MGB More Successful than LAP-BAND®!

Obes Surg. 2007 Sep;17(9):1235-41. Prediction of successful weight reduction after bariatric surgery, Lee et al.

Report from

Yi-Chih Lee1, Wei-Jei Lee2, 5, Tian-Shyug Lee3, Yang-Chu Lin4, Weu Wang5 Contact Information, Phui-Ly Liew6, Ming-Te Huang5 and Ching-Wen Chien7 (1) Graduate Institute of Business Administration, Fu-Jen Catholic University, Taipei Hsien, Taiwan (2) Department of Surgery, Min-Sheng General Hospital, Taoyuan Hsien, Taiwan (3) Graduate Institute of Management, Fu-Jen Catholic University, Taipei Hsien, Taiwan (4) Department of Business Administration, Soochow University, Taipei, Taiwan (5) Department of Surgery, Taipei Medical University Hospital, 252 Wu Hsing Street, Taipei, Taiwan (6) Department of Pathology, En-Chu Kong Hospital, Taipei Hsien, Taiwan (7) Institute of Hospital and Health Care Administration, National Yang-Ming University, Taipei, Taiwan

Received: 17 January 2007 Accepted: 14 March 2007

According to the authors:
BACKGROUND: Surgery is the only long-lasting effective treatment for morbid obesity. Accurate prediction of the success of weight loss after surgery is not widely known. Lee et al. analyzed patients undergoing bariatric surgery for predictors of successful weight loss.

METHODS: 249 patients undergoing laparoscopic Mini-Gastric Bypass (MGB) or adjustable gastric banding (LAP-BAND®) were enrolled. Logistic Regression and Artificial Neural Network (ANN) technologies were used to predict weight loss.

RESULTS: 249 patients consisting of 72 men and 177 women over 2 years. Mean age was 33 +/- 9 years. 208 (84%) patients had successful weight reduction while 41 (16.5%) did not.

Logistic Regression revealed that the type of operation had a significant prediction effect (P < 0.0001).

MGB patients had significantly higher successful weight loss than LAP-BAND® patients (79% vs 44%).

Neural Network analysis predicted the same results, i.e. the MGB was more likely to lead to successful weight loss.

CONCLUSION: The MGB can be expected to be much more effective than the LAP-BAND® in obtaining successful weight reduction at 2 years. Other studies of long term LAP-BAND® failure suggest that this advantage of the MGB over the LAP-BAND® will increase as the length of follow up increases.

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Warning: Gastric Bypass Surgery is a MAJOR surgical procedure. It can be associated with significant risks and complications, up to and including death. Weight loss surgery is a rapidly developing area of medicine. Bariatric surgery is filled with controversy. It is very important to take a careful and deliberate approach to considering surgery for the treatment of obesity.  

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