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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 ]
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 .
Nonbilious vomiting, nausea, and abrupt onset stomach pain in the right upper quadrant are common symptoms in patients with acute afferent loop syndrome. Abdominal distension and postprandial epigastric discomfort lasting anywhere from a few minutes to an hour are common symptoms experienced by patients with chronic afferent loop syndrome.
The procedure is normally performed laparoscopically, though in a small minority of instances prior surgery may have resulted in extensive scarring, [6] requiring open surgery. Roux-en-Y gastric bypass is a commonly chosen revision technique, [7] particularly in patients who have not been successful in meeting their weight loss goals after ...
Anatomy before Roux-en-y surgery to resect stomach cancer Surgery remains the only curative therapy for stomach cancer. [ 6 ] A 2016 Cochrane review found low-quality evidence of no difference in short-term mortality between laparoscopic and open gastrectomy (removal of stomach), and that benefits or harms of laparoscopic gastrectomy cannot be ...
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