• Elizabeth M Huffman, Jennifer N Choi, John R Martin, Nicholas E Anton, Brianne L Nickel, Sara Monfared, Lava R Timsina, Gary L Dunnington, and Dimitrios Stefanidis.
• Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana.
• Ann. Surg. 2022 Dec 1; 276 (6): e1083e1088e1083-e1088.

ObjectiveTo demonstrate the feasibility of implementing a CBE curriculum within a general surgery residency program and to evaluate its effectiveness in improving resident skill.Summary Of Background DataOperative skill variability affects residents and practicing surgeons and directly impacts patient outcomes. CBE can decrease this variability by ensuring uniform skill acquisition. We implemented a CBE LC curriculum to improve resident performance and decrease skill variability.MethodsPGY-2 residents completed the curriculum during monthly rotations starting in July 2017. Once simulator proficiency was reached, residents performed elective LCs with a select group of faculty at 3 hospitals. Performance at curriculum completion was assessed using LC simulation metrics and intraoperative operative performance rating system scores and compared to both baseline and historical controls, comprised of rising PGY-3s, using a 2-sample Wilcoxon rank-sum test. PGY-2 group's performance variability was compared with PGY-3s using Levene robust test of equality of variances; P < 0.05 was considered significant.ResultsTwenty-one residents each performed 17.52 ± 4.15 consecutive LCs during the monthly rotation. Resident simulated and operative performance increased significantly with dedicated training and reached that of more experienced rising PGY-3s (n = 7) but with significantly decreased variability in performance ( P = 0.04).ConclusionsCompletion of a CBE rotation led to significant improvements in PGY-2 residents' LC performance that reached that of PGY-3s and decreased performance variability. These results support wider implementation of CBE in resident training.Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

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