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Surgical Endoscopy

Published in:

01-02-2018

Barrett’s esophagus before and after Roux-en-Y gastric bypass for severe obesity

Authors: Brandon Andrew, Joshua B. Alley, Cristina E. Aguilar, Robert D. Fanelli

Published in: Surgical Endoscopy | Issue 2/2018

Abstract

Introduction

Barrett’s esophagus (BE) has been associated with obesity and metabolic syndrome. Laparoscopic Roux-en-Y gastric bypass (LRYGB) may represent a surgical approach which addresses both severe obesity and BE. LRYGB diverts bile away from the gastric pouch and esophagus due to the long Roux limb, and very little acid is produced in the cardia-based gastric pouch. Furthermore, surgically induced weight loss may diminish systemic inflammation, which may contribute to metaplastic changes in the esophagus. Moreover, improved compliance with proton-pump inhibitor therapy, as a consequence of enrolling in a bariatric program, will decrease acid production further. Decreased duodeno-gastro-esophageal reflux should lead to decreased BE. In this study we examine the effect of LRYGB on regression of BE.

Methods and procedures

We performed a review of all patients with biopsy proven BE, who underwent LRYGB at our institution. A total of 19 patients were identified. A subset of those patients was identified who had at least 1 year of clinical, endoscopic, or histological data, comprising a total of 14 patients. Seven of these patients had symptoms of gastroesophageal reflux. All 19 patients had short-segment BE. One patient had low-grade dysplasia.

Results

Post-LRYGB, 6 of 14 (42.9%) patients had histologic regression of BE to normal esophageal mucosa, with no evidence of ongoing BE. 13 of 14 patients (92.8%) reported compliance with continuing PPI therapy for at least the first year after surgery. Body mass index for the group of 14 patients improved from 46.6 to 30.3 kg/m².

Conclusions

We recommend LRYGB as an effective combined bariatric and anti-reflux surgical procedure for patients with severe obesity and BE. In short-term follow-up, LRYGB achieved endoscopic and histologic regression to normal mucosa in a substantial number of the patients in our series. Long-term follow-up for patients with BE according to standard surveillance protocols is still recommended.

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Title: Barrett’s esophagus before and after Roux-en-Y gastric bypass for severe obesity
Authors: Brandon Andrew
Joshua B. Alley
Cristina E. Aguilar
Robert D. Fanelli
Publication date: 01-02-2018
Publisher: Springer US
Published in: Surgical Endoscopy / Issue 2/2018
Print ISSN: 0930-2794
Electronic ISSN: 1432-2218
DOI: https://doi.org/10.1007/s00464-017-5768-6

At a glance: The STEP trials

Springer Medicine

Barrett’s esophagus before and after Roux-en-Y gastric bypass for severe obesity

Abstract

Introduction

Methods and procedures

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Introduction

Methods and procedures

Results

Conclusions

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