Marginal ulceration following Roux-en-Y gastric bypass: risk factors for ulcer development, recurrence and need for revisional surgery

BackgroundMarginal ulcer formation is a known complication following RYGB. While most respond to medical therapy, many patients have recurrent or chronic MU. Although non-steroidal anti-inflammatory drug (NSAID) use, smoking and Helicobacter pylori infection are known risk factors of MU, little is known about what increases the likelihood of developing recalcitrant ulcers. The objective of this study is to identify risk factors for marginal …