Vertical Sleeve Gastrectomy (VSG)

This procedure uses staples to remove a large portion of the stomach (about 85 percent); the remaining stomach "sleeve" will hold approximately one-quarter cup of liquid. Over time, the stomach can expand to hold one cup of food.  VSG is also known as gastric sleeve surgery, sleeve gastrectomy, vertical sleeve gastrectomy,  laparoscopic sleeve gastrectomy,  or tube gastrectomy.

This procedure was created as a first step of a two-step surgery (second step surgery involves changing direction of food in the small intestine for a malabsorption). Many patients lose the desired amount of weight and do not have the second surgery. Weight loss can be 33 percent to 80 percent of excess body weight at one year after surgery. Since the rest of the stomach has been removed, this procedure is not reversible.

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