Definition for Roux-en-Y gastric bypass procedure

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Roux-en-Y Gastric Bypass (RYGB) combines both restrictive and malabsorptive procedures. This surgery is the most commonly performed restrictive and malabsorptive procedure done today. RYGB works by restricting food intake and by decreasing the absorption of food. Food intake is limited by a small pouch. Malabsorption happens by bypassing part of the intestine. The RYGB is done using a laparoscopic surgery method.