Author/s: Douglas Tremblay, Marina Kremyanskaya, John Mascarenhas, Ronald Hoffman
Importance: Polycythemia vera (PV), a myeloproliferative neoplasm characterized by an increased red blood cell mass and increased risk of thrombosis, affects approximately 65 000 people in the US, with an annual incidence of 0.5 to 4.0 cases per 100 000 persons.
Observations:...
Author/s: Francis J Alenghat, Jason T Alexander, Gaurav A Upadhyay
Atrial fibrillation has a lifetime prevalence of 15% to 40% and predisposes patients to stroke and cardiac dysfunction. This JAMA Clinical Guidelines Synopsis focuses on recommendations for long-term management of AF, including new paradigms for rhythm control and stroke risk reduction.
Author/s: Jennifer E Flythe, Suzanne Watnick
Importance: More than 3.5 million people worldwide and 540 000 individuals in the US receive maintenance hemodialysis or peritoneal dialysis for the treatment of chronic kidney failure. The 5-year survival rate is approximately 40% after initiation of maintenance dialysis.
Observations:...
Author/s: Catherine M Otto, David E Newby, Graham S Hillis
Importance: Calcific aortic stenosis (AS) restricts the aortic valve opening during systole due to calcification and fibrosis of either a congenital bicuspid or a normal trileaflet aortic valve. In the US, AS affects 1% to 2% of adults older than 65 years and approximately 12% of adults older...
The American Society of Addiction Medicine (ASAM) developed this National Practice Guideline for the Treatment of Opioid Use Disorder to provide information on evidence-based treatment of opioid use disorder. This guideline is an update and replacement of the 2015 ASAM National Practice...
Author/s: Naomi M. Simon, M. Katherine Shear
This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they exist. The article ends with the authors’ clinical recommendations.
Author/s: Daphne J Korczak, Clara Westwell-Roper, Roberto Sassi
KEY POINTS
Depression is common among adolescents in Canada and has the potential to negatively affect long-term function and quality of life; despite this, in most affected adolescents depression remains undetected and untreated.
Management requires a multimodal approach, including...
Author/s: David B Seifer, Eve C Feinberg, Albert L Hsu
Women in their late 30s to early 40s who have difficulty conceiving are often unaware that success rates of fertility treatment decline with age, most commonly due to declining ovarian function. Counseling about the high prevalence of infertility and miscarriage may be met with surprise and...
Author/s: Jing Tan, Rui Zhu, Ying Li, Li Wang, Shigeng Liao, Lin Cheng
Importance: Currently, there are no treatments for nocturnal leg cramps (NLCs) that have been proven to be both safe and effective. Seeking safe and effective approaches for managing NLCs is of crucial importance.
Objective: To determine whether vitamin K2 is better than placebo in...
Author/s: Mia Derstine, Elan Small, Andrew M Davis
People traveling to high altitude are at risk of developing acute altitude illnesses, including AMS, HACE, and HAPE. Incidence and risk are assessed by history of acute altitude illness, sleeping elevation above sea level on day 1 of travel, and rate of ascent. AMS incidence can range from...