Predictive factors of complications in revisional gastric bypass surgery: results from the Scandinavian Obesity Surgery Registry

-Revisional bariatric surgery was associated with higher rates of intraoperative, early and late complications compared to primary gastric bypass surgery.-Primarily open access was an independent risk-factor for intraoperative, early and late complications after revisional bariatric surgery.-The indication for revision or type of index-operation were not associated with complications.