doctors crossing arms

What is a Gastric Sleeve?

gastric sleeve diagram showing full stomach and then stomach post-op which is reduced by 80%

A gastric sleeve, also known as a vertical sleeve gastrectomy, can be performed laparoscopically, and holds the aim of significantly reducing the amount of food that a patient can hold in the stomach at any one time. With the aim of reducing weight and the risk of obesity-related comorbidities, the gastric sleeve has been available as a stand-alone bariatric surgery since 2003.

A doctor may recommend a gastric sleeve if you have a BMI of over 35 and have tried to lose weight using ‘traditional’ methods in the past. If you have existing comorbidities / weight-related complications, this may also improve chances of recommendation.

Gastric Sleeve vs Gastric Bypass

A gastric sleeve differs significantly from a gastric bypass. Originally, the gastric sleeve was introduced as a way to prepare the patient for gastric bypass surgery, but was later introduced as a stand-alone procedure after fantastic results were measured. The gastric sleeve can be thought as the removal of up to 80% of the stomach, whilst the gastric bypass more closely resembles ‘plumbing’ in the fact that no part of the stomach needs to be removed in order for it to be successful.

Our surgeries take place at our Manchester, Derby, and Watford facilities. Our team of specialist bariatric surgeons include Mr Sultan, Mr Madhok, and Mr Jambulingam.


There are alternatives to bariatric surgery, such as the gastric balloon. Unlike surgery, gastric balloons are temporary and non-surgical in nature. Gastric balloons can be placed for up to 12 months with the Orbera 365.

Orbera Gastric Balloon

Enquire Today

Get in touch with the team at Allure Weightloss today in order to discuss the gastric sleeve procedure in a little more depth and book in with one of our consultants. Call 0345 512 0094 now or email info@allureweightloss.com for more information.

Allure Weightloss is a CQC registered provider of gastric balloons and bariatric surgery in the UK

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