• John E Scarborough, Theodore N Pappas, Mitchell W Cox, Kyla M Bennett, and Cynthia K Shortell.
• Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA. scarb005@mc.duke.edu
• J. Vasc. Surg. 2012 Mar 1; 55 (3): 715-20.

ObjectiveThis study was conducted to determine the potential effect of surgical trainee participation during infrainguinal bypass procedures on postoperative graft patency rates.MethodsData from the National Surgical Quality Improvement Program (NSQIP) Participant User Files from 2005 through 2009 were retrospectively reviewed, using propensity score matching, to identify all patients undergoing infrainguinal bypass grafting procedures, excluding those who had prior operation ≤30 days of the index procedure. A separate analysis was performed on a subset of procedures from the entire NSQIP sample that was matched on propensity for intraoperative surgical trainee participation. The primary predictor variable was intraoperative surgical trainee participation. The main outcome measure was the 30-day postoperative graft failure rate.ResultsFor the entire sample of 14,723 NSQIP patients undergoing infrainguinal bypass grafting, 30-day graft failure rates were significantly higher when a surgical trainee participated (5.8%) vs without participation (3.9%; P < .0001). For the cohort of 9234 patients matched on their propensity for intraoperative trainee participation, this difference in graft failure rate remained significant (5.0% with participation vs 4.0% without participation; P = .02).ConclusionsSurgical trainee participation is an independent risk factor for technical failure after infrainguinal bypass grafting. Prospective evaluation is needed to determine the cause of this increase in graft failure rates for procedures that involve surgical trainees.Copyright © 2012 Society for Vascular Surgery. Published by Mosby, Inc. All rights reserved.

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