Paul E O'Brien1, John B Dixon. 1. Monash University, Department of Surgery, The Alfred Hospital, Melbourne, Victoria, Australia. paul.obrien@med.monash.edu.au
Abstract
INTRODUCTION: Laparoscopic adjustable gastric banding was first introduced in the early 1990s as a potentially safe, controllable, and reversible method for achieving significant weight loss in the severely obese. The Bioenterics Lap-Band system (Inamed Health, Santa Barbara, California) is the device most commonly used. After 10 years of experience in treating more than 100000 patients with the Lap-Band, it is timely for us to review the outcomes. METHODS: Data for the review are derived from the experience of our unit in the treatment of 1250 patients to date, from an independent systematic review of the published literature up to September 2001, and from major studies published after the date of closure of the systematic review. RESULTS: Lap-Band placement has proved to be a very safe procedure with a mortality rate in the published reports of 1 in 2000, only 10% of the published mortality rate of gastric bypass. The early complication rate has been very low, but late complications of prolapse or erosions have been more frequent, particularly during the early experience. Weight is lost during the first 2 to 3 years after surgery. The systematic review reports 56% excess weight loss (EWL) at 5 years (three reports). In comparison, Roux-en-Y gastric bypass (RYGB) is reported to have achieved 59% EWL at 5 years (four reports). Major improvements in comorbid conditions have been reported in association with weight loss after Lap-Band placement. Most importantly, type 2 diabetes is usually cured, and insulin resistance and reduced pancreatic beta-cell function are reversed. Gastroesophageal reflux, obstructive sleep apnea, and depression are other diseases in which marked improvement is noted. Quality-of-life scores return to normal values. CONCLUSIONS: Lap-Band placement is proving to be safe and effective. In view of the attributes of adjustability, safe laparoscopic placement, and reversibility, it should be considered the optimal initial approach for the control of obesity and its comorbid conditions.
INTRODUCTION: Laparoscopic adjustable gastric banding was first introduced in the early 1990s as a potentially safe, controllable, and reversible method for achieving significant weight loss in the severely obese. The Bioenterics Lap-Band system (Inamed Health, Santa Barbara, California) is the device most commonly used. After 10 years of experience in treating more than 100000 patients with the Lap-Band, it is timely for us to review the outcomes. METHODS: Data for the review are derived from the experience of our unit in the treatment of 1250 patients to date, from an independent systematic review of the published literature up to September 2001, and from major studies published after the date of closure of the systematic review. RESULTS:Lap-Band placement has proved to be a very safe procedure with a mortality rate in the published reports of 1 in 2000, only 10% of the published mortality rate of gastric bypass. The early complication rate has been very low, but late complications of prolapse or erosions have been more frequent, particularly during the early experience. Weight is lost during the first 2 to 3 years after surgery. The systematic review reports 56% excess weight loss (EWL) at 5 years (three reports). In comparison, Roux-en-Y gastric bypass (RYGB) is reported to have achieved 59% EWL at 5 years (four reports). Major improvements in comorbid conditions have been reported in association with weight loss after Lap-Band placement. Most importantly, type 2 diabetes is usually cured, and insulin resistance and reduced pancreatic beta-cell function are reversed. Gastroesophageal reflux, obstructive sleep apnea, and depression are other diseases in which marked improvement is noted. Quality-of-life scores return to normal values. CONCLUSIONS:Lap-Band placement is proving to be safe and effective. In view of the attributes of adjustability, safe laparoscopic placement, and reversibility, it should be considered the optimal initial approach for the control of obesity and its comorbid conditions.
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