What is Duodenal Switch?
The duodenal switch is a type of combined malabsorptive and restrictive weight loss surgery. The duodenal switch is known by multiple names, including DS and biliopancreatic diversion with duodenal switch. This surgery decreases both the quantity of food that can be accommodated by the stomach and the number of calories that can be absorbed and used by the body.
The duodenal switch combines the creation of a moderately sized stomach pouch with bypassing part of the small intestine. This allows the patient to lose weight without significantly altering their eating habits. The stomach is able to hold approximately five to six ounces of food, while other common procedures typically leave it able to hold one half to one full ounce.
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Candidates for Duodenal Switch -
Malabsorptive - The portions of the small intestine are re-routed in the malabsorptive component of the duodenal switch method. This re-routing is done for creating 2 separate pathways through the duodenum into the lower part of the small intestine. The aim of this method is to decrease the quantity of calories that a body can absorb. This is done by restricting the food and seeing how long it can mix with digestive juices before moving into the large intestine.
Restrictive - During the initial part of the duodenal surgery, there is a removal of the outer curvature of the stomach. The rest remaining part of the stomach is shaped into a slim and long sleeve called as vertical sleeve gastrectomy. The vertical sleeve gastrectomy maintains the pyloric valve in its place that is not possible in other gastrectomies. This is done for controlling the movement of the food into the small intestine that removes the risk of dumping syndrome in a patient. This procedure also keeps away other complications of stoma closure and blockages.
Benefits of Duodenal Switch
Duodenal switch surgery has excellent results, with the average patient losing 70 to 80% of his excess weight in the two years that follow the procedure. However, patients who choose this type of surgery are at much higher risk for nutritional deficiencies than with other types of weight loss surgery. Nutritional supplements, including vitamins and minerals, will be necessary for the lifetime of the patient.
Some of its benefits include –
Laparoscopic Sleeve Gastrectomy with Duodenal Switch
The laparoscopic sleeve gastrectomy with duodenal switch combines two bariatric surgeries.First, 75-85% of the stomach is removed reducing the size of the stomach and the amount of the appetite hormone, ghrelin that is produced. The new pouch, referred to as the "sleeve", can hold between 3-5 ounces.This restricts the amount of food that can be eaten at any one time and reduces hunger.Next, the small bowel is rearranged, bypassing a significant portion of the small bowel, which results in malabsorption.This is referred to as the "duodenal switch" portion of the surgery.
The laparoscopic sleeve gastrectomy with duodenal switch results in a dramatic weight loss of 80-85% of excess body weight. This surgery is especially good for people who have a great deal of weight to lose or have significant comorbid conditions requiring quicker resolution.
Benefits of Sleeve Gastrectomy with Duodenal Switch surgery?
Most individuals experience additional health benefits from gastric sleeve surgery. In 95% of patients the quality of life improved and obesity-related health conditions (called "comorbidities") were resolved or improved. In addition mobility and energy are usually greatly improved.
Bariatric surgery has also been shown to resolve or improve obesity-related health conditions (comorbidities), including:
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