• Aslam Ejaz, Gaya Spolverato, Yuhree Kim, Christopher L Wolfgang, Kenzo Hirose, Matthew Weiss, Martin A Makary, and Timothy M Pawlik.
• Department of Surgery, University of Illinois Hospital and Health Sciences Center, Chicago, IL.
• Surgery. 2015 Aug 1;158(2):323-30.

BackgroundResident participation during hepatic and pancreatic resections varies. The impact of resident participation on surgical outcomes in hepatic and pancreatic operations is poorly defined.MethodsWe identified 25,511 patients undergoing a hepatic or pancreatic resection between 2006 and 2012 using the American College of Surgeons National Surgical Quality Improvement Program database. Multivariate regression models were constructed to determine any association between resident participation and surgical outcomes.ResultsPancreatic resections (n = 16,045; 62.9%) were more common than liver resections (n = 9,466; 37%). Residents participated in the majority of cases (n = 21,857; 86%), with most involvement at the senior level (postgraduate year ≥ 3, n = 21,147; 97%). Resident participation resulted in slightly longer mean operative times (hepatic, 9 minutes; pancreatic, 22 minutes; both P < .01). Need for perioperative transfusion, hospital duration of stay, and reoperation rates were unaffected by resident participation (all P > .05). Resident participation resulted in a higher risk of overall morbidity (odds ratio [OR], 1.14; 95% CI, 1.05-1.24; P = .001), but not major morbidity (OR, 1.05; 95% CI, 0.93-1.20; P = .40) after liver and pancreas resection. Resident participation resulted in lower odds of 30-day mortality after liver and pancreas resections (OR, 0.75; 95% CI, 0.60-0.94; P = .01).ConclusionAlthough resident participation resulted in slightly longer operative times and a modest increase in overall complications after liver and pancreatic resection, other metrics such as duration of stay, major morbidity, and mortality were unaffected. These data have important implications for educating patients regarding resident participation in these complex cases.Copyright © 2015 Elsevier Inc. All rights reserved.

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