Failure of adjustable gastric banding: starting BMI of 46 kg/m2 is a fulcrum of success and failure

A BMI of 46 kg/m2 identifies those at high risk of failure to lose a significant percentage of excess weight after adjustable gastric banding and who require closer follow-up. Furthermore, patients who have a BMI >46 kg/m2 should be advised that their weight loss might be suboptimal at 1 year.