Comparison of the Occurrence of Postoperative Complications Between Robotic and Laparoscopic Surgery in Revision Bariatric Surgery

In a population of patients undergoing bariatric revision surgery with conversion to RYGB and divided into two groups according to the surgical protocol: Group 1: robotic surgery Group 2: laparoscopy The primary objective of the study is to compare the rates of postoperative complications between the two groups, classified according to the Clavien Dindo classification. The secondary objectives are to compare between the groups: * Total duration of the surgical procedure, stay in the emergency room, and hospitalization * Postoperative pain * Adverse events * Weight loss * Improvement in comorbidities