Biliopancreatic Diversion with Duodenal Switch, or BPD-DS, is a restrictive/malabsorptive surgical procedure. It is restrictive in the sense that it “restricts” how much food the stomach can hold and is “malabsorptive” in that it affects how food and calories are absorbed into the bloodstream. This combination surgery has the highest success rate for amount of weight lost.
BPD-DS surgery, a modification of BPD surgery, combines a sleeve gastrectomy (removal of part of the stomach) with a long intestinal bypass. In the sleeve gastrectomy part of the surgery, the outer margin of the stomach is removed, leaving a banana shaped stomach, ¼ of its original capacity, that remains connected to the duodenum. This creates the restrictive portion of the surgery.
The second part of BPD-DS surgery involves rearranging the small intestine so food does not mix with bile and pancreatic juices until the distal end of the small intestine. This creates the malabsorption part of the surgery.
The surgeon accomplishes this by dividing the first part of the duodenum between the stomach and bile duct and closing off the divided end. The surgeon then divides the small intestine about half way down, connecting the lower portion to the open end of the duodenum. This segment is referred to as the digestive, or roux, limb. The remaining end of the small intestine is reconnected 75-100 cm from the large intestine creating the “common channel” allowing for bile and pancreatic juices to flow and mix with the food at the distal end of the small intestine, instead of in the duodenum, thereby limiting absorption of nutrients and calories.
Advantages of BPD-DS Surgery include:
Disadvantages of Biliopancreatic Diversion Surgery include:
Risks & Complications
Most patients do not have complications after BPD-DS surgery; however complications can occur and depend on the patient’s health status.
Complications can be medical (general) or specific to BPD-DS.
Medical complications include those of the anaesthesia and your general wellbeing. Almost any medical condition can occur so this list is not complete. Complications include:
Specific complications for BPD-DS include:
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