0203 312 6130

Professor Sanjay Purkayastha


Laparoscopic, General and Bariatric Surgeon

Private Medical Care:

General & gastroenterological surgery
Bariatric / weight loss surgery
Emergency abdominal conditions / surgery

Sleeve Gastrectomy


Unlike a gastric bypass where food enters a small pouch and then passes straight into the small bowel, the route that food takes following a sleeve gastrectomy is the same as it took before surgery.

As the stomach is smaller, it is able to hold less and stretches more quickly to give a feeling of fullness and satisfaction. So patients who have had this procedure want to eat less and therefore lose weight.

What is a sleeve gastrectomy?

This operation involves converting the stomach into a long, thin tube by stapling it along its length and excising (removing) the excess stomach.

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07591 026 702


The Lindo Wing,
St Mary's Hospital, Praed Street,
W2 1NY

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Please note, most insurance policies in the UK do not cover weight-loss surgery. However, we will do our utmost to provide the best package for you should you choose to have your surgery with us.