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JAMA Clinical Reviews: Interviews about ideas & innovations in medicine, science & clinical practice. Listen & earn CME credit

Author interviews that explore the latest clinical reviews.
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JAMA Clinical Reviews: Interviews about ideas & innovations in medicine, science & clinical practice. Listen & earn CME credit
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In-depth interviews about current ideas and innovation in medicine, science, and clinical practice.

Mar 6, 2018

Peanut allergy is common. But it is more common in countries that delay the introduction of peanuts into the diets of infants. Guidelines in the United States previously recommended delayed introduction of peanuts for infants, which resulted in an increased prevalence of peanut allergy. New recommendations now recommend early introduction of peanuts into infants’ diets to minimize the risk of developing peanut allergy.

Read the article: Peanut Allergy Prevention

Feb 20, 2018

Acute respiratory disease syndrome is characterized by respiratory failure that occurs after someone is acutely ill, usually from a disease that does not primarily involve the lungs. Its cause, diagnosis, and treatment are reviewed in this JAMA Clinical Reviews Podcast for the February 20, 2018 issue

Feb 14, 2018

Douglas H. Smith, MD, of the University of Pennsylvania's Department of Neurosurgery and Center for Brain Injury and Repair, and Randel Swanson II, DO, PhD, of the University of Pennsylvania's Physical Medicine and Rehabilitation department, summarize findings from a clinical evaluation of US government personnel reporting neurologic symptoms after exposure to directional auditory and sensory phenomena during their official postings in Havana, Cuba.

 

Feb 1, 2018

The health risks associated with participation in American football have garnered increasing attention over the past several years. Particular focus has been on concussion and the association of repeated head trauma with chronic traumatic encephalopathy (CTE). However, other factors related to participation in professional football might be associated with better or worse health throughout life. Dr Ann McKee discusses the occurrence of CTE in a case series of deceased football players who donated their brains for research. Former National Football League (NFL) player Mike Adamle shares his story including his symptoms and suspected diagnosis of CTE. Dr Atheendar Venkataramani discusses a recent study about the association between playing in the NFL and all-cause mortality.

Read the articles:

Association Between American Football in the NFL and Long-term Mortality in Retirement

Evaluation of Chronic Traumatic Encephalopathy in American Football Players

JAMA Patient Page: Sport-Related Concussion

 

Jan 16, 2018

Why is two-thirds of the US population overweight or obese? Obesity began to increase in 1980, and its incidence is still rising. One reason for this might be that the population has become tolerant of obesity and accepted it as the normal state. On the other end of the spectrum, some people desire to lose weight but, in general, diets and medications are not very effective. The most effective way to lose weight is with bariatric surgery. A relatively new procedure, the gastric sleeve resection, has been introduced. However, most new bariatric operations fail; think of the jejunoileal bypass, vertical banded gastroplasty, and laparoscopic adjustable gastric banding procedures. Has the gastric sleeve resection been successful? A series of articles providing definitive outcomes for these procedures have been published in JAMA and their results are summarized in this podcast.

Interviewees:

David E. Arterburn, MD, MPH
Kaiser Permanente Washington Health Research Institute, Seattle, WA

Anirban Gupta, MD
Washington Permanente Medical Group, Bellevue, WA

Read the article: Comparing the Outcomes of Sleeve Gastrectomy

Jan 2, 2018

The incidence of thyroid cancer is increasing. Like so many cancers, it is being diagnosed at earlier stages because of more aggressive screening and diagnostic testing. The aggressiveness of very early stage thyroid cancer is unknown and some of these tumors may be managed by active surveillance instead of surgery. In this podcast, Dr Sally Carty, Professor of Surgery at the University of Pittsburgh, reviews how to manage thyroid cancer.

Natural History and Tumor Volume Kinetics of Papillary Thyroid Cancers

Patient-Guided Decision Making in Papillary Thyroid Cancer

Active Surveillance for Thyroid Cancer

Dec 19, 2017

Sinusitis is one of the most common conditions seen by clinicians. Despite its frequency, it is often misdiagnosed. In this podcast, we review the proper way to establish a diagnosis and treat both acute and chronic sinusitis.

Related article

Dec 12, 2017

In November 2017, new guidelines were issued for hypertension treatment. They are a comprehensive overhaul of recommendations for both the diagnosis and treatment of hypertension. Last week, we discussed the guidelines' specific recommendations with Dr Paul Whelton, professor of medicine at Tulane University, who chaired the guidelines-writing committee. We also spoke to Dr Phil Greenland from Northwestern University, who is one of the cardiology editors for JAMA. This week, in part 2 of this podcast, we discuss the controversies associated with the new hypertension guidelines.

Related articles: The 2017 Clinical Practice Guideline for High Blood Pressure Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults The New 2017 ACC/AHA Guidelines “Up the Pressure” on Diagnosis and Treatment of Hypertension

Dec 5, 2017

In November 2017, new guidelines were issued for hypertension treatment. The new guideline is a comprehensive overhaul of recommendations for both the diagnosis and treatment of hypertension. Based on years of work by dozens of individuals who generated 106 recommendations, the guideline is complicated. Dr Paul Whelton, an author of the guideline, and Dr Phil Greenland, Professor of Medicine at Northwestern University and one of our cardiology editors here at JAMA, explain the major recommendations presented in the new hypertension guidelines.

Related articles: The 2017 Clinical Practice Guideline for High Blood Pressure Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults The New 2017 ACC/AHA Guidelines “Up the Pressure” on Diagnosis and Treatment of Hypertension

Dec 5, 2017

Cystic fibrosis is a common autosomal recessive disease. It is caused by any one of many discrete genetic abnormalities that affect chloride transport. Identification of specific genetic abnormalities enables clinicians to identify drugs that counteract the effects of the abnormal genes. In this podcast we review how genetic defects that cause cystic fibrosis are identified and how drugs that are likely to successfully treat the disease are matched to those genetic abnormalities.

Related article

Nov 21, 2017

The best evidence for proving cause-and-effect comes from randomized clinical trials. However, they are expensive and difficult to perform. The natural assortment of gene variants at birth can mimic randomization in some circumstances and yield important clinical information that can help physicians better care for their patients.

Read the article: Mendelian Randomization

 

Nov 14, 2017

Bacteriophages are viruses that infect and kill bacteria. When they were first discovered in the early part of the 20th century, there was great enthusiasm for their potential use to treat all sorts of bacterial infections. They were supplanted by antibiotics and although they remained critically important in research that led to the understanding of DNA and how it works, bacteriophages never really made it in the therapeutic world. Now that multiple-drug-resistant bacteria are becoming increasingly common, there is renewed interest in using bacteriophages to treat bacterial infection.

Links:

YouTube video summarizing the career and science of Félix d'Hérelle-one of the discoverers of bacteriophages

Dr. Felix d'Herelle Canadian Medical Hall of Fame Laureate 2007

Detailed history of the development of bacteriophage research in Georgia

A Stalinist Antibiotic Alternative from New York Times Magazine, February 6, 2000

Reprint of Twort’s initial description of a substance killing bacteria discovered while trying to grow viruses. Although Twort did not identify bacteriophages in his experiment, he believed there was some toxic entity that killed bacteria present in his experiments.

An investigation on the nature of ultra-microscopic viruses1 by Twort FW, L.R.C.P. Lond., M.R.C.S.

Reprint and translation of d’Herelle’s original 1917 description of bacteriophages isolated from soldiers recovering from dysentery.

On an invisible microbe antagonistic to dysentery bacilli. Note by M. F. d’Herelle, presented by M. Roux. Comptes Rendus Academie des Sciences 1917; 165:373–5

Review of the non-English-language literature on bacteriophage therapy of infection

Bacteriophage Therapy Antimicrob Agents Chemother. 2001 Mar; 45(3): 649–659.

Review of the history bacteriophage research and its effect on scientific development and clinical medicine

The Murky Origin of Snow White and Her T-Even Dwarfs Genetics 155: 481–486 (June 2000)

News report from UC San Diego on treatment of the patient described in the podcast

Novel Phage Therapy Saves Patient with Multidrug-Resistant Bacterial Infection

2017 JAMA Medical News article on the use of bacteriophage to treat a patient with multidrug-resistant Acinetobacter infection

Phage Therapy’s Role in Combating Antibiotic-Resistant Pathogens

Oct 24, 2017

Urinary incontinence in women is common but not often discussed. Linda Brubaker, MD, and Emily S. Lukacz, MD, review the evaluation and management of incontinence in women, including how to broach the topic with patients and when to use treatments ranging from behavioral interventions and pelvic floor muscle exercises to vaginal devices, medications, and office-based procedures or surgery.

Oct 17, 2017

An increasing number of transgender patients are being seen in all care settings. Their medical needs are not too different from those for any primary care patient. New guidelines issued by the Endocrine Society in September 2017 are summarized in this podcast.

Oct 3, 2017

Powerful new genetic technologies enable clinicians to detect and sequence tiny amounts of free DNA circulating in blood. DNA gets into blood when cells fall apart. Abnormal DNA from diseased cells can be detected, enabling clinicians to detect cancer or monitor tumor growth by liquid biopsy. In this JAMA Clinical Reviews podcast, we talked with Victor E. Velculescu, MD, PhD, from the Johns Hopkins School of Medicine, and JAMA medical writer M.J. Friedrich about this new technology.

Related articles:

Cancer DNA in the Circulation: The Liquid Biopsy

Going With the Flow: The Promise and Challenge of Liquid Biopsies

Finding the Rare Pathogenic Variants in a Human Genome

 

Sep 26, 2017

Delirium goes unrecognized in approximately 60% of cases. When it is recognized, it can be difficult to treat. Recognizing and treating, as well as preventing, delirium is important because delirium is associated with poor health outcomes and significant health care costs.

Esther S. Oh, MD, PhD, Tammy T. Hshieh, MD, MPH, and Sharon K. Inouye, MD, MPH, discuss their review article about advances in diagnosis and treatment of delirium, and Dr Maria Duggan provides additional insights about diagnosis and management from her perspective as a clinician and researcher.

Related article: Delirium in Older Persons: Advances in Diagnosis and Treatment

Sep 12, 2017

Every successive major clinical trial of less invasive breast cancer surgery seems to show that less is more--less because less surgery seems to not influence outcomes and more because with less surgery, there are fewer complications, resulting in a net benefit for women with breast cancer.

Sep 5, 2017

Clinicians can now sample DNA from in vitro blastocysts to identify embryos with genetic abnormalities and avoid implanting them. This genetic screening allows couples who carry dangerous genetic diseases to avoid having children with those diseases.

Interviewees: Siobhan M. Dolan, MD, Tamar H. Goldwaser, MD, and Sangita K. Jindal, PhD

Links discussed in this episode:

Preimplantation Genetic Diagnosis for Mendelian Conditions

 

Aug 15, 2017

Some drugs and devices receive accelerated approval from the FDA in order to provide potentially important treatments for patients when effective therapies may not be available. These drugs or devices are supposed to have postmarketing studies to definitively show their efficacy or safety, but sometimes this doesn't happen.

Rita F. Redberg, MD, MSc, Aaron S. Kesselheim, MD, JD, MPH, and Robert M. Califf, MD, discuss their articles characterizing studies used for the approval of high-risk medical devices and accelerated approval of drugs by the FDA.

Discussed in this podcast:

FDA Online

Jul 25, 2017

Scott Grundy, MD, PhD, is a professor of medicine at UT Southwestern in Dallas and is one of a small group of investigators who saved statins from being dumped as a potential drug class. Dr Grundy tells the story of how studying patients with familial hypercholesterolemia unraveled the mysteries of high cholesterol levels. This resulted in the development of very effective drugs to treat any patient with high cholesterol. Familial hypercholesterolemia is fairly common and when patients have very high cholesterol levels they and their families should undergo cascade screening.

Interviewees: Scott M. Grundy, MD, PhD, and author Joshua W. Knowles, MD, PhD

Links discussed in this episode:

Cascade Screening for Familial Hypercholesterolemia and the Use of Genetic Testing

Dietary Guidelines for Americans

Interview with Karen DeSalvo, MD, MPH, MSc, author of Dietary Guidelines for Americans

Jul 18, 2017

Asthma often develops in childhood but also affects a significant number of adults. It can present in various ways and with varying degrees of severity. William J. Calhoun, MD, of the University of Texas Medical Branch, Galveston, discusses the approach to diagnosis and provides tips for management of this common condition.

Jul 11, 2017

Following placement of cardiac stents, patients receive dual antiplatelet therapy (DAPT) to prevent stent thrombosis. Prevention of thrombosis is offset by a risk of bleeding. The optimal balance between thrombosis prevention and bleeding risk is not always known. How to go about optimizing DAPT therapy is discussed by Glen Levine, MD, professor of medicine at Baylor College of Medicine in Houston, Texas, and chair of the combined American College of Cardiology/American Heart Association Guideline Committees.

Jul 3, 2017

Allergy to penicillin is one of the most commonly reported allergies by patients. In reality, true penicillin allergy is uncommon. Dr. Elizabeth Phillips from Vanderbilt University discusses her experience with testing for penicillin allergy in patients who thought they had this problem.

Jun 27, 2017

Multiple guidelines have been issued regarding how aggressively cholesterol should be managed. These guidelines do not agree with one another and the most significant area of disagreement is in recommendations for high intensity statin therapy. In this podcast we discuss this issue with a number of experts in the field to help better understand how high-intensity statin therapy might be applied to patient care.

Jun 27, 2017

Chromosomal microarray technology (CMA) facilitates the genetic diagnosis of intellectual disabilities, autism spectrum disorder, and congenital abnormalities in children. Previously, G-band karyotyping was the test performed for this purpose but it could only identify very large chromosomal abnormalities and was not very sensitive. Being a molecular rather than microscopic technique, CMA is far more sensitive for identifying genetic abnormalities and is now the test of choice.

We interview David H. Ledbetter, MD, and Christa Lese Martin, PhD, from Geisinger Health System, authors of this JAMA Insights article.

Articles discussed in this episode:

Chromosomal Microarray Testing for Children With Unexplained Neurodevelopmental Disorders

New Approaches to Molecular Diagnosis

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