A Challenge between Trainee Education and Patient Safety: Does Fellow Participation Impact Postoperative Outcomes Following Bariatric Surgery?

Abstract

Background

Surgical training may potentially influence patient care. A safe, high-quality bariatric and metabolic surgery practice requires dedicated and specialized training commonly acquired during a fellowship. This study evaluates the impact of fellow participation on early postoperative outcomes in bariatric surgery.

Methods

From the American College of Surgeons (ACS-NSQIP) database, we identified all obese patients who had undergone primary laparoscopic Roux-en-Y gastric bypass (LRYGB) and sleeve gastrectomy (LSG) between 2010 and 2012. Logistic regression was used to prognosticate the surgical fellow (PGY-6, 7, or 8) participation in bariatric surgeries on perioperative outcomes, as compared to surgeries with no trainee participation.

Results

The study cohort consisted of 10,838 patients (8819 LRYGB, 2019 LSG, 32 % fellow participation). Fellows participated in higher-risk surgeries. Fellow involvement was associated with increased operative time in LRYGB (difference 42.4 ± 1.2 min, p < 0.001) and in LSG (difference 38.8 ± 2.5 min, p < 0.001). Multivariate regression revealed that fellow involvement in LSG did not significantly alter postoperative adverse events. Conversely, in the LRYGB group, fellow participation was independently associated with higher rates of overall complications (OR = 1.37, 95 % CI 1.16–1.63), serious complications (OR = 1.23, 95 % CI 1.00–1.52), surgical complications (OR = 1.42; 95 % CI 1.17–1.73), and reoperation (OR = 1.43, 95 % CI 1.10–1.87). On adjusted analysis, while readmission was higher with fellow involvement in both procedures, mortality rates were comparable.

Conclusions

Fellow involvement resulted in a clinically appreciable increase in operative times. Fellow participation in the operating room was also independently associated with worse early postoperative outcomes following LRYGB, but was not the case for LSG. Promoting proficiency in surgical simulation laboratories and a gradual participation of fellows from LSG to LRYGB during fellowship may be associated with a reduction in postoperative complications.

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