Gastro-esophageal reflux and esophageal motility disorders in morbidly obese patients

Obesity Surgery
M SuterJ M Calmes

Abstract

Morbid obesity has long been considered as a contributing factor to gastro-esophageal reflux, but the literature contains conflicting data on the subject. The authors studied a large number of morbidly obese candidates for bariatric surgery with objective means, in order to better define the incidence of gastro-esophageal reflux disease (GERD) and esophageal motility disorders in this population. Morbidly obese patients, in whom indication for bariatric surgery was confirmed after complete evaluation, were included consecutively during a 4-year period. The evaluation included history of reflux symptoms, upper GI endoscopy, 24-hour pH monitoring, and stationary esophageal manometry. 345 patients were studied, of whom 35.8% reported reflux symptoms. Endoscopy showed a hiatus hernia in 181 patients (52.6%), and reflux esophagitis in 108 (31.4%). 24-hour pH monitoring revealed an elevated De Meester score in 163 patients (51.7%). Manometry was normal in 247 patients (74.4%), and showed a decreased lower esophageal sphincter pressure in 59 (17.7%). Esophagitis and abnormal pH testing were more common in patients with symptoms or hiatus hernia, and the incidence of esophagitis was higher with abnormal pH testing. Esophagitis was asso...Continue Reading

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