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Outcomes of Bariatric Surgery in Patients with Inflammatory Bowel Disease



Obesity has become prevalent in patients with inflammatory bowel disease (IBD). Bariatric surgery can be considered to be contraindicated in IBD patients. We aimed to evaluate feasibility, safety, and efficacy of bariatric surgery in IBD patients.


We retrospectively identified all morbidly obese patients with a known diagnosis of IBD, who underwent bariatric surgery between January 2005 and December 2012. Postoperative outcomes and status of IBD in patients on maintenance therapy for their disease were assessed.


We identified 20 IBD patients including 13 ulcerative colitis (UC) and 7 Crohn’s disease (CD) patients with a mean age of 54.0 ± 10.5 years, BMI of 50.1 ± 9.0 kg/m2, and duration of IBD of 11.3 ± 5.2 years. Eleven patients were on medication for IBD at baseline. Bariatric procedures included sleeve gastrectomy (N = 9), gastric bypass (N = 7), gastric banding (N = 3), and one conversion of band to gastric bypass. There were no intraoperative complications, but two conversions to laparotomy due to adhesions. Mean BMI change and excess weight loss at 1 year was 14.3 ± 5.7 kg/m2 and 58.9 ± 21.1 %, respectively. Seven early postoperative complications occurred including dehydration (N = 5), pulmonary embolism (N = 1), and wound infection (N = 1). During a mean follow-up of 34.6 ± 21.7 months, five patients developed complications including pancreatitis (N = 2), ventral hernia (N = 2), and marginal ulcer (N = 1). Nine out of ten eligible patients experienced improvement in their IBD status.


Bariatric surgery is feasible and safe in morbidly obese patients suffering from IBD. In addition to being an effective weight loss procedure, bariatric surgery may help mitigate symptoms in this patient population.

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Correspondence to Ali Aminian.

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Aminian, A., Andalib, A., Ver, M.R. et al. Outcomes of Bariatric Surgery in Patients with Inflammatory Bowel Disease. OBES SURG 26, 1186–1190 (2016).

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  • Bariatric surgery
  • Inflammatory bowel disease
  • IBD
  • Crohn’s disease
  • Ulcerative colitis
  • Gastric bypass
  • Sleeve gastrectomy
  • Weight loss