• Ning Ding, Bu-Qing Ni, Hong Wang, Wen-Xiao Ding, Rong Xue, Wei Lin, Zhang Kai, Shi-Jiang Zhang, and Xi-Long Zhang.
• Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
• J Clin Sleep Med. 2016 Oct 15; 12 (10): 1331-1337.

Study ObjectivesSleep apnea is common in patients referred for cardiac valve replacement (CVR). We aimed to determine the association of obstructive sleep apnea (OSA) and central sleep apnea (CSA) with perioperative events in CVR surgery in patients with rheumatic valvular heart disease (RVHD).MethodsBetween April 2010 and April 2014, 290 patients with RVHD undergoing CVR were screened for sleep apnea 1 to 7 days before CVR. Baseline medications, cardiac function, sleep parameters, perioperative events, and related risk factors were evaluated.ResultsOSA patients had longer duration of intensive care unit (ICU) stay and mechanical ventilation compared with no sleep-disordered breathing and CSA patients. Patients with CSA had a higher rate of pacemaker use and higher first dose of dobutamine in ICU. NYHA Class and the presence of OSA were independently associated with overall worsening of postoperative recovery (ICU stay ≥ 25 h). Age, NYHA class, and the presence of OSA were independently associated with postoperative respiratory insufficiency (mechanical ventilation ≥ 20 h). Preoperative atrial fibrillation, pulmonary hypertension, and OSA were independently associated with postoperative pacemaker use.ConclusionsRVHD patients with OSA have an increased incidence of perioperative adverse events. OSA was independently associated with overall postoperative recovery, respiratory insufficiency, and higher rate of postoperative pacemaker use, while CSA was not associated with postoperative events.© 2016 American Academy of Sleep Medicine

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