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Single Anastomosis Duodenal Switch (SADI) is a type of weight loss surgery for people with severe obesity, also known as class 3 obesity. They typically have a BMI of 40 or greater and at least 100 pounds of excess weight.
Severe obesity comes with many health risks, including a shorter life expectancy and serious health conditions like diabetes, high blood pressure, obstructive sleep apnea and other life-changing conditions. For people with severe obesity, the laparoscopic SADI procedure may be the best surgical weight loss option. It results in longer-lasting weight loss and less regain than other types of bariatric surgery.
The SADI procedure combines sleeve gastrectomy with intestinal bypass to promote greater weight loss. It’s performed by:
After the SADI procedure, you’ll need to follow certain nutritional guidelines. Your bariatric team will provide specific instructions on how much protein and fluid you need. You’ll also need to take vitamins and supplements to prevent malnutrition.
Lifelong follow-up care is required after SADI surgery.
You can expect to lose 80% or more of your excess weight after having SADI surgery. Other benefits of the procedure include:
As with any surgery, SADI has risks you should know about. Complications may include:
SADI is sometimes performed for people who’ve had sleeve gastrectomy but didn’t lose the expected weight or have regained weight. It adds an intestinal bypass and may involve reshaping the gastric sleeve if needed. SADI after sleeve gastrectomy offers the same promising weight loss results and remission of obesity-related conditions.
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