The Biliopancreatic Diversion with Duodenal Switch (BPD-DS) procedure reduces the amount of calories absorbed by the body by permanently altering the normal digestive process.

  • Stomach removal is restricted to the outer margin, leaving a sleeve of stomach with the pylorus and the beginning of the duodenum intact.
  • The small intestine is then divided with one end attached to the stomach pouch to create what is called an alimentary limb.
  • All the food moves through this segment, however, not much is absorbed. The bile and pancreatic juices move through the biliopancreatic limb. This separates digestive juices until they join at the common channel.
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