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Although laparoscopic sleeve gastrectomy (LSG) is an effective treatment for morbid obesity, the effects of LSG on gastroesophageal reflux disease (GERD) are controversial. This study evaluated the changes of GERD symptoms and erosive esophagitis (EE) in severely obese patients who underwent LSG.Forty-seven severely obese women and 19 severely obese men (mean age of 37.2 ± 12.7 years) who underwent LSG between August 2007 and November 2009 were enrolled. All patients completed the Reflux Disease Questionnaire and underwent esophagogastroduodenoscopy preoperatively and at least 1 year after LSG.The median follow-up period was 12 months (range, 12-21). After surgery, significant decreases were reported in mean body mass index (36.3 ± 4.1 vs. 25.8 ± 2.9 kg/m(2)), mean waist circumference (109.5 ± 12.8 vs. 85.7 ± 9.5 cm), and prevalence of metabolic syndrome (54.5 vs. 7.6 %; P < 0.001 for both). Conversely, a significant increase was observed in the prevalence of GERD symptoms (12.1 vs. 47 %) and EE (16.7 vs. 66.7 %) after LSG (P < 0.001 for both). The prevalence of hiatal hernias also increased significantly (6.1 vs. 27.3 %; P < 0.001) after LSG, and it was significantly higher in patients with than those without EE after LSG (9.1 vs. 36.4 %, respectively; P = 0.02).Although LSG can achieve significant weight loss and improvement of comorbidities in severely obese patients, the prevalence and severity of GERD symptoms and EE increase after the operation. The occurrence of EE after LSG is related to the presence of a hiatal hernia after the operation.

Increase in gastroesophageal reflux disease symptoms and erosive esophagitis 1 year after laparoscopic sleeve gastrectomy among obese adults