Bariatric and Metabolic Surgery

CT, MRI, Ultrasound scan

Weight loss surgery, also called bariatric or metabolic surgery, is sometimes used as a treatment for people who are very obese.

It can lead to significant weight loss and help improve many obesity-related conditions, such as type 2 diabetes or high blood pressure.

But it's a major operation and in most cases should only be considered after trying to lose weight through a healthy diet and exercise.

Weight loss surgery is available  if:

  • you have a body mass index (BMI) of 40 or more, or a BMI between 35 and 40 and an obesity-related condition that might improve if you lost weight (such as type 2 diabetes or high blood pressure)

  • you've tried all other weight loss methods, such as dieting and exercise, but have struggled to lose weight or keep it off

  • you agree to long-term follow-up after surgery – such as making healthy lifestyle changes and attending regular check-ups

Speak to a GP if you think weight loss surgery may be an option for you.

There are several types of weight loss surgery.

The most common types are:

  • gastric band – a band is placed around your stomach, so you do not need to eat as much to feel full

  • gastric bypass – the top part of your stomach is joined to the small intestine, so you feel fuller sooner and do not absorb as many calories from food

  • sleeve gastrectomy – some of your stomach is removed, so you cannot eat as much as you could before and you'll feel full sooner

All these operations can lead to significant weight loss within a few years, but each has advantages and disadvantages.

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