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Endoscopic Closure of Gastric Fistula After Bariatric Surgery Using the Over-the-Scope Clip (OTSC): A Case Report

Hugues José García Araujo¹, Iván Javier Rodríguez Acosta¹, Valentina Oñate Manjarres²

¹Department of General Surgery, Universidad Libre, Barranquilla, Colombia.

Clinical Medicine Insights. Case Reports

|December 30, 2025

Abstract

Background:

A gastric fistula (GF) is defined as an abnormal communication between the gastric mucosa and an adjacent anatomical structure.

Case Presentation:

We report a 30-year-old male patient who developed a subcardial gastric fistula after sleeve gastrectomy. It was successfully treated using the Over-the-Scope Clip (OTSC) system as a non-surgical approach.

Conclusion:

This case demonstrates the effectiveness and feasibility of the over-the-scope clip device for closure of post-bariatric gastric fistulas and highlights its applicability when surgical intervention carries significant risks.

Keywords:

OTSC bariatric surgery endoscopy gastrectomy gastric fistula

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