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Biliopancreatic diversion




Biliopancreatic diversion

Weight loss surgery is divided into three techniques. Malabsorption is a technique which will divert the passage of food through the digestive system so that it takes the shortest possible time. The patient can continue to eat normally but the digestive process is dramatically reduced which results in food having less time in the digestive tract and there being less time for the body to absorb calories from the food.
Restrictive surgery reduces the amount of food that the patient can eat which means that the calorie intake is dramatically reduced resulting in weight loss. The last technique is to combine malabsorption methods and restrictive methods. One example of the malabsorption technique is a Biliopancreatic Diversion.

A Biliopancreatic diversion involves removing part of the stomach which will limit the amount of food that the patient can eat. The difference with this and restrictive surgery is that the size of the part of the stomach which is left is slightly bigger. This allows the patient to eat more than they would be with a restrictive procedure. Once some of the stomach has been removed, the remaining part is then connected to the end of the small intestines. This results in food leaving the stomach and bypassing the majority of the small intestines. It is then mixed with the digestive juices in the final part of the small intestines.

Biliopancreatic diversion surgery has proved to have outstanding results in weight loss for patients not to mention the results in weight maintenance. However, the fact that the food is bypassing almost the entire small intestines means that there can be serious malnutrition problems. As a result of this, Biliopancreatic diversions are not normally used today and have been replaced with Biliopancreatic diversions with duodenal switch. This procedure differs from its predecessor in that it works by leaving part of the duodenum in the digestive tract resulting in fewer malnutrition problems. This reduces the malabsorption effect of the procedure so this has been countered by cutting the stomach vertically in two thus reducing the size of the stomach which is left.

A Biliopancreatic diversion is a very complex form of weight loss surgery and is really only used if all else has failed with a patient. It is more often than not only used if a patient is facing life threatening problems by not losing weight. This form of surgery will allow for large amounts of weight loss without the patient having to completely reduce the amount of food which is eaten. The stomach can still cope with regular meals plus the way that the food is digested is changed so that the patient will not have to do any strenuous activities immediately in order to lose weight. It is envisaged however, that the patient will be able to incorporate exercise into their daily routines once they have begun to lose weight.


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