Citation, DOI, disclosures and article data
Citation:
Weerakkody Y, Shah V, Luong D, et al. Duodenal switch procedure. Reference article, Radiopaedia.org (Accessed on 14 Feb 2025) https://doi.org/10.53347/rID-70254
The duodenal switch procedure is a form of biliopancreatic diversion, often done as a weight loss procedure.
It has restrictive and malabsorptive elements:
restrictive element: removal of approximately 70% of the stomach (along the greater curvature), similar to a sleeve gastrectomy
malabsorptive element: most of the small bowel is bypassed by creating an anastomosis between the distal small bowel and the proximal duodenum, with the resulting alimentary and biliopancreatic limbs meeting to form a common channel
History and etymology
It is thought to have been described by DeMeester and colleagues in 1987 as a surgical solution for primary bile reflux gastritis or to decrease the postgastrectomy symptoms seen in patients after distal gastrectomy and gastroduodenostomy.
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2. Anthone GJ. The duodenal switch operation for morbid obesity. (2005) The Surgical clinics of North America. 85 (4): 819-33, viii. doi:10.1016/j.suc.2005.03.007 - Pubmed
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3. Myrosia T. Mitchell, Joseph M. Carabetta, Rajshri N. Shah, Moira A. O'Riordan, Arunas E. Gasparaitis, John C. Alverdy. Duodenal Switch Gastric Bypass Surgery for Morbid Obesity: Imaging of Postsurgical Anatomy and Postoperative Gastrointestinal Complications. (2012) American Journal of Roentgenology. 193 (6): 1576-80. doi:10.2214/AJR.08.1941 - Pubmed
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