Though this approach involves two procedures, we believe it is safe and effective for selected patients. In patients who undergo LSG as a first stage procedure, the second stage (gastric bypass) is performed 12 to 18 months later after significant weight loss has occurred and the risk of anesthesia is much lower (and the liver has decreased in size). Reasons for making this decision intraoperatively include an excessively large liver or extensive scar tissue that would make the gastric bypass procedure too long or unsafe. In other patients, the decision to perform sleeve gastrectomy (instead of gastric bypass) is made during the operation. Sometimes the decision to proceed with a two-stage approach is made before surgery due to these known risk factors. Patients who have a very high body mass index (BMI) or who are at risk for undergoing anesthesia or a longer procedure due to heart or lung problems may benefit from this staged approach. This procedure is primarily used as part of a staged approach to surgical weight loss. Who do we offer laparoscopic sleeve gastrectomy? In addition to reducing the size of the stomach, sleeve gastrectomy may reduce the amount of "hunger hormone" produced by the stomach which may contribute to weight loss after this procedure. Sleeve gastrectomy may also cause a decrease in appetite. After eating a small amount of food, you will feel full very quickly and continue to feel full for several hours. It does not cause decreased absorption of nutrients or bypass your intestines. It greatly reduces the size of your stomach and limits the amount of food that can be eaten at one time. Sleeve gastrectomy is a restrictive procedure. How does sleeve gastrectomy cause weight loss? The LSG takes one to two hours to complete. No intestines are removed or bypassed during the sleeve gastrectomy. This involves making five or six small incisions in the abdomen and performing the procedure using a video camera (laparoscope) and long instruments that are placed through these small incisions.ĭuring the laparoscopic sleeve gastrectomy (LSG), about 75% of the stomach is removed leaving a narrow gastric “tube” or “sleeve”. We perform the sleeve gastrectomy as a laparoscopic procedure. Bariatric Surgery: Gastric Sleeve Animation Frequently Asked Questions How is sleeve gastrectomy performed?
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