Incidence of regurgitation after the banded gastric bypass.

Abstract:

BACKGROUND:Frequent regurgitation is a common complication following Roux-en-Y gastric bypass (RYGBP). This study investigated the risk of becoming a chronic regurgitator, by considering silicone ring size and lower esophageal sphincter (LES) function, and their relationship with weight loss. METHODS:80 morbidly obese patients were randomly selected to undergo surgery using ring length of 62 mm (40 patients, group A) or 77 mm (40 patients, group B), with 6 months' postoperative follow-up. Preoperative esophageal manometry parameters were correlated with occurrence of chronic postoperative regurgitation. Patients were considered to present chronic regurgitation when this occurred on >10 days/month. RESULTS:The groups were homogeneous regarding age, gender, race, weight, BMI (47.8+/-6.1 vs 50.2+/-6.4 kg/m2) and obesity-related diseases. There were 15% more chronic regurgitators in group A than in group B. Chronic regurgitators in group A lost more weight than chronic regurgitators in group B (P=0.026) or non-chronic regurgitators in group A (P=0.016). A greater proportion of chronic regurgitators had LES hypotonia (mean respiratory pressure <14 mmHg) than did non-chronic regurgitators (P=0.008). Logistic regression demonstrated that the chance of being a chronic regurgitator in group A was 4.5 times greater than in group B (P=0.046), and that the chance of a chronic regurgitator having LES hypotonia was seven times greater than of having normal LES pressure (P=0.006). CONCLUSION:Silicone ring size and LES hypotonia are independent prognostic factors for chronic regurgitation following RYGBP. Ring size and chronic regurgitation contribute significantly towards weight loss during the first 6 postoperative months.

journal_name

Obes Surg

journal_title

Obesity surgery

authors

Arasaki CH,Del Grande JC,Yanagita ET,Alves AK,Oliveira DR

doi

10.1381/096089205774859209

subject

Has Abstract

pub_date

2005-11-01 00:00:00

pages

1408-17

issue

10

eissn

0960-8923

issn

1708-0428

journal_volume

15

pub_type

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    pub_type: 杂志文章

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    authors: Wallenius V,Dirinck E,Fändriks L,Maleckas A,le Roux CW,Thorell A

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