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Gastric bypass, also called Roux-en-Y (roo-en-wy) gastric bypass, is a type of weight-loss surgery that involves creating a small pouch from the stomach and connecting the newly created pouch directly to the small intestine.
Gastric sleeve and gastric bypass are weight loss surgeries that help you eat less by reducing the size of your stomach. They have several key differences in benefits, risks, and recovery.
The gastric bypass, or “Roux-en-Y," is a medical weight loss procedure. It works by modifying your digestive system. Gastric bypass surgery reduces the size of your stomach, and also the length of your small intestine. As a result, you consume and absorb fewer calories.
Gastric bypass surgery is a type of bariatric or weight-loss surgery. Also known as Roux-en-Y gastric bypass, this procedure limits the amount of food you can eat and the number of calories you can absorb. It is one of the most common weight loss procedures in the United States.
In the U.S., the most common weight-loss surgery is sleeve gastrectomy. In this procedure, the surgeon removes a large portion of the stomach to create a tubelike sleeve. Weight-loss surgery is only one part of an overall treatment plan. Your treatment will also include nutrition guidelines, exercise and mental health care.
Gastric bypass surgery refers to a technique in which the stomach is divided into a small upper pouch and a much larger lower "remnant" pouch, where the small intestine is rearranged to connect to both. Surgeons have developed several different ways to reconnect the intestine, thus leading to several different gastric bypass procedures (GBP).
Roux-en-Y (roo-en-wy) gastric bypass. This procedure is the most common method of gastric bypass. This surgery is typically not reversible. It works by decreasing the amount of food you can eat at one sitting and reducing absorption of fat and calories. The surgeon cuts across the top of the stomach, sealing it off from the rest of the stomach.