- Sleeve Gastrectomy (Gastric Sleeve): Removes a large portion of the stomach, leaving a banana-shaped sleeve that restricts food intake.
- Gastric Bypass (Roux-en-Y): Creates a small stomach pouch and connects it directly to the small intestine, bypassing part of the stomach and small intestine to reduce both intake and calorie absorption.
- Adjustable Gastric Band: A ring with an inflatable band is placed around the top of the stomach to limit food intake.
- Biliopancreatic Diversion with Duodenal Switch: A complex procedure combining, a smaller stomach pouch with a substantial reduction in nutrient absorption.
- BMI of 40 or higher, or a BMI of 35-39.9 with serious obesity-related comorbidities (e.g., diabetes, sleep apnea).
- Some guidelines suggest a BMI of 27.5-32.5+ for the Asian Indian population with comorbidities.
- Recommended when other weight-loss methods like diet, exercise, or medication have failed.
- Significant Weight Loss: Patients often experience significant and sustained weight loss.
- Health Improvement: High rates of improvement or reversal of type 2 diabetes, high blood pressure, and sleep apnea.
- Enhanced Metabolism: Many procedures alter hormone levels to decrease hunger and increase fullness.
- Requires lifelong dietary changes and nutritional supplements to prevent deficiencies.
- Risks can include bleeding, infection, blood clots, or long-term issues like dumping syndrome or hernia.
- Requires comprehensive pre-operative evaluation and long-term follow-up care.
Most surgeries are performed using minimally invasive techniques, such as laparoscopy (small incisions, camera) or robotics, which offer quicker recovery times