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. 2024 May-Jun;58(5):447-453.
doi: 10.1097/MCG.0000000000001879. Epub 2023 Jun 27.

Effect of Bariatric Surgery on Disease Outcomes in Patients With Inflammatory Bowel Disease: A US-based Propensity Matched Cohort Study

Aakash Desai  1 , Jana G Hashash  2 , Gianna Baker  3 , Francis A Farraye  2 , Nisheet Waghray  1 , Gursimran S Kochhar  3
Affiliations

Effect of Bariatric Surgery on Disease Outcomes in Patients With Inflammatory Bowel Disease: A US-based Propensity Matched Cohort Study

Aakash Desai et al. J Clin Gastroenterol. 2024 May-Jun.

Abstract

Introduction and aim: A growing body of evidence suggests a negative impact of obesity on the disease activity of inflammatory bowel disease (IBD). The primary aim of the study was to evaluate disease outcomes of IBD in patients after bariatric surgery (BS).

Methods: Patients with IBD and morbid obesity who underwent BS were compared with patients with IBD and morbid obesity without BS in a retrospective, propensity-score matched cohort study using TriNetX, a multi-institutional database. The primary aim was to assess the 2-year risk of a composite of disease-related complications, which included intravenous steroid use or IBD-related surgery. Risk was expressed as adjusted odds ratios (aOR) with 95% confidence intervals (CI).

Results: In all, 482 patients (3.4%) with IBD and morbid obesity underwent BS (mean age 46.9±11.2 y old, mean BMI 42.1±7.72 kg/m 2 , Crohn's disease 60%). After propensity-score matching, the BS cohort had a lower risk (aOR 0.31, 95% CI 0.17-0.56) of a composite of IBD-related complications compared with the control cohort. After propensity-score matching, the BS cohort with sleeve gastrectomy had a decreased risk (aOR 0.45, 95% CI 0.31-0.66) of a composite of IBD-related complications. There was no difference in the risk (aOR 0.77, 95% CI 0.45-1.31) of a composite of IBD-related complications between the BS cohort with Roux-en-Y gastric bypass (RYGB) compared with the control cohort.

Conclusion: Sleeve gastrectomy but not Roux-en-Y gastric bypass is associated with improved disease-specific outcomes in patients with IBD and morbid obesity.

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