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Weight Loss Surgery

Roux-en-Y Gastric Bypass


In the gastric bypass procedure, a 15-20cc stomach pouch is constructed (usual stomach approximately 1500cc or greater). The remainder of the stomach is separated from the new stomach pouch and stapled closed. This part of the stomach is not removed. The new stomach pouch is then connected to the small intestine. This is done by dividing the intestine approximately 40cm from the stomach and attaching the distal part to the stomach pouch. The proximal part of the divided intestine is then connected to the side of the intestine that was previously attached to the pouch. The roux limb is that part of the intestine between the stomach pouch and the connection to the proximal small intestine.

The difference between short limb (or proximal) and long limb (or distal) gastric bypass is the length of the roux limb. Long limb gastric bypass results in more malabsorption than short limb gastric bypass.

Gastric Bypass procedure explained by Dr. Owens

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Iíve done a lot of Gastric Bypass surgeries and think itís a great choice for many patients. New studies show that itís the best choice for resolving type 2 diabetes. Weight loss for my practice is about 81% of excess body weight lost after 1 year and 75% at the 5 year mark. Surgery often takes about 1 hour, and lots of patients leave the hospital next day.