Non-response After Gastric Bypass and Sleeve Gastrectomy-the Theoretical Need for Revisional Bariatric Surgery: Results from the Scandinavian Obesity Surgery Registry.

SG is associated with a higher risk for weight non-response compared to GBP. To offer revisional bariatric surgery to all non-responders exceeds the bounds of feasibility and operability. Hence, individual prioritization and intensified evaluation of alternative second-line treatments are necessary.