Biliary pancreatic diversion with Duodenal Switch is usually a weight loss procedure recommended to extremely obese patients who have not had success losing weight through dieting, exercise, medication, and other lifestyle changes, or to the patients who are suffering with the worst of diabetes. The surgery involves creating a small stomach pouch and rerouting the intestines. Read more about the procedure here .

Revision bariatric surgery is a procedure performed on individuals who have already undergone another form of weight-loss surgery that has lead to complications or has not resulted in significant weight loss. A revisional bariatric surgery is generally laparoscopic or robotically, unless there is extensive scarring from the previous surgery. Read more about the procedure here .

Obesity is often associated with metabolic problems such as diabetes, or high cholesterol. After bariatric or metabolic surgery, these parameters improve dramatically, often within hours or days of surgery. Overall, sleeve gastrectomy results in a remission of diabetes in 65% of individuals, gastric bypass in 75%, and duodenal switch in greater than 90%. These improvements can be noted before significant weight loss happens. For these reasons, the term metabolic surgery is often applied to these operations.

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