RT Book, Section A1 Pfeifer, Kurt A2 Cohn, Steven L. SR Print(0) ID 1179531045 T1 Sleep Apnea and Airway Management T2 Decision Making in Perioperative Medicine: Clinical Pearls YR 2021 FD 2021 PB McGraw Hill PP New York, NY SN 9781260468106 LK accessmedicine.mhmedical.com/content.aspx?aid=1179531045 RD 2024/04/24 AB Current studies estimate at least 25 million people in the United States have obstructive sleep apnea (OSA), and in the surgical population the incidence of moderate or severe sleep apnea (defined as a respiratory event index [REI] or apnea-hypopnea index [AHI] ≥15) is approximately 30%.1 Sleep apnea is associated with several perioperative complications, including respiratory failure, delirium, major adverse cardiac events, and mortality, and these risks are likely higher among patients with undiagnosed sleep apnea.2 Although OSA is often the primary focus of clinicians, it is important to note that central sleep apnea is also a major source of morbidity and mortality.