الفهرس 
Title: Comparative Study between Laparoscopic mini-bastric bypass and roux en Y gastric bypass for management of morbid obesity
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Abstract
Background: Laparoscopic Roux-en-Y gastric bypass (LRYGB) is considered the gold standard for the treatment of morbid obesity but is technically challenging and results in significant perioperative complications. While laparoscopic mini-gastric bypass (LMGB) has been reported to be a simple and effective treatment for morbid obesity, controversy exists. Methods: Between March 2015 and October 2016, 60 patients who received gastric bypass surgery (30 for LMGB and 30for LRYGB) for their morbid obesity were recruited from our obesity clinic. Minimum follow-up was 1 year. Patients were matched for age, gender, and initial body mass index (BMI). Data concerning operative time, weight loss, complications, reflux and comorbidities were determined at follow-up. GERD score questionnaire was used to assess GERD symptoms. Results : Operation time was shorter in LMGBP group (95.03 vs 136.67). There was no mortality nor leakage in each group. The late complications rate was slightly higher in RYGBP group. The percentage of excess weight loss was 58.55% and 78.80% at 6 and 12 months, respectively, in the LMGB group, and 57.95% and 75.45% in the LRYGBP group. Biliary reflux was evident in 11 (36.6%) patients among the MGB group by the upper GI endoscopy and a high bilirubin levels in the gastric aspirate (>1.3 mg/dl) and all these patients were symptomatic, but symptoms were tolerated and improved with time and there was no need for any revision surgery. In the early postoperative periods, patients in the MGB group achieved a higher GERD score than those in the RYGBP group, but symptoms markedly improved and by the end of the first year both groups show nearly equal GERD scores. A significant improvement of obesity-related clinical parameters and complete resolution of metabolic syndrome in both groups were noted. Conclusion : In this short-term study, we observed a similar efficiency on weight loss and resolution of co-morbidities for both LMGB and RYGBP. LMGB superseded LRYGB in its technical ease and safety. Long-term evaluation is necessary to confirm these outcomes