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A biliopancreatic diversion is a surgery considered for severely overweight individuals to help them lose weight.
If patients have been unable to lose appropriate amounts of weight with conventional, conservative strategies including dieting, increasing activity levels and exercise this may pose a longer term health risk. Specifically, diabetes, heart and lung disorders are all far more common in severely overweight individuals.
Furthermore, the tube that transfers the partially digested food from the stomach to be passed (small intestine) is cut and made shorter. This allows less time for nutrients to be absorbed. Together, the smaller stomach pouch and the shorter small intestine result in a reduction in calories being taken in by the body and weight loss.
There are also some more specific risks associated with operations aimed at achieving weight loss. These risks are greater with a biliopancreatic diversion than with any of the other procedures due to the complex nature of the surgery. Some risks include:
A biliopancreatic diversion operation is a significant undertaking. Patients will be required to stay in hospital for several days after this operation to monitor your health. In general, patients will need to stick to a liquid diet for two weeks immediately after the operation.
If complications do not arise, a biliopancreatic diversion operation is an extremely effective way of losing weight. Due to the restrictive effect the surgery places on calorific absorption the weight loss begins immediately after surgery. Some studies have indicated that medium to long term weight loss can be as high as seventy-five percent of excess weight.