• David W Barbara, Joseph A Hyder, Travis L Behrend, Martin D Abel, Hartzell V Schaff, and William J Mauermann.
• Department of Anesthesiology, Mayo Clinic College of Medicine, Rochester, MN.
• J. Cardiothorac. Vasc. Anesth. 2016 Jun 1; 30 (3): 659-64.

ObjectivesThis study's purpose was to review non-cardiac surgery (NCS) in patients with hypertrophic obstructive cardiomyopathy (HOCM) to examine perioperative management and quantify postoperative mortality and worsening heart failure.DesignRetrospective review.SettingA single tertiary care center.ParticipantsThe study included 57 adult patients with HOCM who underwent NCS from January 1, 1996, through January 31, 2014.InterventionsNoncardiac surgery.Measurements And Main ResultsThe authors identified 57 HOCM patients who underwent 96 NCS procedures. Vasoactive medications were administered to the majority of NCS patients. Three patients (3%) died within 30 days of NCS, but causes of death did not appear to be cardiac in nature. Death after NCS was not significantly associated with preoperative left ventricular ejection fraction (p = 0.2727) or peak instantaneous systolic resting gradient (0.8828), but was associated with emergency surgery (p = 0.0002). Three patients experienced worsening heart failure postoperatively, and this was significantly associated with preoperative New York Heart Association Class III-IV symptoms compared with I-II symptoms (p = 0.0008).ConclusionsHOCM patients safely can undergo NCS at multidisciplinary centers experienced in caring for these patients. The mortality rate in this study was less than that reported in the majority of other studies. Postoperative complications, including increasing heart failure, may occur, especially in patients with more severe preoperative cardiac symptoms.Copyright © 2016 Elsevier Inc. All rights reserved.

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