CME Objective: To review current evidence for screening, prevention, diagnosis, treatment, and practice improvement of obstructive sleep apnea.

Acknowledgment: The author thanks Jay S. Balachandran, MD, coauthor of the previous version of this In the Clinic.

Disclosures: Dr. Patel, ACP Contributing Author, reports grants from Philips Respironics and Bayer Pharmaceuticals and personal fees from the American Academy of Sleep Medicine outside the submitted work. The form can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M19-2594.

Editors' Disclosures: Christine Laine, MD, MPH, Editor in Chief, reports that her spouse has stock options/holdings with Targeted Diagnostics and Therapeutics. Darren B. Taichman, MD, PhD, Executive Editor, reports that he has no financial relationships or interests to disclose. Cynthia D. Mulrow, MD, MSc, Senior Deputy Editor, reports that she has no relationships or interests to disclose. Jaya K. Rao, MD, MHS, Deputy Editor, reports that she has stock holdings/options in Eli Lilly and Pfizer. Catharine B. Stack, PhD, MS, Deputy Editor, Statistics, reports that she has stock holdings in Pfizer, Johnson & Johnson, and Colgate-Palmolive. Christina C. Wee, MD, MPH, Deputy Editor, reports employment with Beth Israel Deaconess Medical Center. Sankey V. Williams, MD, Deputy Editor, reports that he has no financial relationships or interests to disclose. Yu-Xiao Yang, MD, MSCE, Deputy Editor, reports that he has no financial relationships or interest to disclose.

With the assistance of additional physician writers, the editors of Annals of Internal Medicine develop In the Clinic using MKSAP and other resources of the American College of Physicians.



In the Clinic does not necessarily represent official ACP clinical policy. For ACP clinical guidelines, please go to https://www.acponline.org/clinical_information/guidelines/.

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Obstructive sleep apnea (OSA) is very common but is frequently undiagnosed. Symptoms include loud snoring, nocturnal awakening, and daytime sleepiness. Motor vehicle accidents due to drowsy driving are a particular concern. Evaluation and treatment should focus on symptomatic patients, both to alleviate symptoms and to potentially decrease cardiovascular risk. In recent years, a strategy of home sleep apnea testing followed by initiation of autotitrating continuous positive airway pressure therapy in the home has greatly reduced barriers to diagnosis and treatment and has also facilitated routine management of OSA by primary care providers.

Patel SR. Obstructive Sleep Apnea. Ann Intern Med. 2019;171:ITC81–ITC96. doi: https://doi.org/10.7326/AITC201912030

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