• Hiroto Kitahara, Mackenzie McCrorey, Brooke Patel, Sarah Nisivaco, and Husam H Balkhy.
• From the Department of Surgery, University of Chicago Medicine, Chicago, IL USA.
• Innovations (Phila). 2018 Jan 1; 13 (1): 35-39.

ObjectivePrevious studies have shown that women carry a higher risk of morbidity and mortality after coronary artery bypass surgery. We investigated gender differences in risk factors and outcomes in our patients undergoing robotic beating heart connector totally endoscopic coronary artery bypass.MethodsFrom July 2013 to April 2017, patients undergoing connector totally endoscopic coronary artery bypass were reviewed. We compared the outcomes of men versus women.ResultsA total of 192 men and 71 women underwent connector totally endoscopic coronary artery bypass. The mean ± SD age was 65.4 ± 10.6 years. The Society of Thoracic Surgeons score was higher in women than men (median = 1.46 vs 0.73, P = 0.001), and women had a higher rate of peripheral vascular disease (22.5% vs 9.9%, P = 0.007). Intraoperative data in women and men were similar except for the rate of multi-vessel connector totally endoscopic coronary artery bypass and the rate of bilateral internal mammary artery use, which were both lower in women (49.3% vs 64.6%, P = 0.024, and 42.3% vs 56.8%, P = 0.036, respectively). The mean ± SD length of hospital stay (women vs men: 3.99 ± 4.00 vs 3.39 ± 2.42, P = 0.324) was comparable. The 30-day mortality in women and men was 0% (0/71) and 2.1% (4/192), respectively (P = 0.577). The morbidity and mortality of single- or multi-vessel connector totally endoscopic coronary artery bypass were similar between men and women.ConclusionsWe conclude that the morbidity and mortality in women after robotic beating heart connector totally endoscopic coronary artery bypass in our center were similar to those seen in men.

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