Weight Loss Outcome After Silastic Ring Roux-en-Y Gastric Bypass: 8 Years of Follow-up

Background An underlying major aim of bariatric surgery is weight loss and its long-term maintenance. In spite of this, most studies regarding weight loss after surgical treatment of morbid obesity show 3-year follow-up results. We evaluated the effectiveness of silastic ring Roux-en-Y gastric bypass (SR-RYGBP) in promoting significant weight loss after an 8-year follow-up at the Londrina State University Hospital. Methods From May 1999 to December 2000, 211 morbidly obese patients were submitted to SR-RYGBP by the same surgical team. The study’s design was longitudinal, prospective, and descriptive. The analysis of postoperative weight decrease was based on excess weight loss in percentage (%EWL) and the calculation of body mass index. Therapeutic failure was considered when patients lost