Gastrogastric Fistula: a Possible Complication of Roux-En-Y Gastric Bypass

Abstract

BACKGROUND Gastrogastric fistula is a communication between the proximal gastric pouch and the distal gastric remnant, rarely described in the realm of bariatric procedures. The aim of this study was to review the existing literature about this topic and to demonstrate its laparoscopic treatment. METHODS An extensive literature review found several articles reporting this complication. However, no citation was found describing the steps of the laparoscopic management of this situation. RESULTS Gastrogastric fistula occurs in up to 6% of Roux-en-Y gastric bypasses. Two theories exist for fistula formation: (1) it is a technical complication derived from the incomplete division of the stomach during the creation of the pouch, and (2) it occurs after a staple-line failure, developing a leak with an abscess, which then drains into the distal stomach forming the fistula. Early symptoms include fever, tachycardia, and abdominal pain. Failure in weight loss is a late clinical sign observed in these patients. Diagnosis is based on radiologic study, upper endoscopy and computed tomography. When identified in the acute postoperative course, laparoscopic treatment is easy. Chronic fistulas are difficult to manage, and the laparoscopic approach is an alternative to open surgery. CONCLUSIONS Gastrogastric fistula is a possible complication of Roux-en-Y gastric bypass and its laparoscopic treatment is feasible.

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@inproceedings{Filho2006GastrogastricFA, title={Gastrogastric Fistula: a Possible Complication of Roux-En-Y Gastric Bypass}, author={Alcides Jos{\'e} Branco Filho and William Kondo and Lu{\'i}s S{\'e}rgio Nassif and Mariana Jorge Garcia and Rafael de Almeida Tirapelle and Carlos Marcelo Dotti}, booktitle={JSLS : Journal of the Society of Laparoendoscopic Surgeons}, year={2006} }