About 50 surgeons in the world do the Duodenal Switch process. This procedure facilitates weight loss by limiting the amount of food that can be eaten and by restricting the volume of food that is absorbed into the body.
The duodenal switch is causing a lot of flack in the medical community because of the malabsorption factor that which seems to supplements and helps to sustain long-term weight loss. This procedure appears to be the most dominant and successful weight loss treatment for obesity that is on the market today. There are numerous complications associated with the duodenal switch surgery, which cause some insurance companies to deny the procedure, categorizing it as investigational. And a lot of surgeons are leery of it because of the long term concerns associated with malabsorption.
Malabsorption occurs in the Duodenal Switch procedure when the intestines are divided and rearranged to separate food from the digestive juices. The food appendage is connected to the duodenum and gets food from the stomach. This appendage is 150 cm long. The digestive juices are now alienated from the food and progress for over 500 cm into the bypassed small intestine. Both food and digestive juices join together, continuing on for 100 cm into the common appendage. Food and digestive juices are divided for the majority of the length of the intestines. This stops you from absorbing all of the calories that you eat.
The Procedure
The stomach is limited by separating it perpendicularly and taking away over 85% of it making this part of the procedure irreversible. The part of the stomach that is left in place is shaped like a banana and measures from 4-7 ounces. The nerves to the stomach and the pylorus are left in place that allows the stomach to function probably while decreasing the volume. Compared to the Roux-en-Y gastric bypass where the stomach is divided, not removed, and the pylorus is expelled. And the Roux-en-Y gastric bypass procedure can also be reversed.
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