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Endoscopic management of stomal stenosis after Roux-en-Y gastric bypass

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Abstract

Background: In the United States, Roux-en-Y gastric bypass has evolved into the procedure of choice for clinically severe obesity. Stomal stenosis resulting in gastric outlet obstruction is a recognized complication. Endoscopic balloon dilation is often used to treat this condition. To evaluate the safety and efficacy of endoscopic management of stomal stenosis we evaluated our treatment methods and outcomes. Methods: The records of all patients undergoing Roux-en-Y gastric bypass from 1 July 2000 to 30 June 2002 were studied. Stenosis was defined as signs and symptoms of obstruction with inability to cannulate the gastrojejunostomy using an 8.5-mm diagnostic endoscope. Charts were reviewed and demographic data, operative course, symptoms, and outcomes were recorded. Results: A total of 562 patients underwent Roux-en-Y gastric bypass for obesity during the study period. Of these, 38 patients underwent endoscopic balloon dilation for stomal stenosis, for a stenosis rate of 6.8%. The average time from surgery to initial dilation was 7.7 weeks (range 3 to 24). The average number of dilations required was 2.1 (range one to six). The mean initial balloon size was 13 mm and the mean final balloon size was 16 mm. Two patients failed endoscopic dilation and proceeded to surgery, including one patient who developed pneumomediastinum and pneumothorax after dilation. All patients were relieved of their gastric outlet obstruction. The success rate for endoscopic balloon dilation was 95% with a 3% complication rate. Conclusions: In our experience, the rate of gastrojejunostomy stenosis following Roux-en-Y gastric bypass is 6.8%. Endoscopic balloon dilation is a safe and effective therapy for stomal stenosis with a high success rate. It should be considered an appropriate intervention with a low risk for reoperation.

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  1. Department of Surgery, The Ohio State University Medical Center, 410 W. 10th Avenue, Columbus, OH 43210, USA

    M. R. Go, P. Muscarella II, B. J. Needleman, C. H. Cook & W. S. Melvin

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  1. M. R. Go
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  2. P. Muscarella II
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  3. B. J. Needleman
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  4. C. H. Cook
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  5. W. S. Melvin
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Correspondence to W. S. Melvin.

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Go, M., Muscarella, P., Needleman, B. et al. Endoscopic management of stomal stenosis after Roux-en-Y gastric bypass . Surg Endosc 18, 56–59 (2004). https://doi.org/10.1007/s00464-003-8919-x

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  • DOI: https://doi.org/10.1007/s00464-003-8919-x

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