The aim of this study is to describe the clinical presentation, indications, and operative treatment as well as assess the morbidity, mortality, and overall performance of revisional GBP after either failed and/or complicated Biliopancreatic Diversion "BPD" for weight loss. With such information, we hope to determine what features might assist us in advancing our knowledge about mechanisms of failure after primary bariatric surgery, mechanism of action of revisional GBP, and performance of revisional GBP through traditional outcome measurements as well as identifying predictors of good or poor outcome after revisional GBP in this specific subpopulation.
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Morbidity and mortality
Timeframe: at discharge, 1 week, 3 weeks, 8 weeks, 3 months, 6 months, 1 year and annually thereafter for up to 8 years
Weight loss expressed as Body Mass Index and Percentage of excess weight loss
Timeframe: at 6 months, 1 year and annually thereafter for up to 8 years