Gastric Sleeve

Surgical Procedure

From £8,995

Request A Free Consultation

Gastric Sleeve

Weight Loss Surgery

From £9,950

Request A Free Consultation



If you feel like you’ve been on a diet and exercise programme for most of your life and been unable to lose weight and keep the weight off, the gastric sleeve may be the option you are looking for.

The Gastric Sleeve also known as the Sleeve Gastrectomy, is a restrictive surgical procedure allowing patients to reduce the amount that can be eaten at mealtimes before feeling satisfied. This is due to the portion of the stomach that is removed being responsible for producing the hormone ghrelin, which results in patients feeling less hungry. This procedure dramatically decreases the size of the stomach only allowing half a cup of food to be eaten at one sitting.

The Gastric Sleeve is also known for the beneficial effects of treating metabolic diseases. Guidelines now suggest that surgery should be offered as a first line treatment if your BMI is over 30kg/m2 and you have recently been diagnosed with Type 2 diabetes. However, these are guidelines and patients are assessed on an individual basis.

Advantage of Sleeve Gastrectomy

Reduces Stomach Volume, Increases Feeling of Fullness

Stomach Portion that Produces Hunger Stimulating Hormone (Ghrelin) is Removed

Less Invasive than Gastric Bypass

No Medical Device Used such as the Gastric Band

Dumping Syndrome is Rare Due to Pyloric Portion of Stomach is Left Intact


The Gastric Sleeve (Sleeve Gastrectomoy) a restrictive (portion control)  surgical procedure. The surgery is usually performed laparoscopically (key hole surgery) under a general anaesthetic.

  • Key hole surgery is small incisions on the torso (under the chest but above the tummy button). The scope and instruments needed to perform the surgery are inserted through the small incision sites.
  • A camera is connected to a video monitor in the operating theatre and allows the surgeon to view inside the abdomen during the operation.
  • The surgeon removes 75% of the left side of the stomach and the remaining portion is joined using surgical staples. This creates a long vertical tube or sleeve about 150-200ml in size.
  • The portion of stomach that produces Ghrelin ( hunger stimulating hormone) is removed
  • This procedure is less invasive than the Gastric Bypass it reduces hunger and controls portion size.

Gastric Sleeve FAQs

Q: What kind of results should I expect?

A: The gastric sleeve has excellent weight loss and obesity related disease improvement potential. While individual results vary, the average weight loss is 60% of excess body weight.

Patients report improvement or elimination of their obesity related health issues.

Q: Are all sleeves performed laparoscopically

A: Most of gastric sleeve procedures are performed as a minimally invasive procedure, via keyhole surgery, However, if patient specific circumstances dictate concern, a surgeon may suggest an open procedure as being safer or more effective option but is a very rare occurrence.

Q: Who is suitable for a gastric sleeve?

A: Patients are assessed for suitability on an individual basis

Usually, patients that are considered for the gastric sleeve procedure are those with a BMI of 40kg/m2 or over, although if your BMI is between 30kg/m2 and 40kg/m2, you may be considered, especially if you have obesity related conditions such as Type 2 diabetes and even more so if you are from and Asian background (source: National Institute for Health and Care Excellent (NICE) guidelines 189,2014)

This procedure is not suitable for patients who suffer from acid reflux (GORD)

Q: Will my stomach stretch back to a normal size?

A: The stomach will not stretch back to its original size. However, patients who continue to overeat following surgery risk increasing their new stomach size and could experience weight regain in the future

Q: How quickly will I lose my excess weight?

A: Following this procedure the majority of weight loss occurs in the first 12-18 months, the average patient will lose up to 3lb (1.5kg) per week initially following surgery.

Six months post-surgery weight loss tends to slow down to 1-2lb (0.5kg 2kg) per week.

Q: What is the recovery time for Gastric Sleeve Surgery?

A: If the Gastric Sleeve surgery is performed laparoscopically (keyhole surgery) it is a 1-2 night stay in hospital. Most patients report they feel comfortable returning to work in about 1-2 weeks.

Q: Are there any restrictions after the surgery like driving or lifting?

A: Following any general anaesthetic procedure no driving for 5 days post procedure as you may not be covered by insurance. No heavy lifting for approximately 10 days post-surgery.