Pre- and postoperative esophageal and gastric pH levels in morbidly obese patients undergoing vertical gastroplasty.

Abstract:

BACKGROUND:The aim of this study was to determine whether the anatomicofunctional changes induced by vertical gastroplasty lead to pH alterations in the esophagus and body and antrum of the stomach. MATERIALS AND METHODS:23 non-smoking volunteers (3 men, 20 women) mean age 35.29 +/- SD 6.85 years, mean weight 163.17 +/- 52.11 kg and mean BMI 56.06 +/- 14.01 kg/m2 were studied. The pH of the esophagus, body and antrum of the stomach were measured preoperatively and 18 months postoperatively (after excess weight loss). Data was analyzed statistically using paired student t-test. RESULTS:The pH values before (pH(1)) and after (pH(2)) the operation were: for the esophagus pH(1e) +/- SD = 6.12 +/- 0.31 and pH(2e) +/- SD = 5.92 +/- 0.37 (P =0.38), for the body of the stomach pH(1b) +/- SD = 2.2 +/- 0.30 and pH(2b) +/- SD = 2.56 +/- 0.34 (P =0.30), and for the antrum pH(1a) +/- SD = 1.78 +/- 0.28, and pH(2a) +/- SD = 1.65 +/- 0.36 (P =0.011). CONCLUSIONS:Vertical gastroplasty does not affect the pH levels in the esophagus and in the body of the stomach. However, there is acidification in the antrum, which could lead to pH-related diseases.

journal_name

Obes Surg

journal_title

Obesity surgery

authors

Papavramidis TS,Papavramidis ST,Sapalidis KG,Kessisoglou II,Gamvros OI

doi

10.1381/096089204322857690

subject

Has Abstract

pub_date

2004-02-01 00:00:00

pages

271-4

issue

2

eissn

0960-8923

issn

1708-0428

journal_volume

14

pub_type

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