Excluded-stomach Perforation after Roux-en-Y and One-anastomosis Gastric Bypass: A Systematic Review with Video-illustrated Case Report - Takeaways - MDSpire

Excluded-stomach Perforation after Roux-en-Y and One-anastomosis Gastric Bypass: A Systematic Review with Video-illustrated Case Report

  • By

  • Mohamed Hany

  • Ala Wafa

  • Mona S. Youssef

  • Mohamed H. Zidan

  • Hashem Altabbaa

  • Hazem Al-Momani

  • Dina M. Hafez

  • Walid El Ansari

  • Mohamed Samir

  • May 20, 2026

  • 0 min

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  • 1

    One-anastomosis gastric bypass (OAGB) is a widely performed bariatric surgery with similar outcomes to Roux-en-Y gastric bypass (RYGB).

  • 2

    The excluded gastric remnant in OAGB may secrete acid and exhibit motility, posing risks for bile reflux, mucosal injury, and perforation.

  • 3

    Perforation of the excluded gastric remnant is a rare but serious complication, with limited literature on its incidence and risk factors.

  • 4

    This systematic review synthesizes evidence on the clinical presentation, diagnosis, management, and outcomes of gastric remnant perforation.

  • 5

    The study highlights the diagnostic challenges of excluded gastric remnant perforation, emphasizing the role of diagnostic laparoscopy for confirmation.

Original Source(s)

Excluded-stomach Perforation after Roux-en-Y and One-anastomosis Gastric Bypass: A Systematic Review with Video-illustrated Case Report

  • by Mohamed Hany, Ala Wafa, Mona S. Youssef, Mohamed H. Zidan, Hashem Altabbaa, Hazem Al-Momani, Dina M. Hafez, Walid El Ansari, Mohamed Samir

  • May 20, 2026

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