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Video

Video: Biliopancreatic diversion with duodenal switch

By Mayo Clinic staff

Transcript

As with sleeve gastrectomy, this procedure begins with the surgeon removing a large part of the stomach. The valve that releases food to the small intestine is left, along with the first part of the small intestine, called the duodenum. The surgeon then closes off the middle section of the intestine and attaches the last part directly to the duodenum. This is the duodenal switch. The separated section of the intestine isn't removed from the body. Instead, it's reattached to the end of the intestine, allowing bile and pancreatic digestive juices to flow into this part of the intestine. This is the biliopancreatic diversion. As a result of these changes, food bypasses most of the small intestine, limiting the absorption of calories and nutrients. This, together with the smaller size of the stomach, leads to weight loss.
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References
  1. Farrell TM, et al. Clinical application of laparoscopic bariatric surgery: An evidence-based review. Surgical Endoscopy. 2009;23:930.
  2. Spivak H, et al. Long-term outcomes of laparoscopic adjustable gastric banding and laparoscopic Roux-en-Y gastric bypass in the United States. Surgical Endoscopy. 2012;26:1909.
  3. Bariatric surgery for severe obesity. National Institute on Diabetes and Digestive and Kidney Diseases. http://win.niddk.nih.gov/publications/gastric.htm. Accessed Jan. 15, 2013.
  4. Andrews RA, et al. Surgical management of severe obesity. http://www.uptodate.com/index. Accessed Jan. 15, 2013.
MM00811 Feb. 13, 2013

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