JAMA Internal Medicine




دسترسی یکساله به بیش از ۵۰۰ ژورنال روز جهان موجود در سامانه
    http://medilib.ir
  • ﻣﺪﺕ ﺯﻣﺎﻥ : 365 ﺭﻭﺯ
  • قیمت : 3,800,000 تومان
  • قیمت ویژه : 1,900,000تومان
سفارش

Challenges of a Supplemental Private Option Under National Health Insurance—Observations From Australia

Bruce E. Landon, MD, MBA; Shaun Larkin, HlthScD, MBA; Adam G. Elshaug, PhD

doi : 10.1001/jamainternmed.2020.8435

JAMA Intern Med. 2021;181(4):421-422

As the US debates possible policy paths to achieve affordable and sustainable universal health insurance coverage, there has been support for maintaining private choice in the market. Although private insurance is currently central to the US health care system, its potential role, if any, under alternative approaches to coverage expansion, such as Medicare for All, is less clear. Many countries with universal coverage maintain private insurance for services that are not covered. However, Australia is one of the few countries with universal government-sponsored insurance that actively promotes the use of parallel private insurance to supplement public coverage for services that are covered. Currently, about 44% of Australians have some form of private hospital insurance.1 In this article, we discuss the role of private hospital insurance in Australia, some of the benefits and drawbacks, and how the Australian example might inform US policy.

خرید پکیج و مشاهده آنلاین مقاله


Authorized Generics and Their Evolving Role in Prescription Drug Pricing and Access

Stacie B. Dusetzina, PhD; Nancy L. Keating, MD, MPH; Haiden A. Huskamp, PhD

doi : 10.1001/jamainternmed.2020.8450

JAMA Intern Med. 2021;181(4):423-424

In recent years, amid public outcry over high prices, several large pharmaceutical companies have launched “authorized generic” versions of their brand-name products at steeply reduced list prices, including for epinephrine injectors (EpiPen), insulin (Humalog and NovoLog), and hepatitis C treatments (Harvoni and Epclusa). In each case, the manufacturers garnered positive media attention1,2 when announcing their authorized generic products and the potential savings for patients, even while their brand-name counterparts remained under patent protection for years to come. These examples raise important questions about the incentives for manufacturers of brand-name medicines to introduce authorized generics and whether their availability benefits consumers. In this Viewpoint, we explain what authorized generics are, describe 3 ways that they are used, and consider whether they improve access to prescription drugs or lower out-of-pocket spending for patients.

خرید پکیج و مشاهده آنلاین مقاله


Testimony of the Beirut Explosion—A White Coat Soaked in Blood and Tears

Bachar El-Baba

doi : 10.1001/jamainternmed.2020.8720

JAMA Intern Med. 2021;181(4):425-426

My name is Bachar El-Baba. I am a Lebanese medical student in my last year of training at the University of Balamand, rotating at Saint George Hospital University Medical Center in Achrafieh-Beirut, Lebanon. I am writing this testimony to document what happened on Tuesday, August 4, 2020, from the perspective of a first-line responder.

خرید پکیج و مشاهده آنلاین مقاله


Efficacy of a Combination of Conservative Therapies vs an Education Comparator on Clinical Outcomes in Thumb Base OsteoarthritisA Randomized Clinical Trial

Leticia A. Deveza, MD, PhD; Sarah R. Robbins, PhD; Vicky Duong, BSc (Hons); et al.

doi : 10.1001/jamainternmed.2020.7101

JAMA Intern Med. 2021;181(4):429-438

Importance  A combination of conservative treatments is commonly used in clinical practice for thumb base osteoarthritis despite limited evidence for this approach.

خرید پکیج و مشاهده آنلاین مقاله


Risk Factors Associated With All-Cause 30-Day Mortality in Nursing Home Residents With COVID-19

Orestis A. Panagiotou, MD, PhD; Cyrus M. Kosar, MA; Elizabeth M. White, PhD, APRN; et al.

doi : 10.1001/jamainternmed.2020.7968

JAMA Intern Med. 2021;181(4):439-448

Importance  The coronavirus disease 2019 (COVID-19) pandemic has severely affected nursing homes. Vulnerable nursing home residents are at high risk for adverse outcomes, but improved understanding is needed to identify risk factors for mortality among nursing home residents.

خرید پکیج و مشاهده آنلاین مقاله


Estimated SARS-CoV-2 Seroprevalence in the US as of September 2020

Kristina L. Bajema, MD, MSc; Ryan E. Wiegand, MS; Kendra Cuffe, MPH; et al.

doi : 10.1001/jamainternmed.2020.7976

JAMA Intern Med. 2021;181(4):450-460

Importance  Case-based surveillance of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection likely underestimates the true prevalence of infections. Large-scale seroprevalence surveys can better estimate infection across many geographic regions.

خرید پکیج و مشاهده آنلاین مقاله


Evaluation of Cloth Masks and Modified Procedure Masks as Personal Protective Equipment for the Public During the COVID-19 Pandemic

Phillip W. Clapp, PhD; Emily E. Sickbert-Bennett, PhD, MS; James M. Samet, PhD, MPH; et al.

doi : 10.1001/jamainternmed.2020.8168

JAMA Intern Med. 2021;181(4):463-469

Importance  During the coronavirus disease 2019 (COVID-19) pandemic, the general public has been advised to wear masks or improvised face coverings to limit transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, there has been considerable confusion and disagreement regarding the degree to which masks protect the wearer from airborne particles.

خرید پکیج و مشاهده آنلاین مقاله


Variation in US Hospital Mortality Rates for Patients Admitted With COVID-19 During the First 6 Months of the Pandemic

David A. Asch, MD, MBA; Natalie E. Sheils, PhD; Md Nazmul Islam, PhD, MBA; et al.

doi : 10.1001/jamainternmed.2020.8193

JAMA Intern Med. 2021;181(4):471-478

Importance  It is unknown how much the mortality of patients with coronavirus disease 2019 (COVID-19) depends on the hospital that cares for them, and whether COVID-19 hospital mortality rates are improving.

خرید پکیج و مشاهده آنلاین مقاله


Association of the Intensity of Diagnostic Evaluation With Outcomes in Incidentally Detected Lung Nodules

Farhood Farjah, MD, MPH; Sarah E. Monsell, MS; Michael K. Gould, MD, MS; et al.

doi : 10.1001/jamainternmed.2020.8250

JAMA Intern Med. 2021;181(4):480-489

Importance  Whether guideline-concordant lung nodule evaluations lead to better outcomes remains unknown.

خرید پکیج و مشاهده آنلاین مقاله


Assessment of Coverage in England of Cancer Drugs Qualifying for US Food and Drug Administration Accelerated Approval

Avi Cherla, MSc; Huseyin Naci, MHS, PhD; Aaron S. Kesselheim, MD, JD, MPH; et al.

doi : 10.1001/jamainternmed.2020.8441

JAMA Intern Med. 2021;181(4):490-498

Importance  Numerous cancer drugs have received accelerated approval from the US Food and Drug Administration (FDA) based on clinical trial outcomes that are otherwise not acceptable for traditional FDA approval; the accelerated approval process allows outcomes based on surrogate measures that are only reasonably likely to estimate clinical benefits. In England, the National Institute for Health and Care Excellence (NICE) evaluates the clinical benefits and cost-effectiveness of drugs after they have received regulatory approval and issues recommendations regarding their coverage in the National Health Service (NHS). However, the level of concordance between European and FDA decision-making in the context of drugs qualifying for FDA accelerated approval is unknown.

خرید پکیج و مشاهده آنلاین مقاله


Evaluation of the Clinical Benefit of Cancer Drugs Submitted for Reimbursement Recommendation Decisions in Canada

Daniel E. Meyers, MD, MSc; Kristina Jenei, BSN; Timothy M. Chisamore, MSc; et al.

doi : 10.1001/jamainternmed.2020.8588

JAMA Intern Med. 2021;181(4):499-508

Importance  Cancer drugs approved by the US Food and Drug Administration have come under scrutiny for marginal clinical benefits; however, the clinical benefits of cancer drugs recommended for reimbursement in Canada have not been adequately studied.

خرید پکیج و مشاهده آنلاین مقاله


Risk of Progression to Diabetes Among Older Adults With Prediabetes

Mary R. Rooney, PhD, MPH; Andreea M. Rawlings, PhD; James S. Pankow, PhD, MPH; et al.

doi : 10.1001/jamainternmed.2020.8774

JAMA Intern Med. 2021;181(4):511-519

Importance  The term prediabetes is used to identify individuals at increased risk for diabetes. However, the natural history of prediabetes in older age is not well characterized.

خرید پکیج و مشاهده آنلاین مقاله


Contents of US Food and Drug Administration Refuse-to-File Letters for New Drug Applications and Efficacy Supplements and Their Public Disclosure by Applicants

Harinder Singh Chahal, PharmD, MSc; Sanjana Mukherjee, PhD, MSc; Daniel W. Sigelman, JD; et al.

doi : 10.1001/jamainternmed.2020.8866

JAMA Intern Med. 2021;181(4):522-529

Importance  Before reviewing drug applications, the US Food and Drug Administration (FDA) conducts “filing reviews” to assess whether they are complete enough for full review. If the applications are incomplete, the FDA issues refuse-to-file (RTF) letters identifying deficiencies. The FDA does not make these RTF letters public at the time of issuance. Why the FDA issues RTF letters and how often the letters and their contents are made publicly available are unknown.

خرید پکیج و مشاهده آنلاین مقاله


Effect of Telephone Cognitive Behavioral Therapy for Insomnia in Older Adults With Osteoarthritis PainA Randomized Clinical Trial

Susan M. McCurry, PhD; Weiwei Zhu, MS; Michael Von Korff, ScD; et al.

doi : 10.1001/jamainternmed.2020.9049

JAMA Intern Med. 2021;181(4):530-538

Importance  Scalable delivery models of cognitive behavioral therapy for insomnia (CBT-I), an effective treatment, are needed for widespread implementation, particularly in rural and underserved populations lacking ready access to insomnia treatment.

خرید پکیج و مشاهده آنلاین مقاله


Antibiotic Treatment for Inpatient Asthma ExacerbationsWhat Have We Learned?

Thomas B. Newman, MD, MPH

doi : 10.1001/jamainternmed.2020.7229

JAMA Intern Med. 2021;181(4):427-428

An extensively revised, retracted, and replaced article by Stefan et al1 in this issue of JAMA Internal Medicine assesses outcomes associated with antibiotic treatment in adults hospitalized for asthma exacerbations. About half of such patients are treated with antibiotics (primarily macrolides and quinolones) without a clear clinical indication. Stefan et al1 found that while treatment with antibiotics on day 1 of hospitalization was associated with slightly increased length of stay and costs, it was associated with a statistically significant 1.1% (95% CI, 0.2% to 1.9%) absolute reduction in the risk of treatment failure (7.1% vs 8.2%), defined as initiation of mechanical ventilation, transfer to the intensive care unit after hospital day 1, in-hospital mortality, or readmission for asthma exacerbation within 30 days of discharge. They conclude that their results “highlight the need to perform randomized clinical trials to determine the role of antibiotic prescribing among patients hospitalized for asthma exacerbation.”1

خرید پکیج و مشاهده آنلاین مقاله


Beyond Age—Improvement of Prognostication Through Physical and Cognitive Functioning for Nursing Home Residents With COVID-19

M?rlon Juliano Romero Aliberti, MD, PhD; Thiago Junqueira Avelino-Silva, MD, PhD

doi : 10.1001/jamainternmed.2020.8190

JAMA Intern Med. 2021;181(4):448-449

the rapid spread of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has imposed multilevel challenges on societies everywhere, from abrupt changes in our day-to-day lives to overwhelming new pressures on health systems worldwide.1 Although there are many devastating effects of coronavirus disease 2019 (COVID-19), few compare with the pandemic’s terrible burden on nursing home residents, their families, and their health care clinicians.2

خرید پکیج و مشاهده آنلاین مقاله


Antibodies, Immunity, and COVID-19

Brad Spellberg, MD; Travis B. Nielsen, PhD; Arturo Casadevall, MD, PhD

doi : 10.1001/jamainternmed.2020.7986

JAMA Intern Med. 2021;181(4):460-462

widespread availability of commercial assays that detect anti–severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies has enabled researchers to examine naturally acquired immunity to coronavirus disease 2019 (COVID-19) at the population level. Several studies have found that the SARS-CoV-2 seroprevalence (the percentage of the population with serum containing antibodies that recognize the virus) has remained below 20% even in the most adversely affected areas globally, such as Spain and Italy.1-3 In this issue of JAMA Internal Medicine, Bajema et al4 contribute new information on the shifting nature of SARS-CoV-2 seroprevalence in the US. The study uses national data to expand on an earlier US Centers for Disease Control and Prevention study of seroprevalence of antibodies to SARS-CoV-2 in 10 US sites.3

خرید پکیج و مشاهده آنلاین مقاله


Decreased COVID-19 Mortality—A Cause for Optimism

Leon Boudourakis, MD, MHS; Amit Uppal, MD

doi : 10.1001/jamainternmed.2020.8438

JAMA Intern Med. 2021;181(4):478-479

after a hard year, good news related to coronavirus disease 2019 (COVID-19) is welcome. In this issue of JAMA Internal Medicine, Asch and colleagues1 provide a reason for optimism that our health care system has improved in our ability to care for persons with COVID-19. The authors performed a national analysis of COVID-19–associated mortality that spanned 955 US hospitals, representing nearly 40?000 patients. Using administrative claims data from a large national health insurer, they found that a hospital’s risk-standardized event rate (a composite of hospital mortality or referral to hospice) because of COVID-19 had significantly decreased. Specifically, the risk-adjusted mortality decreased from 16.56% to 9.29% in the early period of this study (January through April 2020) compared with the later period (May through June 2020).

خرید پکیج و مشاهده آنلاین مقاله


Approval and Coverage of Cancer Drugs in England, Canada, and the US

Vinay Prasad, MD, MPH; Myung S. Kim, MD

doi : 10.1001/jamainternmed.2020.8587

JAMA Intern Med. 2021;181(4):509-510

For approval of cancer drugs, the US Food and Drug Administration (FDA) is tolerant of uncertainty and prioritizes speed over other factors.1 Most drug approvals are based on surrogate markers, such as tumor shrinkage in a fraction of patients (response rate) or delayed tumor growth (progression-free survival). These surrogates use arbitrary percentage cutoffs and are not optimized to ensure that a drug can improve the length or quality of life.2

خرید پکیج و مشاهده آنلاین مقاله


Prediabetes—A Risk Factor Twice Removed

Kenneth Lam, MD; Sei J. Lee, MD, MAS

doi : 10.1001/jamainternmed.2020.8773

JAMA Intern Med. 2021;181(4):520-521

The concept of prediabetes (and similar concepts of impaired fasting glucose and impaired glucose tolerance) formally emerged in the 1990s to better characterize the incremental pathophysiology leading to the eventual development of diabetes.1 It is defined by ranges of disordered glucose values between normal and diabetes (eg, hemoglobin A1c levels, 5.7%-6.4% [to convert to the proportion of total hemoglobin, multiply by 0.01]). We treat it as a risk factor for diabetes; in midlife, those with a hemoglobin A1c level of 6.0% to 6.5% have 20 times the risk of developing diabetes compared with those with a hemoglobin A1c level of 5.0%.2

خرید پکیج و مشاهده آنلاین مقاله


Filtration Efficiency of Face Masks Used by the Public During the COVID-19 Pandemic

Robert Steinbrook, MD

doi : 10.1001/jamainternmed.2020.8234

JAMA Intern Med. 2021;181(4):470

in November 2020, the US was averaging more than 1 million new coronavirus disease 2019 (COVID-19) cases per week, an astounding number. To make progress against the pandemic, routine and universal use of face masks throughout society is essential.

خرید پکیج و مشاهده آنلاین مقاله


Another Reason for Greater Transparency at the US Food and Drug Administration

Robert Steinbrook, MD

doi : 10.1001/jamainternmed.2020.8841

JAMA Intern Med. 2021;181(4):529

In 2010, a transparency task force at the US Food and Drug Administration (FDA) recommended that the agency disclose more information about marketing applications for medical products.1 An important goal was to increase the completeness and accuracy of the public information about drugs and other products, including the reasons that some applications are not approved.

خرید پکیج و مشاهده آنلاین مقاله


Screening for Lipoprotein(a) Levels in Persons at Low Risk for Cardiovascular DiseaseA Teachable Moment

Ludovico Furlan, MD; Patrick Azcarate, MD; Rita F. Redberg, MD, MSc

doi : 10.1001/jamainternmed.2020.8367

JAMA Intern Med. 2021;181(4):539

A 64-year-old woman with a history of breast cancer and paroxysmal atrial fibrillation was referred by her primary care physician to our cardiology clinic for cardiac risk assessment. She had no cardiovascular risk factors or family history of cardiovascular disease (CVD) and reported having a healthy diet and regular exercise.

خرید پکیج و مشاهده آنلاین مقاله


The Toxic Effects of an Incomplete Medication HistoryA Teachable Moment

Mei-Ni Belzile, MD, MSc; Kiran Battu, RPh, PharmD, BScPhm; Peter E. Wu, MD, MSc

doi : 10.1001/jamainternmed.2020.8863

JAMA Intern Med. 2021;181(4):540-541

A woman in her 40s presented to the emergency department with a 3-week history of severe abdominal pain, nausea, vomiting, and rebound tenderness on examination. This was her third hospital presentation, as the pain persisted with no diagnosis despite multiple investigations, including normal results of abdominal imaging (ultrasonography and 2 computed tomography scans), a general surgery consultation, and an internal medicine consultation. Her medical history included anxiety, depression, and rheumatoid arthritis, for which she was prescribed etanercept, 50 mg subcutaneously, every Sunday; methotrexate, 20 mg subcutaneously, every Sunday; and folic acid supplementation Monday to Saturday.

خرید پکیج و مشاهده آنلاین مقاله


Evaluation of Progress Toward Gender Equity Among Departmental Chairs in Academic Medicine

Bismarck C. Odei, MD; Phylicia Gawu, MD, MS; Sonu Bae, BS; et al.

doi : 10.1001/jamainternmed.2020.6267

JAMA Intern Med. 2021;181(4):548-550

Although the gender gap in medical school matriculation has closed,1 the representation of women in leadership roles in academic medicine has been reported to be low, particularly among departmental chairs.2 This study evaluates the extent of progress in female representation among program directors (PDs), chairs, and deans to provide a valuable benchmark by which to evaluate future progress.

خرید پکیج و مشاهده آنلاین مقاله


Prevalence of Personal Attacks and Sexual Harassment of Physicians on Social Media

Tricia R. Pendergrast, BA; Shikha Jain, MD; N. Seth Trueger, MD, MPH; et al.

doi : 10.1001/jamainternmed.2020.7235

JAMA Intern Med. 2021;181(4):550-552

Women are more likely than men to report being harassed online and are more than twice as likely to experience online sexual harassment.1,2 Despite broad adoption of social media by medical professionals, there is limited information about physicians’ experiences with harassment on social media. We report on a case series of physicians invited to describe their experiences of harassment on social media.

خرید پکیج و مشاهده آنلاین مقاله


Association of Diet and Lifestyle With the Risk of Gastroesophageal Reflux Disease Symptoms in US Women

Raaj S. Mehta, MD; Long H. Nguyen, MD, MS; Wenjie Ma, MBBS, ScD; et al.

doi : 10.1001/jamainternmed.2020.7238

JAMA Intern Med. 2021;181(4):552-554

Gastroesophageal reflux disease (GERD) affects nearly 30% of the US population.1 Clinicians recommend dietary and lifestyle modifications to prevent GERD symptoms, but no prospective data are available to inform these recommendations. We evaluated the joint association of dietary and lifestyle factors with the risk of GERD symptoms.

خرید پکیج و مشاهده آنلاین مقاله


Health Needs and Functional Disability Among Mail-Order Pharmacy Users in the US

Adam W. Gaffney, MD, MPH; Steffie Woolhandler, MD, MPH; David Himmelstein, MD

doi : 10.1001/jamainternmed.2020.7254

JAMA Intern Med. 2021;181(4):554-556

Widening deficits for the US Postal Service have led to operational changes that have delayed deliveries.1 Many Americans, particularly elderly individuals,2 rely on mail-delivered medications, raising concerns that delays could have medical repercussions.

خرید پکیج و مشاهده آنلاین مقاله


COVID-19 Test Result Turnaround Time for Residents and Staff in US Nursing Homes

Brian E. McGarry, PT, PhD; Gillian K. SteelFisher, PhD; David C. Grabowski, PhD; et al.

doi : 10.1001/jamainternmed.2020.7330

JAMA Intern Med. 2021;181(4):556-559

Skilled nursing facility (SNF) residents comprise over 40% of coronavirus disease 2019 (COVID-19) deaths nationally.1 Surveillance testing is critical for controlling asymptomatic and presymptomatic viral transmission in these high-risk settings.2 For surveillance testing in SNFs to effectively guide infection control, results need to be obtained in less than 1 day.3 To facilitate such rapid testing,4 Medicare began distributing point-of-care severe acute respiratory syndrome coronavirus 2 antigen test instruments in July 2020, focused on SNFs in COVID-19 hot spot counties.5 Little is known about the adequacy of test result turnaround in SNFs.

خرید پکیج و مشاهده آنلاین مقاله


Speed, Evidence, and Safety Characteristics of Vaccine Approvals by the US Food and Drug Administration

Jeremy Puthumana, MD, MS; Alexander C. Egilman, BA; Audrey D. Zhang, MD; et al.

doi : 10.1001/jamainternmed.2020.7472

JAMA Intern Med. 2021;181(4):559-560

There is an urgent need to develop a safe and effective vaccine to prevent coronavirus disease 2019 (COVID-19). However, recent surveys suggest that more than half of Americans are hesitant about receiving a potential COVID-19 vaccine, owing to concerns about adverse effects or lack of effectiveness.1 There is also concern that the US Food and Drug Administration (FDA) might authorize a vaccine prematurely.2 To understand the usual approval process followed by the FDA, we systematically evaluated all novel vaccines approved by the FDA over the last decade, characterizing the premarket development and regulatory review times, the clinical evidence on which approval was based, and the size and follow-up duration of the prelicensure safety database.

خرید پکیج و مشاهده آنلاین مقاله


Engagement in Meaningful Activities Among Older Adults With Disability, Dementia, and Depression

Anna Oh, PhD, MPH, RN; Siqi Gan, MPH; W. John Boscardin, PhD; et al.

doi : 10.1001/jamainternmed.2020.7492

JAMA Intern Med. 2021;181(4):560-562

Participation and active engagement in meaningful activities is beneficial to the emotional and physical well-being of older adults.1,2 Meaningful activities are enjoyable activities that are associated with personal interests.2,3 Functional limitations, cognitive impairment, and depression may diminish the ability to participate and engage in meaningful activities and place older adults at higher risk of loss of identity and well-being.3 This study explored the association between disability, dementia, and depression and engagement in meaningful activities in a nationally representative sample of community-dwelling adults 65 years and older.

خرید پکیج و مشاهده آنلاین مقاله


Assessment of Filled Buprenorphine Prescriptions for Opioid Use Disorder During the Coronavirus Disease 2019 Pandemic

Thuy D. Nguyen, PhD; Sumedha Gupta, PhD; Engy Ziedan, PhD; et al.

doi : 10.1001/jamainternmed.2020.7497

JAMA Intern Med. 2021;181(4):562-565

The coronavirus disease 2019 (COVID-19) pandemic has profoundly disrupted health care delivery in the US.1 The Centers for Disease Control and Prevention noted a 9.1% increase in reported 12-month counts of drug overdose deaths from March 2019 to March 2020, from 67?726 to 73?860.2 On March 13, 2020, a COVID-19 national emergency was declared. To diminish potential barriers to treatment access, 3 days later, federal guidelines on telemedicine use were released, providing authorized practitioners increased flexibility to prescribe buprenorphine to patients with opioid use disorder (OUD) during this public health emergency.3 Other local, state, and federal policy initiatives have also attempted to preserve access to medication treatment for OUD, yet the cumulative outcome of these undertakings is not clear.

خرید پکیج و مشاهده آنلاین مقاله


Unusual Cause of Cardiac Arrest

Takahiro Tsushima, MD; Toral R. Patel, MD; Jayakumar Sahadevan, MD

doi : 10.1001/jamainternmed.2020.8370

JAMA Intern Med. 2021;181(4):542-543

A patient in their 40s with a history of remote coronary artery bypass grafting, heart failure with reduced ejection fraction, and poorly controlled insulin-dependent diabetes was admitted to the cardiac intensive care unit with acute decompensated heart failure. The patient’s baseline electrocardiogram (ECG) demonstrated normal sinus rhythm, with normal PR and QRS intervals at 132 and 82 milliseconds, respectively. With poor response to intravenous (IV) diuretics, the patient underwent right heart cardiac catheterization, which demonstrated a low cardiac index, high left ventricular filling pressure, and elevated systemic vascular resistance. The patient’s outpatient use of metoprolol was discontinued, and IV dobutamine (5.0 µg/kg/min) was initiated with continuing aggressive IV diuresis. While defecating on the bedside commode, the patient became lightheaded and unresponsive. The patient’s pulse was barely palpable, and the ECG rhythm showed bradycardia (Figure).

خرید پکیج و مشاهده آنلاین مقاله


Atrioventricular Dissociation in a Heart Transplant Recipient

Joel Morillo, MD; Eusebio Garc?a-Izquierdo Jaén, MD; Ignacio Fern?ndez Lozano, PhD

doi : 10.1001/jamainternmed.2020.8889

JAMA Intern Med. 2021;181(4):544-545

A patient in their mid-50s with a recent heart transplant (HTx) presented to the emergency department after syncope at rest. The patient had a history of former smoking and dilated ischemic cardiomyopathy. During admission, the patient experienced another transient loss of consciousness, coinciding with asystole that persisted for up to 8 seconds. P waves could not be clearly identified because of artifacts on the baseline electrocardiogram (ECG).

خرید پکیج و مشاهده آنلاین مقاله


An Unusual Case of Chest Pain With Wide Complex Arrhythmia—No Stents Needed

Usman A. Hasnie, MD; Haren Patel, MD; Harish Doppalapudi, MD

doi : 10.1001/jamainternmed.2020.8999

JAMA Intern Med. 2021;181(4):546-547

A current smoker in their 50s with uncontrolled hypertension presented with acute substernal chest pain and shortness of breath. On presentation, their blood pressure was 206/97 mm Hg, heart rate was 106 beats per minute, and they had an elevated high-sensitivity troponin level of 125 ng/L (upper level of normal, 15 ng/L). The presenting electrocardiogram (ECG) is shown (Figure). The chest pain continued despite treatment with intravenous nitroglycerine. Results of an echocardiogram revealed hypokinesis of the distal septum with a mildly reduced left ventricular ejection fraction of 40% to 50%.

خرید پکیج و مشاهده آنلاین مقاله


What to Do With Sideline Guilt

Calvin S. Bruce, MD

doi : 10.1001/jamainternmed.2020.6523

JAMA Intern Med. 2021;181(4):565

To the Editor The Physician Perspective by Reuben1 on sideline guilt should strike a deep chord for many of us. I am a family physician, 72 years old, 6 years retired after an episode of ill health from which I have recovered. So I have my health, food in the refrigerator, enough money in the bank, and a spouse who still puts up with me. The only hardship we face is that coronavirus disease 2019 (COVID-19) has kept us from seeing our far-flung children and grandchildren and forced us to socialize distantly with our friends. Many of my pre-pandemic activities—working as a nursing home ombudsman, teaching medical students, serving on hospital committees—have been curtailed completely or relegated to virtual visits. That I, as a noncritical care specialist, could meaningfully replace a frontline worker is a dubious proposition at best. As Reuben1 points out, staying away from hospitals may be the most constructive thing some of us can do. But beyond the world of medicine, there is so much more to feel guilty about. The COVID-19 pandemic and current events have brought into sharp focus the long-standing racial and class inequities from which I and so many who might read this have undoubtedly benefited in one way or another. I would add 2 suggestions to those Reuben1 has proposed. First, allow yourself to experience gratitude if you float in the same guilty boat as I do: gratitude that you have the boat. Second, get angry about the state of the world and get motivated. The Viewpoint by Berwick2 on the moral determinants of health is a good place to start. There is much that those of us who are blessed not to be suffering in these difficult times can do to help make sure the new normal will better than the old.

خرید پکیج و مشاهده آنلاین مقاله


What to Do With Sideline Guilt

Henry S. Kahn, MD

doi : 10.1001/jamainternmed.2020.6529

JAMA Intern Med. 2021;181(4):565

To the Editor As the coronavirus disease 2019 (COVID-19) pandemic charges ahead, I too have felt the sideline guilt that David Reuben1 described in his recent Physician Perspective. I retired from active patient care several years ago. Truth be told, it has been decades since I had acute-care skills that might be useful in today’s intensive care units. Nevertheless, as a retiree, I am tormented by the undeniable horrors of the pandemic.

خرید پکیج و مشاهده آنلاین مقاله


What to Do With Sideline Guilt—Reply

David B. Reuben, MD

doi : 10.1001/jamainternmed.2020.6526

JAMA Intern Med. 2021;181(4):565-566

In Reply I would like to thank Kahn and Bruce as well as other retired physicians who contacted me directly for their reflections on sideline guilt.1 While acknowledging the guilt emotion described in the article, they seem less disturbed about not being on the front lines of the battle. Perhaps that is because this is no longer a possibility, as they stepped down from direct patient care roles before the pandemic. Yet these physicians remain engaged and remarkably energetic, channeling this energy into advocacy for health care financing reform (Kahn) and for a broader set of societal issues (Bruce). I am also struck by the expressions of how thankful they are for personally being spared infection by the virus. For them, gratitude rather than guilt is a more prominent emotion.

خرید پکیج و مشاهده آنلاین مقاله


Negative Conversion Rate of SARS-CoV-2 Infection

Ruiyuan Zhang, MM; Huiying Liang, PhD; Jinling Tang, PhD

doi : 10.1001/jamainternmed.2020.7201

JAMA Intern Med. 2021;181(4):566

To the Editor By September 11, 2020, there were more than 28 million people infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) worldwide (https://coronavirus.jhu.edu/). In a recent issue of JAMA Internal Medicine, an Original Investigation by Lee et al1 found that the negative conversion rate in asymptomatic cases was higher than that in symptomatic cases, although to a statistically insignificant degree (Figure 11). However, the negative conversion rate and its comparison between symptomatic and asymptomatic cases may be biased for the following reasons.

خرید پکیج و مشاهده آنلاین مقاله


Negative Conversion Rate of SARS-CoV-2 Infection—Reply

Seungjae Lee, MD; Tark Kim, MD, PhD; Eunjung Lee, MD, PhD

doi : 10.1001/jamainternmed.2020.7204

JAMA Intern Med. 2021;181(4):566-567

In Reply We wish to thank Zhang et al for their comments on our Original Investigation.1 They considered the overestimation of the negative conversion rate owing to the use of a single negative result to define negative conversion. During the study, the Korean Center for Disease Control and Prevention also recommended that quarantined individuals should be released after 2 consecutive negative polymerase chain reaction results from the upper respiratory tract in a 24-hour interval,2 similar to the guidelines from the China National Health Commission.3 We defined the first negative conversion as the first negative result for both upper and lower respiratory tract specimens. In Kaplan-Meier curves of 2 consecutive negative conversion proportions of specimens from the upper and lower respiratory tract, we confirmed that negative conversion rates are not statistically different between symptomatic and asymptomatic patients in either upper respiratory or lower respiratory specimens.1

خرید پکیج و مشاهده آنلاین مقاله


Substitution of Generic Drugs and Biosimilars

Sang Kyu Cho, PharmD, MPH, PhD; Hankyung Jun, MA, MPA

doi : 10.1001/jamainternmed.2020.8561

JAMA Intern Med. 2021;181(4):567-568

To the Editor In a recent issue of JAMA Internal Medicine, Sacks and colleagues1 examined the variation in state regulations regarding how pharmacists can substitute prescriptions for brand-name drugs with generic drugs and biosimilars. The authors found substantial variation in state regulations, suggesting a need to optimize state drug product selection laws to promote bioequivalent generic drug and biosimilar substitution.

خرید پکیج و مشاهده آنلاین مقاله


Substitution of Generic Drugs and Biosimilars—Reply

Ameet Sarpatwari, PhD, JD; Aaron S. Kesselheim, MD, JD, MPH; Chana A. Sacks, MD, MPH

doi : 10.1001/jamainternmed.2020.8564

JAMA Intern Med. 2021;181(4):568

In Reply In their response to our Original Investigation,1 Cho and Jun raise interesting points about the reach and limitations of state drug product selection laws. While many biologic medications bypass pharmacist dispensing and are administered by physicians in an outpatient setting, many that account for substantial spending do not. The 2 examples that Cho and Jun mention, adalimumab and etanercept, accounted for approximately $3.2 billion and $1.9 billion in reported Medicare Part D spending, respectively, in 2018.2 Several other top-selling biologics, such as the interleukin (IL)-12/IL-23 antagonist ustekinumab, the IL-17 inhibitor secukinumab, and insulin products—which were reclassified as biologics in March 20203 and alone account for many billions of dollars in annual expenditures in the US—are also primarily pharmacy dispensed. Therefore, meaningful health system savings can result from optimizing state drug product selection laws to facilitate interchangeable biosimilar use.

خرید پکیج و مشاهده آنلاین مقاله


Possible Immortal Time Bias in Study of Antibiotic Treatment and Outcomes in Patients Hospitalized for Asthma

Thomas B. Newman, MD, MPH

doi : 10.1001/jamainternmed.2020.7602

JAMA Intern Med. 2021;181(4):568-569

To the Editor In their Original Investigation published in the March 2019 issue of JAMA Internal Medicine, Stefan et al1 reported a 1-day higher median length of stay among patients admitted for acute asthma who were treated with antibiotics for at least 2 days starting in the first 2 days of their hospitalization, compared with propensity score–matched controls not so treated. The authors should clarify how the timing of antibiotic exposure and length of stay were determined because it seems like the study might be susceptible to immortal time bias,2 in which there is a period in the exposed group during which they are not at risk of the outcome (which in this case is discharge from the hospital).

خرید پکیج و مشاهده آنلاین مقاله


Notice of Retraction and Replacement. Stefan et al. Association of antibiotic treatment with outcomes in patients hospitalized for an asthma exacerbation treated with systemic corticosteroids. JAMA Intern Med. 2019;179(3):333-340

Mihaela S. Stefan, MD, PhD; Penelope S. Pekow, PhD; Peter K. Lindenauer, MD, MSc

doi : 10.1001/jamainternmed.2020.7599

JAMA Intern Med. 2021;181(4):569-570

In Reply On behalf of our coauthors, we thank Dr Newman1 for raising concern that our study reported in the article, “Association of Antibiotic Treatment With Outcomes in Patients Hospitalized for an Asthma Exacerbation Treated With Systemic Corticosteroids,” published in the March 2019 issue of JAMA Internal Medicine,2 was susceptible to immortal time bias because of how we had determined the timing of antibiotic exposure and length of stay in our original analysis.

خرید پکیج و مشاهده آنلاین مقاله


Error in Quiz Answer Option

empty

doi : 10.1001/jamainternmed.2020.8212

JAMA Intern Med. 2021;181(4):570

in the CME Online Quiz Questions1 for the Original Investigation titled “Association of Antibiotic Treatment With Outcomes in Patients Hospitalized for an Asthma Exacerbation Treated With Systemic Corticosteroids,”2 published online in the March 2019 issue of JAMA Internal Medicine, a quiz answer option has been updated. In Question 4, option C has been changed to “Lower risk of treatment failure.” The quiz has been updated online.

خرید پکیج و مشاهده آنلاین مقاله


Incorrect Answer in CME Online Quiz Questions

empty

doi : 10.1001/jamainternmed.2020.8943

JAMA Intern Med. 2021;181(4):570

in the CME Online Quiz Questions1 for the Original Investigation titled “Effects of Time-Restricted Eating on Weight Loss and Other Metabolic Parameters in Women and Men With Overweight and Obesity: The TREAT Randomized Clinical Trial”2 published in the November 2020 issue, there was an omission in an answer choice for question 1. The correct text is “C. Noncaloric beverages (only water and black coffee or tea) were permitted outside of the eating widow for the TRE group.” This quiz was corrected online.

خرید پکیج و مشاهده آنلاین مقاله


Errors in Degree Symbols and Descriptors

empty

doi : 10.1001/jamainternmed.2020.8975

JAMA Intern Med. 2021;181(4):570

in the Original Investigation entitled “Evaluation of Cloth Masks and Modified Procedure Masks as Personal Protective Equipment for the Public During the COVID-19 Pandemic,”1 some of the masks used were incorrectly described as “woven,” and a temperature was recorded as “85.1 °C” that should have been “85.1 °F.” This article was corrected online.

خرید پکیج و مشاهده آنلاین مقاله


Error in Author Surname

empty

doi : 10.1001/jamainternmed.2020.8976

JAMA Intern Med. 2021;181(4):570

in the Editor’s Note entitled “Filtration Efficiency of Face Masks Used by the Public During the COVID-19 Pandemic,”1 Dr Steinbrook’s surname was incorrectly written as “Steinbeck.” This article was corrected online.

خرید پکیج و مشاهده آنلاین مقاله


Replacement of Nonauthor Collaborator Names

empty

doi : 10.1001/jamainternmed.2021.0139

JAMA Intern Med. 2021;181(4):570

in the Original Investigation titled “Association Between Early Treatment With Tocilizumab and Mortality Among Critically Ill Patients With COVID-19”1 that printed on January 4, 2021, the nonauthor collaborator names were omitted from the PubMed listing. The article has been corrected by adding Supplement 3 containing all names.

خرید پکیج و مشاهده آنلاین مقاله


Errors in Data Presentation in Text, Table, and Supplement

empty

doi : 10.1001/jamainternmed.2021.1321

JAMA Intern Med. 2021;181(4):570

in the article by Rooney et al titled “Risk of Progression to Diabetes Among Older Adults With Prediabetes,” published online February 8, 2021, and also in the April 2021 print issue of JAMA Internal Medicine,1 because of a calculation error, the incidence rates in Results, Table 2, and eTable 3 in the Supplement were incorrectly reported and have been replaced with corrected values. In addition, text was omitted from the first sentence in the findings portion of the Key Points. The corrected sentence now reads, “In this cohort study of 3412 older adults, the prevalence of prediabetes (mean [SD] age, 75.6 [5.2] years) was high and differed substantially depending on the definition used, with estimates ranging from 29% for glycated hemoglobin levels of 5.7% to 6.4% and fasting glucose levels of 100 to 125 mg/dL to 73% for either glycated hemoglobin levels of 5.7% to 6.4% or fasting glucose levels of 100 to 125 mg/dL.” The overall interpretation and implications of the study still stand.

خرید پکیج و مشاهده آنلاین مقاله


JAMA Internal Medicine

empty

doi : 10.1001/jamainternmed.2020.5261

JAMA Intern Med. 2021;181(4):420

خرید پکیج و مشاهده آنلاین مقاله


آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟