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Short-term Results of Laparoscopic Mini-Gastric Bypass

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Background: The laparoscopic mini-gastric bypass (MGB) is a modification of Mason's loop gastric bypass, but with a long lesser curvature tube. With weight loss results similar to laparoscopic Roux-en-Y gastric bypass (LRYGBP), the MGB is a simpler operation with a low complication rate. Controversy exists concerning the efficacy and side-effects of this procedure. This report presents the technique of laparoscopic MGB and its results in 423 patients. Methods: From October 2001 to October 2004, 423 consecutive patients (87 males and 336 females) underwent laparoscopic MGB (LMGB) for morbid obesity. Mean age was 30.8 years, preoperative mean weight 120.3 kg and mean BMI 44.2 kg/m2. Results: All procedures were completed laparoscopically. Mean operative time was 130.8 minutes, and mean hospital stay was 5.0 days. 18 minor early complications (4.3%) were encountered, and 7 major complications (1.7%) occurred. Marginal ulcers were noted in 34 patients (8.0%) during follow-up, and anemia was found in 41 patients (9.7%). Mean BMI decreased to 29.2 and 28.4 kg/m2 at 1-year and 2-year follow-up, with mean excess weight loss 69.3% and 72.2%. The Gastrointestinal Quality of Life Index improved significantly 1 year after the operation. Conclusions: LMGB has a low complication and mortality rate. The learning curve is less steep than for LRYGBP, whereas the efficacy is similar.

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Wang, W., Wei, P., Lee, Y. et al. Short-term Results of Laparoscopic Mini-Gastric Bypass. OBES SURG 15, 648–654 (2005). https://doi.org/10.1381/0960892053923752

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  • MINI-GASTRIC BYPASS
  • VERTICAL GASTROPLASTY
  • LAPAROSCOPY
  • MORBID OBESITY