Surgical Technique of Single Anastomosis Duodeno-Ileal Bypass With Sleeve Gastrectomy (Sadi-S)

Author Type(s)

Resident/Fellow

Document Type

Article

Publication Date

5-27-2022

DOI

10.52198/22.STI.41.GS1571

Journal Title

Surgical Technology International

Department

Surgery

Abstract

Laparoscopic Single Anastomosis Duodeno-Ileal Bypass with Sleeve Gastrectomy (SADI-S) is a bariatric/metabolic procedure that has been gaining popularity in recent years. SADI-S strongly affects the secretion of various gut hormones, adipocytokines and incretins. From a mechanistic point of view, the operation combines malabsorption and restriction, and has been shown to have a long-lasting and significant impact on weight loss and remission of comorbidities. With regard to the technique, first, a Sleeve is created and then the duodenum is tran-sected approximately 3-4cm after the pylorus at the level of the gastroduodenal artery (GDA). Next, 250-300cm of small bowel is measured from the caecum and a hand-sewn duo-deno-ileal anastomosis is performed. The length of the biliopancreatic limb is variable in this procedure. Because of the standardized common limb length in all patients, weight loss is very precise within a low range. Nevertheless, due to the complex hand-sewn anastomosis and the delicacy necessary when handling the duodenum, this procedure should be reserved for experienced bariatric surgeons in specialized centers. This article provides an overview of the standard surgical technique at the Department of Visceral Surgery at the Medical University of Vienna, as well as information about patient selection and pre- and postoperative care.

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