Bariatric Surgery 3

Gastric Bypass

Weight Loss Procedures

This procedure, which is also known as the Roux-en-Y Gastric Bypass, is considered the gold standard of weight loss surgery. It is the most commonly performed bariatric procedure in the world. In this surgery, a small stomach pouch is created by dividing the top of the stomach from the rest of the stomach. Then, the first part of the small intestine is divided and the bottom end of the divided small intestine is connected to the newly-created small stomach pouch. Finally, the top portion of the divided small intestine is connected to the small intestine further down so that stomach acids and digestive enzymes from the bypassed stomach and first portion of the small intestine eventually mix with food. 

The newly-created stomach pouch is much smaller, which means that it is possible to eat smaller meals and consume few calories. Because the smaller stomach absorbs less food and there is also a segment of small intestine that no longer has food going through it, fewer calories and nutrients may be absorbed. The rerouting of the food system produces changes in the hormones that make you feel fuller and less hungry. Many people who undergo this procedure who have obesity-induced type 2 diabetes find that the condition is reversed after surgery.


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