threshold for symptom generation (3.6 mmol/L [65 mg/dL]) and the onset of cognitive dysfunction (2.6 mmol/L [47 mg/dL]).1,2 The simultaneous occurrence of symptoms and cognitive impairment in older people may adversely affect their ability to recognize and treat hypoglycemia promptly.

In addition, hypoglycemia in older T2DM patients often presents with atypical neurologic symptoms, including incoordination and ataxia, slurring of speech, and visual disturbances, which either are not identified as hypoglycemia or are misdiagnosed as other medical disorders (eg, transient ischemic attack).3 Knowledge about hypoglycemia symptoms is poor, in both elderly people with diabetes and their relatives and caregivers, which compromises the ability to identify hypoglycemia and provide effective treatment.4 Education about the possible presentations of hypoglycemia and its effective treatment is essential for older patients and their relatives.

Jan Brož, MD
Prague, Czech Republic

References

1. Meneilly GS, Elahi D. Physiological importance of first-phase insulin release in elderly patients with diabetes. Diabetes Care. 1998;21:1326-1329.

2. Matyka K, Evans M, Lomas J, et al. Altered hierarchy of protective responses against severe hypoglycemia in normal aging in healthy men. Diabetes Care. 1997;20:135-141.

3. Jaap AJ, Jones GC, McCrimmon RJ, et al. Perceived symptoms of hypoglycaemia in elderly type 2 diabetic patients treated with insulin. Diabet Med. 1998;15:398-401.

4. Thomson FJ, Masson EA, Leeming JT, et al. Lack of knowledge of symptoms of hypoglycaemia by elderly diabetic patients. Age Ageing. 1991;20:404-406.

References

1. Meneilly GS, Elahi D. Physiological importance of first-phase insulin release in elderly patients with diabetes. Diabetes Care. 1998;21:1326-1329.

2. Matyka K, Evans M, Lomas J, et al. Altered hierarchy of protective responses against severe hypoglycemia in normal aging in healthy men. Diabetes Care. 1997;20:135-141.

3. Jaap AJ, Jones GC, McCrimmon RJ, et al. Perceived symptoms of hypoglycaemia in elderly type 2 diabetic patients treated with insulin. Diabet Med. 1998;15:398-401.

4. Thomson FJ, Masson EA, Leeming JT, et al. Lack of knowledge of symptoms of hypoglycaemia by elderly diabetic patients. Age Ageing. 1991;20:404-406.

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Boosting Alzheimer’s trial participation via Medicare Advantage ‘memory fitness programs’

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Clinical trials represent future hope for patients seeking better care, and there is no disease more in need of better care than Alzheimer’s disease. While death rates among most cancers, as well as heart disease, HIV-related illness, and other categories, have declined in the past decade, there has been no progress for Alzheimer’s disease. Better health and wellness overall may be having a beneficial effect that has produced a reduction in age-adjusted dementia rates, but with the aging of the population there are a greater absolute number of dementia cases than ever before, and that number is expected to continue rising. Finding a disease-modifying therapy seems to be the best hope for changing this dim outlook. Clinical trials intend to do just that but are hampered by patient enrollment rates that remain low. Far fewer eligible patients enroll than are needed, causing studies to take longer to complete, driving up their costs and essentially slowing progress. There is a need to increase patient enrollment, and there has been a variety of efforts intended to address this, not the least of which has been an explosion of media coverage of Alzheimer’s disease.

Dr. Richard J. Caselli

The Global Alzheimer’s Platform (GAP) Foundation, a nonprofit, self-described patient-centric entity dedicated to reducing the time and cost of Alzheimer’s disease clinical trials, recently announced an initiative to increase participation in Alzheimer’s clinical trials by supporting and collaborating with “memory fitness programs” through select Medicare Advantage plans. At worst, this seems a harmless way to increase attention and hopefully interest in clinical trial participation. At best, this may be a cost-effective way to increase enrollment and even improve dementia care. Dementia is notoriously underdiagnosed, especially by overworked, busy primary care providers who simply lack the time to perform the time-consuming testing that is typically required to diagnose and follow such patients.

There are some caveats to consider. First, memory fitness programs are of dubious benefit. They generally fit the description of being harmless, but there is little compelling evidence that they preserve or improve memory.

Second, enrollment in a clinical trial, for a patient, is not always a winning proposition. To date, there has been little success and in the absence of benefit, any downside – even if simply an inconvenience – is a net negative. Recently at the 2018 Clinical Trials on Alzheimer’s Disease meeting, Merck reported that patients with mild cognitive impairment receiving active treatment in the BACE1 inhibitor verubecestat trial actually declined at a more rapid rate than did those on placebo. While the absolute difference was small, and one could argue whether it was clinically significant or simply a random occurrence, it was a reminder that intervention with an experimental agent is not necessarily benign.

Third, Medicare Advantage plans, while popular in some circles, are not considered advantageous to providers so that the proliferation of inadequate reimbursement will potentially fuel the accelerating number of providers who opt out of insurance plans altogether. This is not necessarily an issue for the GAP Foundation specifically but is nonetheless an issue for anything that promotes MA plans).

Finally, it remains important to help patients and families maintain a positive outlook, especially when we have nothing better to offer. Alzheimer’s disease is not a death sentence for every patient affected. While many have difficult and heartbreaking courses, some have slowly progressive courses with relatively little impairment for an extended period of time. There are also the dementia-phobic, cognitively unimpaired individuals (or who simply have normal age-associated cognitive changes) in whom the continued drumbeat of dementia awareness and memory testing raises their paranoia ever higher. We treat deficits (or try to), but we have to live based on our preserved skills. The challenge clinicians must face with patients and families is how to maximize function while compensating for deficits and making sure that patients and families maintain their hope.

Dr. Caselli is professor of neurology at the Mayo Clinic Arizona in Scottsdale and associate director and clinical core director of the Arizona Alzheimer’s Disease Center.

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Clinical trials represent future hope for patients seeking better care, and there is no disease more in need of better care than Alzheimer’s disease. While death rates among most cancers, as well as heart disease, HIV-related illness, and other categories, have declined in the past decade, there has been no progress for Alzheimer’s disease. Better health and wellness overall may be having a beneficial effect that has produced a reduction in age-adjusted dementia rates, but with the aging of the population there are a greater absolute number of dementia cases than ever before, and that number is expected to continue rising. Finding a disease-modifying therapy seems to be the best hope for changing this dim outlook. Clinical trials intend to do just that but are hampered by patient enrollment rates that remain low. Far fewer eligible patients enroll than are needed, causing studies to take longer to complete, driving up their costs and essentially slowing progress. There is a need to increase patient enrollment, and there has been a variety of efforts intended to address this, not the least of which has been an explosion of media coverage of Alzheimer’s disease.

Dr. Richard J. Caselli

The Global Alzheimer’s Platform (GAP) Foundation, a nonprofit, self-described patient-centric entity dedicated to reducing the time and cost of Alzheimer’s disease clinical trials, recently announced an initiative to increase participation in Alzheimer’s clinical trials by supporting and collaborating with “memory fitness programs” through select Medicare Advantage plans. At worst, this seems a harmless way to increase attention and hopefully interest in clinical trial participation. At best, this may be a cost-effective way to increase enrollment and even improve dementia care. Dementia is notoriously underdiagnosed, especially by overworked, busy primary care providers who simply lack the time to perform the time-consuming testing that is typically required to diagnose and follow such patients.

There are some caveats to consider. First, memory fitness programs are of dubious benefit. They generally fit the description of being harmless, but there is little compelling evidence that they preserve or improve memory.

Second, enrollment in a clinical trial, for a patient, is not always a winning proposition. To date, there has been little success and in the absence of benefit, any downside – even if simply an inconvenience – is a net negative. Recently at the 2018 Clinical Trials on Alzheimer’s Disease meeting, Merck reported that patients with mild cognitive impairment receiving active treatment in the BACE1 inhibitor verubecestat trial actually declined at a more rapid rate than did those on placebo. While the absolute difference was small, and one could argue whether it was clinically significant or simply a random occurrence, it was a reminder that intervention with an experimental agent is not necessarily benign.

Third, Medicare Advantage plans, while popular in some circles, are not considered advantageous to providers so that the proliferation of inadequate reimbursement will potentially fuel the accelerating number of providers who opt out of insurance plans altogether. This is not necessarily an issue for the GAP Foundation specifically but is nonetheless an issue for anything that promotes MA plans).

Finally, it remains important to help patients and families maintain a positive outlook, especially when we have nothing better to offer. Alzheimer’s disease is not a death sentence for every patient affected. While many have difficult and heartbreaking courses, some have slowly progressive courses with relatively little impairment for an extended period of time. There are also the dementia-phobic, cognitively unimpaired individuals (or who simply have normal age-associated cognitive changes) in whom the continued drumbeat of dementia awareness and memory testing raises their paranoia ever higher. We treat deficits (or try to), but we have to live based on our preserved skills. The challenge clinicians must face with patients and families is how to maximize function while compensating for deficits and making sure that patients and families maintain their hope.

Dr. Caselli is professor of neurology at the Mayo Clinic Arizona in Scottsdale and associate director and clinical core director of the Arizona Alzheimer’s Disease Center.

 

Clinical trials represent future hope for patients seeking better care, and there is no disease more in need of better care than Alzheimer’s disease. While death rates among most cancers, as well as heart disease, HIV-related illness, and other categories, have declined in the past decade, there has been no progress for Alzheimer’s disease. Better health and wellness overall may be having a beneficial effect that has produced a reduction in age-adjusted dementia rates, but with the aging of the population there are a greater absolute number of dementia cases than ever before, and that number is expected to continue rising. Finding a disease-modifying therapy seems to be the best hope for changing this dim outlook. Clinical trials intend to do just that but are hampered by patient enrollment rates that remain low. Far fewer eligible patients enroll than are needed, causing studies to take longer to complete, driving up their costs and essentially slowing progress. There is a need to increase patient enrollment, and there has been a variety of efforts intended to address this, not the least of which has been an explosion of media coverage of Alzheimer’s disease.

Dr. Richard J. Caselli

The Global Alzheimer’s Platform (GAP) Foundation, a nonprofit, self-described patient-centric entity dedicated to reducing the time and cost of Alzheimer’s disease clinical trials, recently announced an initiative to increase participation in Alzheimer’s clinical trials by supporting and collaborating with “memory fitness programs” through select Medicare Advantage plans. At worst, this seems a harmless way to increase attention and hopefully interest in clinical trial participation. At best, this may be a cost-effective way to increase enrollment and even improve dementia care. Dementia is notoriously underdiagnosed, especially by overworked, busy primary care providers who simply lack the time to perform the time-consuming testing that is typically required to diagnose and follow such patients.

There are some caveats to consider. First, memory fitness programs are of dubious benefit. They generally fit the description of being harmless, but there is little compelling evidence that they preserve or improve memory.

Second, enrollment in a clinical trial, for a patient, is not always a winning proposition. To date, there has been little success and in the absence of benefit, any downside – even if simply an inconvenience – is a net negative. Recently at the 2018 Clinical Trials on Alzheimer’s Disease meeting, Merck reported that patients with mild cognitive impairment receiving active treatment in the BACE1 inhibitor verubecestat trial actually declined at a more rapid rate than did those on placebo. While the absolute difference was small, and one could argue whether it was clinically significant or simply a random occurrence, it was a reminder that intervention with an experimental agent is not necessarily benign.

Third, Medicare Advantage plans, while popular in some circles, are not considered advantageous to providers so that the proliferation of inadequate reimbursement will potentially fuel the accelerating number of providers who opt out of insurance plans altogether. This is not necessarily an issue for the GAP Foundation specifically but is nonetheless an issue for anything that promotes MA plans).

Finally, it remains important to help patients and families maintain a positive outlook, especially when we have nothing better to offer. Alzheimer’s disease is not a death sentence for every patient affected. While many have difficult and heartbreaking courses, some have slowly progressive courses with relatively little impairment for an extended period of time. There are also the dementia-phobic, cognitively unimpaired individuals (or who simply have normal age-associated cognitive changes) in whom the continued drumbeat of dementia awareness and memory testing raises their paranoia ever higher. We treat deficits (or try to), but we have to live based on our preserved skills. The challenge clinicians must face with patients and families is how to maximize function while compensating for deficits and making sure that patients and families maintain their hope.

Dr. Caselli is professor of neurology at the Mayo Clinic Arizona in Scottsdale and associate director and clinical core director of the Arizona Alzheimer’s Disease Center.

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Blood-based signature helps predict status of early AD indicator

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A recently developed blood-based signature can help predict the status of an early Alzheimer’s disease risk indicator with high accuracy, investigators are reporting.

Courtesy NIH

By analyzing as few as four proteins, the machine learning-derived test can predict the status of cerebrospinal fluid (CSF) amyloid beta1-42 (Abeta1-42), according to Noel G. Faux, PHD, of IBM Australia and the University of Melbourne, and co-investigators.

While shifts in Abeta1-42 may signal the presence of disease long before significant cognitive decline is clinically apparent, collection of CSF is highly invasive and expensive, Faux and investigators said in their report.

By contrast, blood biomarkers could prove to be a useful alternative not only to invasive lumbar punctures, they said, but also to the positron emission tomography (PET) evaluation of Abeta1-42, which is expensive and limited in some regions.

“In conjunction with biomarkers for neocortical amyloid burden, the CSF Abeta1-42biomarkers presented in this work may help yield a cheap, non-invasive tool for both improving clinical trials targeting amyloid and population screening,” Dr. Faux and co-authors said in Scientific Reports.

Dr. Faux and colleagues used a Random Forest approach to build models for CSF Abeta1-42 using blood biomarkers and other variables.

They found that a model incorporating age, APOEe4 carrier status, and a number of plasma protein levels predicted Abeta1-42 normal/abnormalstatus with an AUC, sensitivity and specificity of 0.84, 0.78 and 0.73 respectively.

In a model they said was more suitable for clinical application, they narrowed down the variables to 4 plasma analytes and APOEe4 carrier status, which had an AUC, sensitivity, and specificity of 0.81, 0.81 and 0.64 respectively.

They validated the models on a cohort of individuals in the Alzheimer’s Disease Neuroimaging Initiative (ADNI), a large, longitudinal, multicenter study.

Patients with mild cognitive impairment with predicted abnormal CSF Abeta1-42 levels indeed did transition to a diagnosis of Alzheimer’s disease more quickly than those with predicted normal levels, according to investigators.

That helps provide “strong evidence” that the blood-based model is generalizable, robust, and could help stratify patients based on risk of progressing to Alzheimer’s disease, they said in their report.

Dr. Faux and colleagues declared no conflicts of interest related to the research.
 

SOURCE: Goudey B, et al. Sci Rep. 2019 Mar 10. doi: 10.1101/190207v3.

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A recently developed blood-based signature can help predict the status of an early Alzheimer’s disease risk indicator with high accuracy, investigators are reporting.

Courtesy NIH

By analyzing as few as four proteins, the machine learning-derived test can predict the status of cerebrospinal fluid (CSF) amyloid beta1-42 (Abeta1-42), according to Noel G. Faux, PHD, of IBM Australia and the University of Melbourne, and co-investigators.

While shifts in Abeta1-42 may signal the presence of disease long before significant cognitive decline is clinically apparent, collection of CSF is highly invasive and expensive, Faux and investigators said in their report.

By contrast, blood biomarkers could prove to be a useful alternative not only to invasive lumbar punctures, they said, but also to the positron emission tomography (PET) evaluation of Abeta1-42, which is expensive and limited in some regions.

“In conjunction with biomarkers for neocortical amyloid burden, the CSF Abeta1-42biomarkers presented in this work may help yield a cheap, non-invasive tool for both improving clinical trials targeting amyloid and population screening,” Dr. Faux and co-authors said in Scientific Reports.

Dr. Faux and colleagues used a Random Forest approach to build models for CSF Abeta1-42 using blood biomarkers and other variables.

They found that a model incorporating age, APOEe4 carrier status, and a number of plasma protein levels predicted Abeta1-42 normal/abnormalstatus with an AUC, sensitivity and specificity of 0.84, 0.78 and 0.73 respectively.

In a model they said was more suitable for clinical application, they narrowed down the variables to 4 plasma analytes and APOEe4 carrier status, which had an AUC, sensitivity, and specificity of 0.81, 0.81 and 0.64 respectively.

They validated the models on a cohort of individuals in the Alzheimer’s Disease Neuroimaging Initiative (ADNI), a large, longitudinal, multicenter study.

Patients with mild cognitive impairment with predicted abnormal CSF Abeta1-42 levels indeed did transition to a diagnosis of Alzheimer’s disease more quickly than those with predicted normal levels, according to investigators.

That helps provide “strong evidence” that the blood-based model is generalizable, robust, and could help stratify patients based on risk of progressing to Alzheimer’s disease, they said in their report.

Dr. Faux and colleagues declared no conflicts of interest related to the research.
 

SOURCE: Goudey B, et al. Sci Rep. 2019 Mar 10. doi: 10.1101/190207v3.

A recently developed blood-based signature can help predict the status of an early Alzheimer’s disease risk indicator with high accuracy, investigators are reporting.

Courtesy NIH

By analyzing as few as four proteins, the machine learning-derived test can predict the status of cerebrospinal fluid (CSF) amyloid beta1-42 (Abeta1-42), according to Noel G. Faux, PHD, of IBM Australia and the University of Melbourne, and co-investigators.

While shifts in Abeta1-42 may signal the presence of disease long before significant cognitive decline is clinically apparent, collection of CSF is highly invasive and expensive, Faux and investigators said in their report.

By contrast, blood biomarkers could prove to be a useful alternative not only to invasive lumbar punctures, they said, but also to the positron emission tomography (PET) evaluation of Abeta1-42, which is expensive and limited in some regions.

“In conjunction with biomarkers for neocortical amyloid burden, the CSF Abeta1-42biomarkers presented in this work may help yield a cheap, non-invasive tool for both improving clinical trials targeting amyloid and population screening,” Dr. Faux and co-authors said in Scientific Reports.

Dr. Faux and colleagues used a Random Forest approach to build models for CSF Abeta1-42 using blood biomarkers and other variables.

They found that a model incorporating age, APOEe4 carrier status, and a number of plasma protein levels predicted Abeta1-42 normal/abnormalstatus with an AUC, sensitivity and specificity of 0.84, 0.78 and 0.73 respectively.

In a model they said was more suitable for clinical application, they narrowed down the variables to 4 plasma analytes and APOEe4 carrier status, which had an AUC, sensitivity, and specificity of 0.81, 0.81 and 0.64 respectively.

They validated the models on a cohort of individuals in the Alzheimer’s Disease Neuroimaging Initiative (ADNI), a large, longitudinal, multicenter study.

Patients with mild cognitive impairment with predicted abnormal CSF Abeta1-42 levels indeed did transition to a diagnosis of Alzheimer’s disease more quickly than those with predicted normal levels, according to investigators.

That helps provide “strong evidence” that the blood-based model is generalizable, robust, and could help stratify patients based on risk of progressing to Alzheimer’s disease, they said in their report.

Dr. Faux and colleagues declared no conflicts of interest related to the research.
 

SOURCE: Goudey B, et al. Sci Rep. 2019 Mar 10. doi: 10.1101/190207v3.

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Key clinical point: A blood-based signature can help predict the status of an early Alzheimer’s disease risk indicator.

Major finding: Among patients with mild cognitive impairment, those predicted to have abnormal CSF Abeta1-42 transitioned to a diagnosis of AD sooner.

Study details: Machine learning analysis of blood biomarkers and other variables in a validation cohort of 198 individuals.

Disclosures: The study authors declared no conflicts of interest.

Source: Goudey B, et al. Sci Rep. 2019 Mar 10. doi: 10.1101/190207v3.

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The dangers of dog walking

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Elderly people were significantly more likely to experience a fracture while walking a dog in 2017 than they were in 2004, according to data from the U.S. Consumer Product Safety Commission.

The estimated number of fractures associated with walking a leashed dog was 4,396 in 2017 among those aged 65 years and older, compared with 1,671 in 2004, which is a significant increase, Kevin Pirruccio of the University of Pennsylvania, Philadelphia, and his associates wrote in JAMA Surgery.

Over the entire study period, 2004-2017, almost 79% of all fractures occurred in women and 67% of all patients were treated in the emergency department and released. The most common injury was hip fracture (17.3%), although upper-extremity fractures were more common (52.1%) than those of the lower extremities (29.4%), trunk (10.1%), or head and neck (7.3%), the investigators reported.

“For older adults – especially those living alone and with decreased bone mineral density – the risks associated with walking leashed dogs merit consideration. Even one such injury could result in a potentially lethal hip fracture, lifelong complications, or loss of independence,” they wrote.

The retrospective, cross-sectional analysis involved the Consumer Product Safety Commission’s National Electronic Injury Surveillance System database, which includes approximately 100 hospital emergency departments. The investigators did not report any conflicts of interest.

SOURCE: Pirruccio K et al. JAMA Surg. 2019 Mar 6. doi: 10.1001/jamasurg.2019.0061.

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Elderly people were significantly more likely to experience a fracture while walking a dog in 2017 than they were in 2004, according to data from the U.S. Consumer Product Safety Commission.

The estimated number of fractures associated with walking a leashed dog was 4,396 in 2017 among those aged 65 years and older, compared with 1,671 in 2004, which is a significant increase, Kevin Pirruccio of the University of Pennsylvania, Philadelphia, and his associates wrote in JAMA Surgery.

Over the entire study period, 2004-2017, almost 79% of all fractures occurred in women and 67% of all patients were treated in the emergency department and released. The most common injury was hip fracture (17.3%), although upper-extremity fractures were more common (52.1%) than those of the lower extremities (29.4%), trunk (10.1%), or head and neck (7.3%), the investigators reported.

“For older adults – especially those living alone and with decreased bone mineral density – the risks associated with walking leashed dogs merit consideration. Even one such injury could result in a potentially lethal hip fracture, lifelong complications, or loss of independence,” they wrote.

The retrospective, cross-sectional analysis involved the Consumer Product Safety Commission’s National Electronic Injury Surveillance System database, which includes approximately 100 hospital emergency departments. The investigators did not report any conflicts of interest.

SOURCE: Pirruccio K et al. JAMA Surg. 2019 Mar 6. doi: 10.1001/jamasurg.2019.0061.

 

Elderly people were significantly more likely to experience a fracture while walking a dog in 2017 than they were in 2004, according to data from the U.S. Consumer Product Safety Commission.

The estimated number of fractures associated with walking a leashed dog was 4,396 in 2017 among those aged 65 years and older, compared with 1,671 in 2004, which is a significant increase, Kevin Pirruccio of the University of Pennsylvania, Philadelphia, and his associates wrote in JAMA Surgery.

Over the entire study period, 2004-2017, almost 79% of all fractures occurred in women and 67% of all patients were treated in the emergency department and released. The most common injury was hip fracture (17.3%), although upper-extremity fractures were more common (52.1%) than those of the lower extremities (29.4%), trunk (10.1%), or head and neck (7.3%), the investigators reported.

“For older adults – especially those living alone and with decreased bone mineral density – the risks associated with walking leashed dogs merit consideration. Even one such injury could result in a potentially lethal hip fracture, lifelong complications, or loss of independence,” they wrote.

The retrospective, cross-sectional analysis involved the Consumer Product Safety Commission’s National Electronic Injury Surveillance System database, which includes approximately 100 hospital emergency departments. The investigators did not report any conflicts of interest.

SOURCE: Pirruccio K et al. JAMA Surg. 2019 Mar 6. doi: 10.1001/jamasurg.2019.0061.

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Click for Credit: Endometriosis surgery benefits; diabetes & aging; more

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Here are 5 articles from the March issue of Clinician Reviews (individual articles are valid for one year from date of publication—expiration dates below):

1. Endometriosis surgery: Women can expect years-long benefits

To take the posttest, go to: https://bit.ly/2Ez8mdu
Expires January 3, 2019

2. Cerebral small vessel disease progression linked to MCI in hypertensive patients

To take the posttest, go to: https://bit.ly/2ExDV7o
Expires January 4, 2019

3. Adult atopic dermatitis is fraught with dermatologic comorbidities

To take the posttest, go to: https://bit.ly/2Vl7E9a
Expires January 11, 2019

4. Antidepressants tied to greater hip fracture incidence in older adults

To take the posttest, go to: https://bit.ly/2GRfMeH
Expires January 4, 2019

5. Researchers exploring ways to mitigate aging’s impact on diabetes

To take the posttest, go to: https://bit.ly/2tFxF7v
Expires January 8, 2019

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Here are 5 articles from the March issue of Clinician Reviews (individual articles are valid for one year from date of publication—expiration dates below):

1. Endometriosis surgery: Women can expect years-long benefits

To take the posttest, go to: https://bit.ly/2Ez8mdu
Expires January 3, 2019

2. Cerebral small vessel disease progression linked to MCI in hypertensive patients

To take the posttest, go to: https://bit.ly/2ExDV7o
Expires January 4, 2019

3. Adult atopic dermatitis is fraught with dermatologic comorbidities

To take the posttest, go to: https://bit.ly/2Vl7E9a
Expires January 11, 2019

4. Antidepressants tied to greater hip fracture incidence in older adults

To take the posttest, go to: https://bit.ly/2GRfMeH
Expires January 4, 2019

5. Researchers exploring ways to mitigate aging’s impact on diabetes

To take the posttest, go to: https://bit.ly/2tFxF7v
Expires January 8, 2019

Here are 5 articles from the March issue of Clinician Reviews (individual articles are valid for one year from date of publication—expiration dates below):

1. Endometriosis surgery: Women can expect years-long benefits

To take the posttest, go to: https://bit.ly/2Ez8mdu
Expires January 3, 2019

2. Cerebral small vessel disease progression linked to MCI in hypertensive patients

To take the posttest, go to: https://bit.ly/2ExDV7o
Expires January 4, 2019

3. Adult atopic dermatitis is fraught with dermatologic comorbidities

To take the posttest, go to: https://bit.ly/2Vl7E9a
Expires January 11, 2019

4. Antidepressants tied to greater hip fracture incidence in older adults

To take the posttest, go to: https://bit.ly/2GRfMeH
Expires January 4, 2019

5. Researchers exploring ways to mitigate aging’s impact on diabetes

To take the posttest, go to: https://bit.ly/2tFxF7v
Expires January 8, 2019

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Clinician Reviews - 29(3)
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Click for Credit: Endometriosis surgery benefits; diabetes & aging; more
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Flu or strep? Rapid tests can mislead

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Flu or strep? Rapid tests can mislead

A 62-year-old woman presented to our emergency department with fever, chills, hoarseness, pain on swallowing, and a painful neck. Her symptoms had begun 1 day earlier. Because acetaminophen brought no improvement, she went to an urgent care facility, where a nasal swab polymerase chain reaction test was positive for influenza A, and a throat swab rapid test was positive for group A streptococci. She was then referred to our emergency department.

She reported no pre-existing conditions predisposing her to infection. Her temperature was 99.9°F (37.7°C), pulse 112 beats per minute, and respiratory rate 24 breaths per minute. The physical examination was unremarkable except for bilateral anterior cervical adenopathy and bilateral anterior neck tenderness. Her pharynx was not injected, and no exudate, palatal edema, or petechiae were noted.

Results of initial laboratory testing were as follows:

  • White blood cell count 20.5 × 109/L (reference range 3.9–11)
  • Neutrophils 76% (42%–75%)
  • Bands 15% (0%–5%)
  • Lymphocytes 3% (21%–51%)
  • Erythrocyte sedimentation rate 75 mm/h (< 20 mm/h)
  • C-reactive protein 247.14 mg/L (≤ 3 mg/L)
  • Serum aminotransferase levels were normal.
  • Polymerase chain reaction testing of a nasal swab was negative for viral infection.

Throat swabs and blood samples were sent for culture.

Figure 1. Enlarged epiglottis (arrows) visible on lateral neck radiography.
Laryngoscopy revealed a normal oropharynx, hypopharynx, and larynx, but an erythematous and edematous epiglottis with postcricoid edema. Lateral radiography of the neck revealed an enlarged epiglottis (Figure 1).

She was started on ceftriaxone 1 g intravenously every 24 hours, with close observation in the medical intensive care unit, where she was admitted because of epiglottitis. On hospital day 3, the throat culture was reported as negative, but the blood culture was reported as positive for Haemophilus influenzae. Thus, the clinical diagnosis was acute epiglottitis due to H influenzae, not group A streptococci.

The patient completed 10 days of ceftriaxone therapy; her recovery was uneventful, and she was discharged on hospital day 10.

INFLUENZA: CHALLENGES TO PROMPT, ACCURATE DIAGNOSIS

During influenza season, emergency departments are inundated with adults with influenza A and other viral respiratory infections. This makes prompt, accurate diagnosis a challenge,1 given the broad differential diagnosis.2,3 Adults with influenza and its complications as well as unrelated conditions can present a special challenge.4

Our patient presented with acute-onset influenza A and was then found to have acute epiglottitis, an unexpected complication of influenza A.5 A positive rapid test for group A streptococci done at an urgent care facility led emergency department physicians to assume that the acute epiglottitis was due to group A streptococci. Unless correlated with clinical findings, results of rapid diagnostic tests may mislead the unwary practitioner. Accurate diagnosis should be based mainly on the history and physical findings. Results of rapid diagnostic tests can be helpful if interpreted in the clinical context.6–8

The rapid test for streptococci is appropriate for the diagnosis of pharyngitis due to group A streptococci in people under age 30 with acute-onset sore throat, fever, and bilateral acute cervical adenopathy, without fatigue or myalgias. However, the rapid test does not differentiate colonization from infection. Group A streptococci are common colonizers with viral pharyngitis. In 30% of cases of Epstein-Barr virus pharyngitis, there is colonization with group A streptococci. A positive rapid test in such cases can result in the wrong diagnosis, ie, pharyngitis due to group A streptococci rather than Epstein-Barr virus.

References
  1. Cunha BA. The clinical diagnosis of severe viral influenza A. Infection 2008; 36(1):92–93. doi:10.1007/s15010-007-7255-9
  2. Cunha BA, Klein NC, Strollo S, Syed U, Mickail N, Laguerre M. Legionnaires’ disease mimicking swine influenza (H1N1) pneumonia during the “herald wave” of the pandemic. Heart Lung 2010; 39(3):242–248. doi:10.1016/j.hrtlng.2009.10.009
  3. Cunha BA, Raza M. During influenza season: all influenza-like illnesses are not due to influenza: dengue mimicking influenza. J Emerg Med 2015; 48(5):e117–e120. doi:10.1016/j.jemermed.2014.12.051
  4. Cunha CB. Infectious disease differential diagnosis. In: Cunha CB, Cunha BA, eds. Antibiotic Essentials. Jaypee Brothers Medical Pub: New Delhi, India; 2017:493–526.
  5. Cunha BA. Pharyngitis. In: Cunha CB, Cunha BA, eds. Antibiotic Essentials. Jaypee Brothers Medical Pub: New Delhi, India; 2017:42–47.
  6. Cohen JF, Chalumeau M, Levy C, et al. Effect of clinical spectrum, inoculum size and physician characteristics on sensitivity of rapid antigen detection test for group A streptococcal pharyngitis. Eur J Clin Microbiol Infect Dis 2013; 32(6):787–793. doi:10.1007/s10096-012-1809-1
  7. Dimatteo LA, Lowenstein SR, Brimhall B, Reiquam W, Gonzales R. The relationship between the clinical features of pharyngitis and the sensitivity of a rapid antigen test: evidence of spectrum bias. Ann Emerg Med 2001; 38(6):648–652. doi:10.1067/mem.2001.119850
  8. Cunha BA. A positive rapid strep test in a young adult with acute pharyngitis: be careful what you wish for! IDCases 2017; 10:58–59. doi:10.1016/j.idcr.2017.08.012
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Burke A. Cunha, MD, MACP
Chief, Infectious Disease Division, NYU Winthrop Hospital, Mineola, NY; Professor of Medicine, State University of New York School of Medicine, Stony Brook, NY

Nonso Osakwe, MD
Infectious Disease Division, NYU Winthrop Hospital, Mineola, NY

Address: Burke A. Cunha, MD, MACP, Infectious Disease Division, NYU Winthrop Hospital, 222 Station Plaza North (Suite #432), Mineola, NY 11501; burke.cunha@nyuwinthrop.org

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influenza, flu, group A streptococcus, streptococci, Haemophilus influenza, H influenzae, strep, strep throat, sore throat, epiglottitis, polymerase chain reaction, PCR, rapid test, Epstein-Barr virus, pharyngitis, throat swab, ceftriaxone, Burke Cunha, Nonso Osakwe
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Chief, Infectious Disease Division, NYU Winthrop Hospital, Mineola, NY; Professor of Medicine, State University of New York School of Medicine, Stony Brook, NY

Nonso Osakwe, MD
Infectious Disease Division, NYU Winthrop Hospital, Mineola, NY

Address: Burke A. Cunha, MD, MACP, Infectious Disease Division, NYU Winthrop Hospital, 222 Station Plaza North (Suite #432), Mineola, NY 11501; burke.cunha@nyuwinthrop.org

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Chief, Infectious Disease Division, NYU Winthrop Hospital, Mineola, NY; Professor of Medicine, State University of New York School of Medicine, Stony Brook, NY

Nonso Osakwe, MD
Infectious Disease Division, NYU Winthrop Hospital, Mineola, NY

Address: Burke A. Cunha, MD, MACP, Infectious Disease Division, NYU Winthrop Hospital, 222 Station Plaza North (Suite #432), Mineola, NY 11501; burke.cunha@nyuwinthrop.org

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A 62-year-old woman presented to our emergency department with fever, chills, hoarseness, pain on swallowing, and a painful neck. Her symptoms had begun 1 day earlier. Because acetaminophen brought no improvement, she went to an urgent care facility, where a nasal swab polymerase chain reaction test was positive for influenza A, and a throat swab rapid test was positive for group A streptococci. She was then referred to our emergency department.

She reported no pre-existing conditions predisposing her to infection. Her temperature was 99.9°F (37.7°C), pulse 112 beats per minute, and respiratory rate 24 breaths per minute. The physical examination was unremarkable except for bilateral anterior cervical adenopathy and bilateral anterior neck tenderness. Her pharynx was not injected, and no exudate, palatal edema, or petechiae were noted.

Results of initial laboratory testing were as follows:

  • White blood cell count 20.5 × 109/L (reference range 3.9–11)
  • Neutrophils 76% (42%–75%)
  • Bands 15% (0%–5%)
  • Lymphocytes 3% (21%–51%)
  • Erythrocyte sedimentation rate 75 mm/h (< 20 mm/h)
  • C-reactive protein 247.14 mg/L (≤ 3 mg/L)
  • Serum aminotransferase levels were normal.
  • Polymerase chain reaction testing of a nasal swab was negative for viral infection.

Throat swabs and blood samples were sent for culture.

Figure 1. Enlarged epiglottis (arrows) visible on lateral neck radiography.
Laryngoscopy revealed a normal oropharynx, hypopharynx, and larynx, but an erythematous and edematous epiglottis with postcricoid edema. Lateral radiography of the neck revealed an enlarged epiglottis (Figure 1).

She was started on ceftriaxone 1 g intravenously every 24 hours, with close observation in the medical intensive care unit, where she was admitted because of epiglottitis. On hospital day 3, the throat culture was reported as negative, but the blood culture was reported as positive for Haemophilus influenzae. Thus, the clinical diagnosis was acute epiglottitis due to H influenzae, not group A streptococci.

The patient completed 10 days of ceftriaxone therapy; her recovery was uneventful, and she was discharged on hospital day 10.

INFLUENZA: CHALLENGES TO PROMPT, ACCURATE DIAGNOSIS

During influenza season, emergency departments are inundated with adults with influenza A and other viral respiratory infections. This makes prompt, accurate diagnosis a challenge,1 given the broad differential diagnosis.2,3 Adults with influenza and its complications as well as unrelated conditions can present a special challenge.4

Our patient presented with acute-onset influenza A and was then found to have acute epiglottitis, an unexpected complication of influenza A.5 A positive rapid test for group A streptococci done at an urgent care facility led emergency department physicians to assume that the acute epiglottitis was due to group A streptococci. Unless correlated with clinical findings, results of rapid diagnostic tests may mislead the unwary practitioner. Accurate diagnosis should be based mainly on the history and physical findings. Results of rapid diagnostic tests can be helpful if interpreted in the clinical context.6–8

The rapid test for streptococci is appropriate for the diagnosis of pharyngitis due to group A streptococci in people under age 30 with acute-onset sore throat, fever, and bilateral acute cervical adenopathy, without fatigue or myalgias. However, the rapid test does not differentiate colonization from infection. Group A streptococci are common colonizers with viral pharyngitis. In 30% of cases of Epstein-Barr virus pharyngitis, there is colonization with group A streptococci. A positive rapid test in such cases can result in the wrong diagnosis, ie, pharyngitis due to group A streptococci rather than Epstein-Barr virus.

A 62-year-old woman presented to our emergency department with fever, chills, hoarseness, pain on swallowing, and a painful neck. Her symptoms had begun 1 day earlier. Because acetaminophen brought no improvement, she went to an urgent care facility, where a nasal swab polymerase chain reaction test was positive for influenza A, and a throat swab rapid test was positive for group A streptococci. She was then referred to our emergency department.

She reported no pre-existing conditions predisposing her to infection. Her temperature was 99.9°F (37.7°C), pulse 112 beats per minute, and respiratory rate 24 breaths per minute. The physical examination was unremarkable except for bilateral anterior cervical adenopathy and bilateral anterior neck tenderness. Her pharynx was not injected, and no exudate, palatal edema, or petechiae were noted.

Results of initial laboratory testing were as follows:

  • White blood cell count 20.5 × 109/L (reference range 3.9–11)
  • Neutrophils 76% (42%–75%)
  • Bands 15% (0%–5%)
  • Lymphocytes 3% (21%–51%)
  • Erythrocyte sedimentation rate 75 mm/h (< 20 mm/h)
  • C-reactive protein 247.14 mg/L (≤ 3 mg/L)
  • Serum aminotransferase levels were normal.
  • Polymerase chain reaction testing of a nasal swab was negative for viral infection.

Throat swabs and blood samples were sent for culture.

Figure 1. Enlarged epiglottis (arrows) visible on lateral neck radiography.
Laryngoscopy revealed a normal oropharynx, hypopharynx, and larynx, but an erythematous and edematous epiglottis with postcricoid edema. Lateral radiography of the neck revealed an enlarged epiglottis (Figure 1).

She was started on ceftriaxone 1 g intravenously every 24 hours, with close observation in the medical intensive care unit, where she was admitted because of epiglottitis. On hospital day 3, the throat culture was reported as negative, but the blood culture was reported as positive for Haemophilus influenzae. Thus, the clinical diagnosis was acute epiglottitis due to H influenzae, not group A streptococci.

The patient completed 10 days of ceftriaxone therapy; her recovery was uneventful, and she was discharged on hospital day 10.

INFLUENZA: CHALLENGES TO PROMPT, ACCURATE DIAGNOSIS

During influenza season, emergency departments are inundated with adults with influenza A and other viral respiratory infections. This makes prompt, accurate diagnosis a challenge,1 given the broad differential diagnosis.2,3 Adults with influenza and its complications as well as unrelated conditions can present a special challenge.4

Our patient presented with acute-onset influenza A and was then found to have acute epiglottitis, an unexpected complication of influenza A.5 A positive rapid test for group A streptococci done at an urgent care facility led emergency department physicians to assume that the acute epiglottitis was due to group A streptococci. Unless correlated with clinical findings, results of rapid diagnostic tests may mislead the unwary practitioner. Accurate diagnosis should be based mainly on the history and physical findings. Results of rapid diagnostic tests can be helpful if interpreted in the clinical context.6–8

The rapid test for streptococci is appropriate for the diagnosis of pharyngitis due to group A streptococci in people under age 30 with acute-onset sore throat, fever, and bilateral acute cervical adenopathy, without fatigue or myalgias. However, the rapid test does not differentiate colonization from infection. Group A streptococci are common colonizers with viral pharyngitis. In 30% of cases of Epstein-Barr virus pharyngitis, there is colonization with group A streptococci. A positive rapid test in such cases can result in the wrong diagnosis, ie, pharyngitis due to group A streptococci rather than Epstein-Barr virus.

References
  1. Cunha BA. The clinical diagnosis of severe viral influenza A. Infection 2008; 36(1):92–93. doi:10.1007/s15010-007-7255-9
  2. Cunha BA, Klein NC, Strollo S, Syed U, Mickail N, Laguerre M. Legionnaires’ disease mimicking swine influenza (H1N1) pneumonia during the “herald wave” of the pandemic. Heart Lung 2010; 39(3):242–248. doi:10.1016/j.hrtlng.2009.10.009
  3. Cunha BA, Raza M. During influenza season: all influenza-like illnesses are not due to influenza: dengue mimicking influenza. J Emerg Med 2015; 48(5):e117–e120. doi:10.1016/j.jemermed.2014.12.051
  4. Cunha CB. Infectious disease differential diagnosis. In: Cunha CB, Cunha BA, eds. Antibiotic Essentials. Jaypee Brothers Medical Pub: New Delhi, India; 2017:493–526.
  5. Cunha BA. Pharyngitis. In: Cunha CB, Cunha BA, eds. Antibiotic Essentials. Jaypee Brothers Medical Pub: New Delhi, India; 2017:42–47.
  6. Cohen JF, Chalumeau M, Levy C, et al. Effect of clinical spectrum, inoculum size and physician characteristics on sensitivity of rapid antigen detection test for group A streptococcal pharyngitis. Eur J Clin Microbiol Infect Dis 2013; 32(6):787–793. doi:10.1007/s10096-012-1809-1
  7. Dimatteo LA, Lowenstein SR, Brimhall B, Reiquam W, Gonzales R. The relationship between the clinical features of pharyngitis and the sensitivity of a rapid antigen test: evidence of spectrum bias. Ann Emerg Med 2001; 38(6):648–652. doi:10.1067/mem.2001.119850
  8. Cunha BA. A positive rapid strep test in a young adult with acute pharyngitis: be careful what you wish for! IDCases 2017; 10:58–59. doi:10.1016/j.idcr.2017.08.012
References
  1. Cunha BA. The clinical diagnosis of severe viral influenza A. Infection 2008; 36(1):92–93. doi:10.1007/s15010-007-7255-9
  2. Cunha BA, Klein NC, Strollo S, Syed U, Mickail N, Laguerre M. Legionnaires’ disease mimicking swine influenza (H1N1) pneumonia during the “herald wave” of the pandemic. Heart Lung 2010; 39(3):242–248. doi:10.1016/j.hrtlng.2009.10.009
  3. Cunha BA, Raza M. During influenza season: all influenza-like illnesses are not due to influenza: dengue mimicking influenza. J Emerg Med 2015; 48(5):e117–e120. doi:10.1016/j.jemermed.2014.12.051
  4. Cunha CB. Infectious disease differential diagnosis. In: Cunha CB, Cunha BA, eds. Antibiotic Essentials. Jaypee Brothers Medical Pub: New Delhi, India; 2017:493–526.
  5. Cunha BA. Pharyngitis. In: Cunha CB, Cunha BA, eds. Antibiotic Essentials. Jaypee Brothers Medical Pub: New Delhi, India; 2017:42–47.
  6. Cohen JF, Chalumeau M, Levy C, et al. Effect of clinical spectrum, inoculum size and physician characteristics on sensitivity of rapid antigen detection test for group A streptococcal pharyngitis. Eur J Clin Microbiol Infect Dis 2013; 32(6):787–793. doi:10.1007/s10096-012-1809-1
  7. Dimatteo LA, Lowenstein SR, Brimhall B, Reiquam W, Gonzales R. The relationship between the clinical features of pharyngitis and the sensitivity of a rapid antigen test: evidence of spectrum bias. Ann Emerg Med 2001; 38(6):648–652. doi:10.1067/mem.2001.119850
  8. Cunha BA. A positive rapid strep test in a young adult with acute pharyngitis: be careful what you wish for! IDCases 2017; 10:58–59. doi:10.1016/j.idcr.2017.08.012
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Flu or strep? Rapid tests can mislead
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Flu or strep? Rapid tests can mislead
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influenza, flu, group A streptococcus, streptococci, Haemophilus influenza, H influenzae, strep, strep throat, sore throat, epiglottitis, polymerase chain reaction, PCR, rapid test, Epstein-Barr virus, pharyngitis, throat swab, ceftriaxone, Burke Cunha, Nonso Osakwe
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influenza, flu, group A streptococcus, streptococci, Haemophilus influenza, H influenzae, strep, strep throat, sore throat, epiglottitis, polymerase chain reaction, PCR, rapid test, Epstein-Barr virus, pharyngitis, throat swab, ceftriaxone, Burke Cunha, Nonso Osakwe
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Norwegian scabies

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Norwegian scabies

Figure 1. The hyperkeratotic lesions covered the trunk (A), arms, and hands (B).
A bedridden 78-year-old man with advanced dementia was transported to the dermatology outpatient department with a rash and intense itching over the entire body from the feet to the scalp. His medical history included diabetes mellitus, hypertension, and Alzheimer dementia. He had no history of allergies.

Figure 2. Microscopic study of hyperkeratotic lesion scrapings revealed scabies mites (arrows) and eggs (arrowhead).
His vital signs were normal. Physical examination noted widespread crusted hyperkeratotic lesions on the trunk, arms, and hands (Figure 1). A potassium hydroxide mount of scrapings of the lesions revealed extensive infestation with Sarcoptes scabiei,1 with a very high number of eggs and fecal pellets (Figure 2). This finding led to a diagnosis of crusted or Norwegian scabies, an extremely contagious form of scabies seen in immunocompromised, malnourished, and bedridden elderly or institutionalized patients.

DIAGNOSIS, TREATMENT, CONTROL

The differential diagnosis of Norwegian scabies includes psoriasis, eczema, contact dermatitis, insect bites, seborrheic dermatitis, lichen planus, systemic infection, palmoplantar keratoderma, and cutaneous lymphoma.2

Treatment involves eradicating the infestation with a topical ointment consisting of permethrin, crotamiton, lindane, benzyl benzoate, and sulfur, applied directly to the skin. However, topical treatments often cannot penetrate the crusted and thickened skin, leading to treatment failure. A dose of oral ivermectin 200 µg/kg on days 1, 2, and 8 is a safe, effective, first-line treatment for Norwegian scabies, rapidly reducing scabies symptoms.3 Adverse effects of oral ivermectin are rare and usually minor.

Norwegian scabies is extremely contagious, spread by close physical contact and sharing of contaminated items such as clothing, bedding, towels, and furniture. Scabies mites can survive off the skin for 48 to 72 hours at room temperature.4 Potentially contaminated items should be decontaminated by washing in hot water and drying in a drying machine or by dry cleaning. Body contact with other contaminated items should be avoided for at least 72 hours.

Outbreaks can spread among patients, visitors, and medical staff in institutions such as nursing homes, day care centers, long-term-care facilities, and hospitals.5 Early identification facilitates appropriate management and treatment, thereby preventing infection and community-wide scabies outbreaks.          

Acknowledgment: The authors would like to sincerely thank Paul Williams for his editing of the article.

References
  1. Leone PA. Scabies and pediculosis pubis: an update of treatment regimens and general review. Clin Infect Dis 2007; 44(suppl 3):S153–S159. doi:10.1086/511428
  2. Siegfried EC, Hebert AA. Diagnosis of atopic dermatitis: mimics, overlaps, and complications. J Clin Med 2015; 4(5):884–917. doi:10.3390/jcm4050884
  3. Salavastru CM, Chosidow O, Boffa MJ, Janier M, Tiplica GS. European guideline for the management of scabies. J Eur Acad Dermatol Venereol 2017; 31(8):1248–1253. doi:10.1111/jdv.14351
  4. Khalil S, Abbas O, Kibbi AG, Kurban M. Scabies in the age of increasing drug resistance. PLoS Negl Trop Dis 2017; 11(11):e0005920. doi:10.1371/journal.pntd.0005920
  5. Anderson KL, Strowd LC. Epidemiology, diagnosis, and treatment of scabies in a dermatology office. J Am Board Fam Med 2017; 30(1):78–84. doi:10.3122/jabfm.2017.01.160190
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Hiroki Matsuura, MD
Department of General Internal Medicine, Okayama City Hospital, Okayama, Japan; Department of General Internal Medicine, Mitoyo General Hospital, Kagawa, Japan

Akemi Senoo, MD, PhD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan; Department of Dermatology, Okayama Red-Cross Hospital, Okayama, Japan

Mari Saito, MD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan

Yuko Fujimoto, MD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan; Department of Dermatology, Okayama University Hospital, Okayama, Japan

Address: Hiroki Matsuura, MD, Department of General Internal Medicine, Mitoyo General Hospital, 708 Himehama, Toyohama-cho, Kanonji-city, Kagawa, 769-1695 Japan; superonewex0506@yahoo.co.jp

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scabies, Norwegian scabies, Sarcoptes scabiei, itching, Alzheimer dementia, keratosis, infestation, insect, bugs, Hiroki Matsuura, Akemi Senoo, Mari Saito, Yuko Fujimoto
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Department of General Internal Medicine, Okayama City Hospital, Okayama, Japan; Department of General Internal Medicine, Mitoyo General Hospital, Kagawa, Japan

Akemi Senoo, MD, PhD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan; Department of Dermatology, Okayama Red-Cross Hospital, Okayama, Japan

Mari Saito, MD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan

Yuko Fujimoto, MD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan; Department of Dermatology, Okayama University Hospital, Okayama, Japan

Address: Hiroki Matsuura, MD, Department of General Internal Medicine, Mitoyo General Hospital, 708 Himehama, Toyohama-cho, Kanonji-city, Kagawa, 769-1695 Japan; superonewex0506@yahoo.co.jp

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Hiroki Matsuura, MD
Department of General Internal Medicine, Okayama City Hospital, Okayama, Japan; Department of General Internal Medicine, Mitoyo General Hospital, Kagawa, Japan

Akemi Senoo, MD, PhD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan; Department of Dermatology, Okayama Red-Cross Hospital, Okayama, Japan

Mari Saito, MD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan

Yuko Fujimoto, MD
Department of Dermatology, Mitoyo General Hospital, Kagawa, Japan; Department of Dermatology, Okayama University Hospital, Okayama, Japan

Address: Hiroki Matsuura, MD, Department of General Internal Medicine, Mitoyo General Hospital, 708 Himehama, Toyohama-cho, Kanonji-city, Kagawa, 769-1695 Japan; superonewex0506@yahoo.co.jp

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Figure 1. The hyperkeratotic lesions covered the trunk (A), arms, and hands (B).
A bedridden 78-year-old man with advanced dementia was transported to the dermatology outpatient department with a rash and intense itching over the entire body from the feet to the scalp. His medical history included diabetes mellitus, hypertension, and Alzheimer dementia. He had no history of allergies.

Figure 2. Microscopic study of hyperkeratotic lesion scrapings revealed scabies mites (arrows) and eggs (arrowhead).
His vital signs were normal. Physical examination noted widespread crusted hyperkeratotic lesions on the trunk, arms, and hands (Figure 1). A potassium hydroxide mount of scrapings of the lesions revealed extensive infestation with Sarcoptes scabiei,1 with a very high number of eggs and fecal pellets (Figure 2). This finding led to a diagnosis of crusted or Norwegian scabies, an extremely contagious form of scabies seen in immunocompromised, malnourished, and bedridden elderly or institutionalized patients.

DIAGNOSIS, TREATMENT, CONTROL

The differential diagnosis of Norwegian scabies includes psoriasis, eczema, contact dermatitis, insect bites, seborrheic dermatitis, lichen planus, systemic infection, palmoplantar keratoderma, and cutaneous lymphoma.2

Treatment involves eradicating the infestation with a topical ointment consisting of permethrin, crotamiton, lindane, benzyl benzoate, and sulfur, applied directly to the skin. However, topical treatments often cannot penetrate the crusted and thickened skin, leading to treatment failure. A dose of oral ivermectin 200 µg/kg on days 1, 2, and 8 is a safe, effective, first-line treatment for Norwegian scabies, rapidly reducing scabies symptoms.3 Adverse effects of oral ivermectin are rare and usually minor.

Norwegian scabies is extremely contagious, spread by close physical contact and sharing of contaminated items such as clothing, bedding, towels, and furniture. Scabies mites can survive off the skin for 48 to 72 hours at room temperature.4 Potentially contaminated items should be decontaminated by washing in hot water and drying in a drying machine or by dry cleaning. Body contact with other contaminated items should be avoided for at least 72 hours.

Outbreaks can spread among patients, visitors, and medical staff in institutions such as nursing homes, day care centers, long-term-care facilities, and hospitals.5 Early identification facilitates appropriate management and treatment, thereby preventing infection and community-wide scabies outbreaks.          

Acknowledgment: The authors would like to sincerely thank Paul Williams for his editing of the article.

Figure 1. The hyperkeratotic lesions covered the trunk (A), arms, and hands (B).
A bedridden 78-year-old man with advanced dementia was transported to the dermatology outpatient department with a rash and intense itching over the entire body from the feet to the scalp. His medical history included diabetes mellitus, hypertension, and Alzheimer dementia. He had no history of allergies.

Figure 2. Microscopic study of hyperkeratotic lesion scrapings revealed scabies mites (arrows) and eggs (arrowhead).
His vital signs were normal. Physical examination noted widespread crusted hyperkeratotic lesions on the trunk, arms, and hands (Figure 1). A potassium hydroxide mount of scrapings of the lesions revealed extensive infestation with Sarcoptes scabiei,1 with a very high number of eggs and fecal pellets (Figure 2). This finding led to a diagnosis of crusted or Norwegian scabies, an extremely contagious form of scabies seen in immunocompromised, malnourished, and bedridden elderly or institutionalized patients.

DIAGNOSIS, TREATMENT, CONTROL

The differential diagnosis of Norwegian scabies includes psoriasis, eczema, contact dermatitis, insect bites, seborrheic dermatitis, lichen planus, systemic infection, palmoplantar keratoderma, and cutaneous lymphoma.2

Treatment involves eradicating the infestation with a topical ointment consisting of permethrin, crotamiton, lindane, benzyl benzoate, and sulfur, applied directly to the skin. However, topical treatments often cannot penetrate the crusted and thickened skin, leading to treatment failure. A dose of oral ivermectin 200 µg/kg on days 1, 2, and 8 is a safe, effective, first-line treatment for Norwegian scabies, rapidly reducing scabies symptoms.3 Adverse effects of oral ivermectin are rare and usually minor.

Norwegian scabies is extremely contagious, spread by close physical contact and sharing of contaminated items such as clothing, bedding, towels, and furniture. Scabies mites can survive off the skin for 48 to 72 hours at room temperature.4 Potentially contaminated items should be decontaminated by washing in hot water and drying in a drying machine or by dry cleaning. Body contact with other contaminated items should be avoided for at least 72 hours.

Outbreaks can spread among patients, visitors, and medical staff in institutions such as nursing homes, day care centers, long-term-care facilities, and hospitals.5 Early identification facilitates appropriate management and treatment, thereby preventing infection and community-wide scabies outbreaks.          

Acknowledgment: The authors would like to sincerely thank Paul Williams for his editing of the article.

References
  1. Leone PA. Scabies and pediculosis pubis: an update of treatment regimens and general review. Clin Infect Dis 2007; 44(suppl 3):S153–S159. doi:10.1086/511428
  2. Siegfried EC, Hebert AA. Diagnosis of atopic dermatitis: mimics, overlaps, and complications. J Clin Med 2015; 4(5):884–917. doi:10.3390/jcm4050884
  3. Salavastru CM, Chosidow O, Boffa MJ, Janier M, Tiplica GS. European guideline for the management of scabies. J Eur Acad Dermatol Venereol 2017; 31(8):1248–1253. doi:10.1111/jdv.14351
  4. Khalil S, Abbas O, Kibbi AG, Kurban M. Scabies in the age of increasing drug resistance. PLoS Negl Trop Dis 2017; 11(11):e0005920. doi:10.1371/journal.pntd.0005920
  5. Anderson KL, Strowd LC. Epidemiology, diagnosis, and treatment of scabies in a dermatology office. J Am Board Fam Med 2017; 30(1):78–84. doi:10.3122/jabfm.2017.01.160190
References
  1. Leone PA. Scabies and pediculosis pubis: an update of treatment regimens and general review. Clin Infect Dis 2007; 44(suppl 3):S153–S159. doi:10.1086/511428
  2. Siegfried EC, Hebert AA. Diagnosis of atopic dermatitis: mimics, overlaps, and complications. J Clin Med 2015; 4(5):884–917. doi:10.3390/jcm4050884
  3. Salavastru CM, Chosidow O, Boffa MJ, Janier M, Tiplica GS. European guideline for the management of scabies. J Eur Acad Dermatol Venereol 2017; 31(8):1248–1253. doi:10.1111/jdv.14351
  4. Khalil S, Abbas O, Kibbi AG, Kurban M. Scabies in the age of increasing drug resistance. PLoS Negl Trop Dis 2017; 11(11):e0005920. doi:10.1371/journal.pntd.0005920
  5. Anderson KL, Strowd LC. Epidemiology, diagnosis, and treatment of scabies in a dermatology office. J Am Board Fam Med 2017; 30(1):78–84. doi:10.3122/jabfm.2017.01.160190
Issue
Cleveland Clinic Journal of Medicine - 86(3)
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Cleveland Clinic Journal of Medicine - 86(3)
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163-164
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Norwegian scabies
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Norwegian scabies
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scabies, Norwegian scabies, Sarcoptes scabiei, itching, Alzheimer dementia, keratosis, infestation, insect, bugs, Hiroki Matsuura, Akemi Senoo, Mari Saito, Yuko Fujimoto
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scabies, Norwegian scabies, Sarcoptes scabiei, itching, Alzheimer dementia, keratosis, infestation, insect, bugs, Hiroki Matsuura, Akemi Senoo, Mari Saito, Yuko Fujimoto
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