SADI/SIPS – Single Anastomosis Duodenal Switch

The Modified DS with Single Anastomosis (SIPS/SADI) procedure combines both restrictive and malabsorptive surgical components that allow patients to maximize weight loss quickly and maintain weight loss long term. It involves creating a gastric sleeve followed by a re-routing of the intestines. In the end, the amount of calories the patient’s body absorbs is reduced by limiting the amount of time food mixes with digestive juices and empties into the intestines.

We are proud to be one of the few select centers in the nation to offer this procedure, as it has already produced remarkable data and results.  Some studies have shown the procedure to be effective in curing type 2 Diabetes in 96-99% of cases.

Currently, all of our patients who undergo this procedure are participating in a study for research. Please contact us for more information.

SIPS advantages

  • Often results in a high degree of patient satisfaction because patients are eventually able to eat near “normal” meals compared to a purely restrictive or standard Roux-en-Y gastric bypass procedure.
  • Current studies show superior weight loss results compared to the Gastric Sleeve, and superior or equal results compared to the Gastric Bypass.
  • Since it only involves one small bowel anastomosis, there is less risk of complications than having two anastomoses; these risks include obstruction, ulcer, hernias, and scar tissue formation.
  • It can be used as a primary weight loss operation or as a revisional procedure due to inadequate weight loss or weight regain, after the Gastric Sleeve, Gastric Band or Gastric Bypass.
  • It produces favorable changes in gut hormones to reduce appetite and improve satiety.
  • Because the pyloric valve at the end of the stomach is preserved, Dumping Syndrome is rarely an issue compared to the standard Roux-en-Y Gastric Bypass.

SIPS disadvantages

  • Close lifelong monitoring for protein malnutrition, anemia and bone disease is recommended and lifelong vitamin supplementation is necessary.
  • Long-term data (6-10 years post-operatively) is still lacking, hence is why at the Prisma Health Weight Management Center our patients are participating in a research study.
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