Omentopexy in Sleeve Gastrectomy Reduces Early Gastroesophageal Reflux Symptoms

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Introduction:Laparoscopic sleeve gastrectomy (LSG) is one of the surgical procedures indicated in the treatment of obesity. The occurrence of gastroesophageal reflux (GER) in the postoperative period of this surgery is related to a reduction in the lower esophageal sphincter (LES) tone and the presence of gastric residual fundus (RF) associated with increased gastric intraluminal pressure. Fixation of the remaining gastric reservoir to the gastrosplenic and gastrocolic ligaments (omentopexy) has emerged as a technical option to avoid or decrease GER in the postoperative period of LSG.Objective:To evaluate the presence of GER symptoms, alterations in LES tone, and the presence of RF in obese subjects submitted to LSG with omentopexy.Methods:Twenty obese patients were submitted to LSG with omentopexy from July 2016 to July 2017 at the Hospital Unimed de Teresina, Brazil and was studied prospectively. Clinical evaluations, including a specific questionnaire (clinical score), upper digestive endoscopy and esophageal manometry, were performed preoperatively and on the 90th postoperative day. Contrast x-ray of the esophagus, stomach, and duodenum were performed after the 90th postoperative day. The Fischer exact test was used to evaluate the correlation between GER symptoms and changes in LES tone or the presence of RF. Analysis of variance was used to evaluate the correlation of GER symptoms with the 2 variables together. All analyses adopted a level of significance for α errors >5% (P-value <0.05).Results:The mean clinical score of GER reduced from 6.7 in the preoperative period to 2.7 in the postoperative period. By manometry, there were no significant changes in the LES tone with mean values of 26.04 and 27.07 mm Hg before and after the procedure. RF was identified in 3 cases by contrast radiology. There was no statistical correlation between the changes in the LES tone or the presence of RF with the increase in the clinical score of GER (in cases where this occurred), even when the variables were evaluated together.Conclusions:LSG with omentopexy improved the clinical score of GER in most cases and did not cause significant changes in the LES tone. The presence of RF did not exacerbate the clinical score of GER.

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