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Updated: Jul 7, 2026

A Protocol for Roux-en-Y Gastric Bypass in Rats using Linear Staplers
Published on: August 21, 2021
Bleeding duodenal ulcer after roux-en-Y gastric bypass surgery
Marc Zerey1, Lee B Sigmon, Timothy S Kuwada
1Department of General Surgery, Carolinas Medical Center, 1000 Blythe Blvd, MEB 601, Charlotte, NC 28203-5812, USA.
Abstract:
Postoperative upper gastrointestinal bleeding, though rare, is a potentially fatal complication of gastric bypass surgery that usually occurs a few months postoperation. The current report describes a 57-year-old man with a bleeding duodenal ulcer who underwent Roux-en-Y gastric bypass surgery 12 years earlier. With an increasing number of gastric bypass surgeries performed each year, physicians must be aware of their patients' altered gastrointestinal anatomy and physiology-as well as the potential for pathophysiology.
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