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- Title
The impact of bariatric surgery on admissions for gastrointestinal complications and conditions associated with obesity: A nationwide study.
- Authors
Patel, Arsheya; Abu Dayyeh, Barham K.; Balasubramanian, Gokulakrishnan; Hinton, Alice; Krishna, Somashekar G.; Brethauer, Stacy; Hussan, Hisham
- Abstract
Background: Obesity worsens various gastrointestinal pathologies. While bariatric surgery ameliorates obesity, it substantially modifies the gastrointestinal system depending on surgery type, with limited data on subsequent impact on obesity‐related gastrointestinal admissions. Methods: Using the 2012–2014 Nationwide Readmission Database, we included individuals with obesity who received vertical sleeve gastrectomy (VSG), Roux‐en‐Y gastric bypass (RYGB), or hernia repair (HR–control surgery). Our main focus was the adjusted odds ratio (aOR) for gastrointestinal inpatient admissions within 6 months following surgery compared to the 6 months preceding it, while controlling for several confounding factors. Gastrointestinal admissions were grouped into postoperative complications or obesity‐associated gastrointestinal conditions. Results: Our cohort included 140,103 adults with RYGB, 132,253 with VSG, and 12,436 HR controls. Postoperative gastrointestinal complications were most common after RYGB, prominently obstruction (aOR = 33.17, 95%CI: 18.01, 61.10), and Clostridium difficile infection (aOR: 12.52, 95%CI: 6.22, 25.19). VSG also saw significantly increased but less frequent similar conditions. Notably, for gastrointestinal conditions associated with obesity, acute pancreatitis risk was higher post‐VSG (aOR = 6.26, 95%CI: 4.02, 9.73). Post‐RYGB patients were most likely to be admitted for cholelithiasis with cholecystitis (aOR: 4.15, 95% CI: 3.24, 5.31), followed by chronic liver disease (aOR: 3.00, 95% CI: 2.33, 3.87). The risk of noninfectious colitis admissions was threefold higher after RYGB and VSG. No gastrointestinal conditions showed an increase after HR. Conclusion: Despite weight loss, bariatric surgery was associated with an increased risk of hepato‐pancreatobiliary and colitis admissions related to obesity in the first six postoperative months, with considerable variations in rates of gastrointestinal conditions by surgery type.
- Subjects
BARIATRIC surgery; GASTRIC bypass; GASTROINTESTINAL surgery; HERNIA surgery; CLOSTRIDIUM diseases; SLEEVE gastrectomy
- Publication
World Journal of Surgery, 2024, Vol 48, Issue 1, p175
- ISSN
0364-2313
- Publication type
Article
- DOI
10.1002/wjs.12013