Marginal Ulcer Perforation After One-Anastomosis Gastric Bypass: Case Report and Literature Review.

One-anastomosis gastric bypass is an accepted bariatric procedure performed worldwide. Perforation of the gastrojejunal anastomosis ulcer is a rare and rather serious complication for which there is no well-defined treatment. Suturing of perforation with omentopexy is the most common treatment. Bile diversion from the anastomotic ulcer may be additionally required in some cases. [ABSTRACT FROM AUTHOR]