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  • Title: Safety of concomitant cholecystectomy with laparoscopic sleeve gastrectomy and gastric bypass: a MBSAQIP analysis.
    Author: Wood SG, Kumar SB, Dewey E, Lin MY, Carter JT.
    Journal: Surg Obes Relat Dis; 2019 Jun; 15(6):864-870. PubMed ID: 31060907.
    Abstract:
    BACKGROUND: Gallstone disease occurs more commonly in the obese population and is often diagnosed during the preoperative evaluation for bariatric surgery. OBJECTIVES: This study analyzed outcomes of laparoscopic gastric bypass (LGB) and laparoscopic sleeve gastrectomy (SG), with and without cholecystectomy (LC), using data from the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program. SETTING: Patients reported to Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program participating centers in the United States and Canada in 2015. METHODS: All cases of LGB and SG, with and without LC, were analyzed. A 1:1 propensity-matched cohort was created for both SG and LGB, with and without concomitant LC. Multivariate logistic regression stratified by procedure was used to identify predictors of major complications after SG and LGB, using concomitant LC as a predictor. We also constructed a model for surgical site infections (SSIs) for SG group. RESULTS: Of 98,292 sleeve operations, 2046 (2%) had concomitant LC. Of 44,427 bypass operations, 1426 (3%) had concomitant LC. For the sleeve group, concomitant LC increased operative time by an average of 27 minutes but did not affect length of stay, mortality, or major complications. Concomitant LC was associated with increased SSI (1% versus .4%) and need for reoperation (1.6% versus .7%) in univariate models. After adjusting for other predictors, concomitant LC was associated with increased risk for SSI (odds ratio 2.5, confidence interval 1.0-5.9, P = .04). For the bypass group, concomitant LC increased operative time by an average of 28 minutes to the operation, and postoperative length of stay averaged ∼5 hours longer (2.4 versus 2.2 d, P = .03). Thirty-day complications were similar between the groups. On multivariate analysis, concomitant LC was not a significant risk factor for major complications. Only operative time was an independent factor for major complications. CONCLUSIONS: Concomitant LC with laparoscopic sleeve gastrectomy or gastric bypass did not affect mortality or risk of major complication. For sleeve patients, concomitant LC was associated with a .6% increased risk (.4% to 1.0%) of SSI. Concomitant LC with laparoscopic sleeve gastrectomy or gastric bypass is safe when indicated for gallstone disease.
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