Roux-en-Y Gastric Bypass Operation
Stapled stomach pouch, y-shaped roux limb
| Malabsorptive Risks
& Benefits | Gastric Bypass Surgery
During the Roux-en-Y operation, the surgeon transects the stomach into a small upper section (the pouch) and a larger lower section using gastric staples.
The lower (distal) part of the stomach is then bypassed, together with the first portion of the small intestine (duodenum and jejunum). The small intestine is cut at this point and connected directly to the new stomach pouch. Food now travels from the pouch directly into the lower part of the small intestine, bypassing the lower stomach and first section of the intestine.
However, although food does not flow down this bypassed segment, it is still functioning because it carries the normal digestive juices from both the stomach and pancreas. These juices are allowed to flow out of the stomach and through the duodenum and jejunum which is then re-connected to the "Roux limb" (forming the Y shape).
In this way, the Roux-en-Y gastric bypass forces food to bypass the lower stomach, the duodenum, and the first portion of the jejunum, which means a reduction in the amount of calories and nutrients which the patient can absorb. See also Fobi Pouch
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Laparoscopic or open bariatric surgery, such as gastric banding or bypass is not an easy solution to morbid obesity and weight loss. It is a serious surgical procedure, involving health risks. To produce lasting weight loss it requires a long-term patient commitment to eating a healthy diet and following a regular program of physical exercise. Life-long use of nutritional supplements may also be necessary. So, before deciding, discuss your options fully with your doctor. © 2003-2018 Bariatric-Surgery.Info - Terms - Contact - Information - Resources