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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 ]
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.
An adjustable gastric band is an inflatable silicone prosthetic device that is placed around the top portion of the stomach. This procedure can be performed as a revision procedure for many patients who have had a previous stomach stapling, gastroplasty procedure, or Roux-en-Y gastric bypass surgery but have regained weight.
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 .
Adjustable gastric band or "lap band", a band creates a pocket in the stomach that can be adjusted with a port placed just under the skin; Roux-en-Y gastric bypass surgery, the small intestine is connected to the upper part of the stomach; Partial ileal bypass surgery, shortening the final portion of the small intestine
Roux-en-Y anastomosis: César Roux: Upper gastrointestinal surgery: End-to-side anastomosis between cut end of small bowel and distal small bowel: Roux' operation at Who Named It? Sistrunk procedure Walter Sistrunk: Otorhinolaryngology: Surgical management option for thyroglossal cyst.
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