the single anastomosis is designed to present less risk overall compared to the multi-anastomosis techniques). In the long term, it can produce a bowel obstruction. There is a greater chance of bile reflux than a traditional duodenal switch. While previously considered experimental, in 2020 and 2018, respectively, both the American Society of Metabolic and Bariatric Surgery (ASMBS) and The International Federation for Surgery of Obesity and Metabolic Disorders (IFSO) released statements endorsing SADI as an effective and established surgical technique. While there is no research to indicate that it has any significant reduction in vitamin or mineral supplementation as compared to the Roux-en-Y gastric bypass surgical technique, the typically longer common channel in SADI, compared to Duodenal Switch surgery, means there is a somewhat lower degree of nutritional deficiency. See also SIPS surgery Bibliography External links Single anastomosis duodeno-ileal bypass with sleeve gastrectomy (SADI-S). One to three-year follow-up. Digestive system surgery Surgical procedures and techniques Bariatrics