Single Anastomosis Duodenal Switch with Sleeve Gastrectomy (SADI-S)
The Single Anastomosis Duodenal Switch with Sleeve Gastrectomy is a Minimally Invasive surgical procedure. This operation is performed using a laparoscopic technique. Seven small incisions are made that allow for the placement of a camera and instruments. Roughly 80% of the stomach is permanently removed with this operation. In addition, roughly 65% of the small intestines are bypassed. The operation is the most complex procedure that I offer my patients.
How it works
The Single Anastomosis Duodenal Switch with Sleeve Gastrectomy works by three different mechanisms. First, the Sleeve Gastrectomy limits the amount of food that one can eat. Second, by removing the outer portion of the stomach, the ghrelin hormone is reduced. This hormone is associated with feeling hunger. Thus, not only can the patient not eat as much, but they also generally lose their appetite. Third, less of the nutrients are absorbed due to bypassing the small intestine.
Results
Patients can expect to lose 70 to 80 percent of excess weight in the first year after a duodenal switch operation. Results vary by patient.
Potential Concerns
In addition to standard surgical risks, concerns to be aware of include:
- Increased risk of reflux disease
- Greater risk of nutrition deficiencies if patient is not compliant with recommendations
- Nausea and vomiting
- Leaks from staple line
- Gastric reflux
- Small bowel obstruction
What to Expect After Surgery
A hospital stay after a SADI-S procedure is typically 24 to 48 hours. Many patients return to normal activity within one to two weeks. Heavy lifting is restricted for about four weeks.