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Laparoscopic Sleeve Gastrectomy (Vertical Sleeve Gastrectomy

What are the risks of Sleeve Gastrectomy?

As with any type of surgical procedure there are operative and long term complications associated with the Sleeve Gastrectomy

Operative Complications include:



Clots in the Lung (Pulmonary Emboli)

Clots in the Leg (Deep Vein Thrombosis)

Complications due to the anaesthesia

Leak from the staple line

Injury to surrounding organs

Long term complications include:

Port site hernias

Pouch Dilation



Be reassured that in the hands of an experienced surgeon the risks associated with the Sleeve Gastrectomy are small.  In addition patients should be aware of the potential issues of excess skin following surgery. Our female patients are advised to avoid pregnancy for 18 months to avoid serious complications to pregnancy.

Always remember that the Sleeve Gastrectomy  is a tool to help you lose weight, it is not a cure for obesity.

Weight regain is possible if long term changes to diet and lifestyle are not undertaken.

Is the Sleeve Gastrectomy a reversible procedure?

No. The Sleeve Gastrectomy is a permanent procedure

How long will I have to stay in the Hospital?

It is normal to stay in the hospital for 2-3 nights following your surgery

Will I need time off work?

Yes. The length of time you will require off work will depend on your profession.  As a guide it is normal to take between 2-4 weeks off.

Sleeve Gastrectomy

This is one of the most popular weight loss operations currently done in the world. This involves removal of ¾ of the stomach using stapling devices. This operation is done by a laparoscopic (Key-hole) technique. Sleeve gastrectomy works by restricting the amount of food ingested and it also reduces hunger inducing hormone (Ghrelin) levels, as a result one would find reduced appetite.

Sleeve gastrectomy also induces positive hormonal changes which helps in altering metabolism. It is a non-reversible operation. One can expect to loose 60-70% excess weight loss over 18-24 months following operation.


Some answers to questions we are often asked…

We’re here to help with any questions you have about any of the procedures we offer.

To find out more about Nu-life Surgery please either:

• Call us on 0845 257 5433

• Send an email to

• Fill out our general enquiry form

• Make a consultation enquiry

• Visit our Frequently Asked Questions area

Want to find out more?

Who will I see before my Surgery?

Your first appointment will be with Mr Irukulla, Upper GI and Bariatric Consultant Surgeon.  You will then see the Bariatric Specialist Nurse, Natasha Smith and the Bariatric Dietitian, Deborah Norman.

Will I have to follow a special Diet?

Yes. You will be required to follow a Pre-op Liver Shrinkage diet for 1-2 weeks prior to your surgery. This is a diet low in fat, sugar and carbohydrates. The diet helps reduce the size and weight of the liver.  

After surgery you will reintroduce food slowly over a 6-8 week period.  The stages consist of a fluid diet for 2 weeks, pureed diet for 2 weeks, soft mashed diet for 2 weeks and then normal healthy food.

Our Dietitian will discuss both the pre and post-surgery diets with you during her consultation