Sleeve gastrectomy removes about 75 to 80 percent of the stomach by keyhole surgery, leaving a narrow sleeve. It reduces how much you can eat and lowers hunger hormones, leading to significant, lasting weight loss. Typical hospital stay: 2 to 3 days Time to plan in India: 7 to 10 days Who needs it?* BMI of 35 to 40 or more, or lower with obesity-related conditions as per guidelines * Type 2 diabetes, sleep apnoea or high blood pressure linked to weight * Previous weight-loss

Revision bariatric surgery corrects or converts a previous weight-loss operation that has led to weight regain, severe reflux or other complications. Typical hospital stay: 3 to 5 days Time to plan in India: 10 to 14 days Who needs it?* Weight regain after previous surgery * Severe reflux after sleeve gastrectomy * Complications from banding or other procedures How it's done1. Review of previous surgery and tests 2. General anaesthesia 3. Conversion, for example sleeve to byp