Gastric Bypass

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Gastric Bypass 2017-03-21T18:59:49+00:00

Gastric Bypass

The Roux-en-Y Gastric Bypass surgery is the oldest weight loss operation in the U.S. It was first performed over 40 years ago and has been modified a number of times. The gastric bypass is both a restrictive (limiting the meal size) and malabsorptive (limiting the absorption of nutrients) operation for weight loss.

How Roux-en-Y Gastric Bypass Works

The restriction of food intake as the result of a bypass is accomplished by dividing the stomach into two parts. One part is very small (the new pouch), and the other part, while much larger, is never exposed to food again. The new stomach, or pouch, holds less than one ounce, which translates into about two or three bites of food.

Once the bypass is surgically complete, the process of digesting one’s food is slightly changed. When a patient swallows food, it passes through the esophagus and the new stomach pouch into a segment of the small intestine called the “Roux limb.”


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“After I had surgery and changed my life style, I am now at 130 pounds. I am the healthiest and happiest I have been in years since Dr. Bellanger performed my gastric bypass. I wanted to lose 80-85 lbs. and I have lost 81.

My surgery was performed at Vista Surgical Hospital in Baton Rouge, their entire staff was extremely nice and understanding.”

Sue, Baton Rouge, LA