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Treatment of ring slippage after gastric bypass: long-term results after endoscopic dilation with an achalasia balloon (with videos).

Abstract：

BACKGROUND:Silastic rings are used in gastric bypass procedures for the treatment of obesity, but ring slippage may lead to gastric pouch outlet stenosis (GPOS). Conventional management has been ring removal through abdominal surgery. OBJECTIVE:To describe a novel, safe, minimally invasive, endoscopic technique for the treatment of GPOS caused by ring slippage after gastric bypass. DESIGN:Case series. SETTING:Federal University of Pernambuco and São Paulo University. PATIENTS:This study involved 39 consecutive patients who were screened for inclusion. INTERVENTION:Endoscopic dilation with an achalasia balloon. MAIN OUTCOME MEASUREMENTS:Technical success and safety of the procedure. RESULTS:Among the 39 patients, 35 underwent endoscopic dilation at the ring slippage site for the relief of GPOS. The 4 patients who did not undergo endoscopic dilation underwent surgical removal of the ring, based on the exclusion criteria. The endoscopic approach was successful in 1 to 4 sessions in 100% of cases with radioscopic control (n = 12). The duration of the procedures ranged from 5 to 30 minutes, and the average internment was 14.4 hours. Dilation promoted either rupture (65.7%) or stretching (34.3%) of the thread within the ring, thereby increasing the luminal diameter of the GPOS. Complications included self-limited upper digestive tract hemorrhage (n = 1) and asymptomatic ring erosion (n = 4). There were no recurrences of obstructive symptoms during the follow-up period (mean of 33.3 months). LIMITATIONS:This was not a randomized, comparison study, and the number of patients was relatively small. CONCLUSION:The technique described promotes the relief of GPOS with low overall morbidity and avoids abdominal reoperation for ring removal.

journal_name

Gastrointest Endosc

journal_title

Gastrointestinal endoscopy

authors

Campos JM,Evangelista LF,Ferraz AA,Galvao Neto MP,De Moura EG,Sakai P,Ferraz EM

doi

10.1016/j.gie.2010.01.057

subject

Has Abstract

pub_date

2010-07-01 00:00:00

pages

44-9

issue

eissn

0016-5107

issn

1097-6779

pii

S0016-5107(10)00130-6

journal_volume

pub_type

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Treatment of ring slippage after gastric bypass: long-term results after endoscopic dilation with an achalasia balloon (with videos).