JAMA Clinical Reviews

Adam Lauring, MD, PhD, from the University of Michigan Division of Infectious Diseases, an expert on the evolutionary biology of RNA viruses, explains the new genetic variants recently found in SARS-CoV-2 and their importance. Related Article(s): Genetic Variants of SARS-CoV-2—What Do They Mean?

Elderly persons and residents of nursing homes have been the hardest hit in the COVID-19 pandemic. Harvard geriatrician Sharon Inouye, MD, discusses the effect COVID-19 has had on nursing homes and what should be done about it. Related Article: Association of Nursing Home Ratings on Health Inspections, Quality of Care, and Nurse Staffing With COVID-19 Cases

Homeless patients with chronic medical conditions who need long-term care often repeatedly present to emergency departments to receive treatment. Following a performance improvement analysis, clinicians at UCSF developed an emergency department–based team who work with the community to provide care for this challenging population. Hemal Kanzaria, MD, and Jack Chase, MD, discuss how UCSF has addres...

JAMA Fishbein Fellow Kristin Walter, MD, interviews Craig Garfield, MD and Richard Weissbourd, EdD, about parental relationships during the COVID-19 pandemic. Related Article(s): Considerations for Young Children and Those With Special Needs as COVID-19 Continues

Lockdowns resulting from COVID-19 have had a devastating effect on everyone's personal lives and the economy. What factors in people's daily lives are most associated with SARS-CoV-2 transmission between people? Manish Patel, MD, team lead of the CDC's Influenza Prevention & Control Team, discusses a study they conducted examining what sorts of activities might be associated with COVID-19 disease...

It is well known that alcohol use severely affects driving ability, but does cannabis? There are many fewer traffic crashes related to cannabis than alcohol intoxication. Johannes Ramaekers, PhD, of the University of Maastricht in the Netherlands, discusses his study examining the relationship between vaping THC and driving safety. Related Articles: Effect of Cannabidiol and Δ-Tetrahydrocannabinol...

Closing businesses during the COVID-19 pandemic has had devastating consequences for individuals and the economy in general. Proper air handling combined with the use of masks and physical distancing can greatly improve the safety of indoor spaces. Joseph Allen, DSc, MPH, assistant professor of exposure assessment science at Harvard T.H. Chan School of Public Health, and Andrew Ibrahim, MD, assist...

Roger J. Lewis, MD, PhD, discusses Randomization in Clinical Trials from the JAMA Guide to Statistics and Methods Related Article(s): Randomization in Clinical Trials

Judith Lieu, MD, from the Department of Otolaryngology–Head & Neck Surgery at Washington University in St Louis, discusses the need for screening young children for hearing loss and the importance of treating hearing loss as early in life as is possible. Related Article: Hearing Loss in Children

Certificates of Need are regulations required by some states before any construction or expansion of services at medical facilities are undertaken. Originally developed to prevent excessive construction of expensive health care facilities, these rules have distorted health care markets and probably should be repealed. Karl Bilimoria, MD, from Northwestern University, Tarik K Yuce, MD, and JAMA Ass...

Mark Litwin, MD, chair of Urology at the UCLA School of Medicine, discusses the evaluation of hematuria and also the presentation, diagnosis, and treatment of bladder cancer. Related Article(s): Bladder Cancer

Are e-cigarettes helpful or harmful as a tool to help people stop smoking? Mark J. Eisenberg, MD, MPH, from the Jewish General Hospital and McGill University in Montreal, Canada, discuss a recent clinical trial he reported in the November 10, 2020, issue of JAMA examining the efficacy of e-cigarettes as a smoking cessation aid. Related Article: Effect of e-Cigarettes Plus Counseling vs Counseling...

There are hundreds of thousands of liver transplant patients, all of whom will be seen in general clinical practices. It is common for them to develop elevated liver enzymes--a potentially serious problem that may be a sign that the transplanted liver is failing. Traditionally, patients with these findings are sent to a liver transplant center for an inpatient workup. A new protocol facilitating m...

A new multisociety guideline was recently released suggesting that for many patients, the interval between colonoscopies following polyp resection is less than previously recommended. Cecelia Zhang, MD, Duke University, and Maylyn Martinez, MD, University of Chicago, discuss the new guideline. Related Article: Recommendations for Follow-up Colonoscopy After Polypectomy

Tim Uyeki, MD, chief medical officer for the Influenza Division, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention (CDC), discusses how the COVID-19 pandemic may affect the 2020-2021 influenza season. Related Article(s): Preparing for the 2020-2021 Influenza Season

The Platelet Inhibition and Patient Outcomes (PLATO) trial showed that ticagrelor had better outcomes than clopidogrel for avoiding thrombotic complications following acute coronary syndrome. Subsequent trials suggested that the outcomes for the drugs were about the same. The effects of ticagrelor and clopidogrel were examined in a very large observational study performed by Harlan Krumholz, MD, a...

Many people are hoping that enough people develop resistance to COVID-19, either from being exposed to the disease or from vaccination, to develop herd immunity that will enable society to return to normal. But will that happen? Saad Omer, MD, from the Yale Institute for Global Health, discusses his JAMA article on herd immunity and how much we can count on having it to return society to normal fr...

David Juurlink, MD, PhD, a clinical pharmacologist and professor of internal medicine at Sunnybrook Health Sciences Centre and professor of medicine at the University of Toronto, discusses 10 things new doctors should know about drugs and thir complications as they start practicing medications in the the fourth and final episode of this series.

One of the most important things clinicians can do is help patients and their families deal with impending death. Despite its importance, this part of medical care is hardly covered in medical training. Clinicians have to learn this on their own. One of the most powerful ways to find out what it's like is to go through it yourself. Martin F. Shapiro, MD, professor of medicine at the Weill Cornell...

Sweden's response to the COVID-19 pandemic differed from its neighbors in Europe. Lockdowns were minimized with the belief that they would be more damaging than the virus itself. Much criticism was levied at the country regarding these policies. Anders Tegnell, MD, is the head of the Department of Public Health Analysis and Data Management, Deputy Director General at the Public Health Agency of Sw...

In the 13 years since the American Thoracic Society and Infectious Diseases Society of America have issued guidelines for the treatment of community-acquired pneumonia much has changed, resulting in a new guideline with 16 major recommendations. These are reviewed by Maylyn Martinez, MD, from the Department of Medicine at the University of Chicago and JAMA Network Open Associate Editor Angel Desai...

Intimate partner violence--also known as domestic abuse--may affect as many as 1 in 3 women. It's often underreported but that shouldn't be the case. Harriet L. MacMillan, MD, from the Departments of Psychiatry & Behavioral Neurosciences and Pediatrics at McMaster University, discusses how to identify and intervene in intimate partner violence. Related Article(s): Intimate Partner Violence

When trying to administer its qualifying examination during the COVID-19 shutdowns, the American Board of Surgery failed. Jo Buyske, MD, president and chief executive officer of the American Board of Surgery, discusses what went wrong and what they are doing to fix it. Related Article: Association Between Resident Physician Training Experience and Program-Level Performance on Board Examinations

A new clinical trial suggests that obstructive sleep apnea (in patients unable to tolerate treatment with CPAP or other devices) can be treated with airway surgery. The author of the study published in JAMA, Stuart MacKay, MBBS, from the University of Wollongong, Australia, discusses the study and treatments for obstructive sleep apnea. Related Article: Effect of Multilevel Upper Airway Surgery vs...

Cluster randomized trials are performed when an intervention must be delivered to a group of patients like when testing new nursing protocols on award or different means for cleaning beds on a ward. One type of cluster trials is called a stepped-wedge where every cluster in the study ultimately undergoes the intervention. How this works it is explained by Susan Ellenberg, PhD, from the Department...