Weight loss and Comorbidities in Revisional Gastric Bypass Compared to a Control Group of Primary Gastric Bypass. A Population Study From the Scandinavian Obesity Surgery Registry (SOREG)

In Sweden the Roux-en-y gastric bypass is the most common procedure when revision of other bariatric surgery technics is needed. The procedure is considered to be favourable with satisfying results concerning weight loss and a lower complication rate.This study is an analysis of all revisional gastric bypass operations in Sweden between 2007 and 2012 compared to a matched group of primary gastric bypass with focus on indication for revisional surgery, weight results and impact on comorbidity.