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In general surgery, a Roux-en-Y anastomosis, or Roux-en-Y, is an end-to-side surgical anastomosis of bowel used to reconstruct the gastrointestinal tract. Typically, it is between stomach and small bowel that is distal (or further down the gastrointestinal tract) from the cut end. [1]
The transverse colon is not shown so that the Roux-en-Y can be seen. The variant seen in this image is retro colic, retro gastric because the distal small bowel that joins the proximal segment of the stomach is behind the transverse colon and stomach. Illustration of Roux-en-Y gastric bypass surgery
Roux-en-Y gastric bypass surgery involves the creation of a new connection in the gastrointestinal tract, from a smaller portion of the stomach to the middle of the small intestine. [ 4 ] The surgery is a permanent procedure that aims to decrease the absorption of nutrients due to the new, limited connection created. [ 4 ]
Billroth II, more formally Billroth's operation II, is an operation in which a partial gastrectomy (removal of the stomach) is performed and the cut end of the stomach is closed.
Combined restrictive and malabsorptive techniques are called gastric bypass techniques, of which Roux-en-Y gastric bypass surgery (RGB) is the most common. In this technique, staples are used to form a pouch that is connected to the small intestine , bypassing the lower stomach, the duodenum , and the first portion of the jejunum .
From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Gastric bypass surgery#Surgical techniques
The SADI-S is a single anastomosis bariatric surgery. It is different from the classic duodenal switch, the gastric bypass (RNY) or sleeve gastrectomy.It is a type of bariatric surgery carried out to lose weight and to mitigate various metabolic issues including type 2 diabetes, dislipidemia, metabolic syndrome, and polycystic ovary syndrome.
The Roux-en-Y gastric bypass (RYBG), a modification of the original gastric bypass, was both a restrictive and malabsorptive surgery and became the preferred method. It reduced the size of the stomach and limited the number of nutrients the body absorbed by bypassing a portion of the small intestine, resulting in better long-term weight loss.