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Single Anastomosis Duodeno-Ileal Bypass with Sleeve Gastrectomy (SADI)

This a bariatric (weight loss) surgery designed to help patients lose a significant amount of weight, especially when other treatments have not been successful. It’s a relatively new procedure and is considered a modification of the traditional duodenal switch surgery but with a single connection (anastomosis) instead of two, which simplifies the surgery and reduces potential risks.

Procedure

• - Sleeve Gastrectomy: First, part of the stomach is removed, reducing its size by about 70-80%. This restricts the amount of food intake and decreases the hormone ghrelin, which can help reduce hunger.
• - Duodeno-Ileal Bypass: The small intestine is rerouted, so food bypasses a large section, which limits calorie absorption and can significantly aid in weight loss.

How It Works

By reducing both the stomach size and the length of the intestine used for digestion, SADI promotes weight loss through two mechanisms:

• - Restriction: Limiting the stomach size means patients feel full after eating small amounts.
• - Malabsorption: Since food bypasses part of the small intestine, fewer calories and nutrients are absorbed.

Benefits

SADI can lead to significant weight loss and improvement in obesity-related conditions such as type 2 diabetes, high blood pressure, and sleep apnea. Many patients experience a substantial boost in quality of life and health.

Risks & Considerations

Like any major surgery, SADI has potential risks, including complications like nutritional deficiencies due to malabsorption. Patients need lifelong dietary changes and often require supplements to ensure they receive essential vitamins and minerals. Regular follow-up with healthcare providers is crucial for managing these risks.

Suitability

SADI is generally recommended for individuals with a high BMI (typically 40+ or 35+ with obesity-related conditions). It’s important for patients to have a thorough discussion with a bariatric surgeon to determine if SADI is the best fit for their needs and health profile.