Laparoscopic sleeve gastrectomy

Laparoscopic sleeve gastrectomy2022-03-03T13:44:25+11:00
The procedure

The sleeve gastrectomy was initially used as the first in a two-stage weight loss procedure for the super morbidly obese. However it has gained popularity as a stand alone operation and is now the most commonly performed weight loss procedure in Australia.

It involves removing approximately two-thirds of the stomach. This is done via a laparoscopic (key-hole) technique. A plastic tube, known as a Bougie, is placed down the gullet and into the stomach to calibrate the amount of stomach remaining. Once in place, a surgical stapling device is used to create the new stomach tube. The excess stomach is then removed from the abdomen.

Laparoscopic sleeve gastrectomy
Quick info
  • Operating time of approx. 45 to 75 mins
  • Average hospital stay of 2 days
  • Average time off work from 2 to 4 weeks
  • Procedure is not reversible
  • Weight loss surgery financing plans available
How it works

It would seem that removing a large proportion of the stomach, and in turn reducing oral intake, would be the main reason for weight loss in the sleeve gastrectomy. However there are more complex mechanisms related to gut hormones and signalling that comes from removing that specific portion of stomach. This leads to changes in glucose (or sugar) metabolism, satiety (fullness) and hunger.


  • With proper aftercare, can have long lasting weight reduction
  • Technically easier procedure
  • Less malabsorptive issues than with a bypass
  • Less micronutrient deficiencies than with a bypass


  • Can increase reflux, if present. This will be something that your surgeon will discuss with you
  • Risk of a leak from the staple line

BMI is not relevant if you are under 18 years or pregnant.

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If you do not meet the BMI or weight criteria, you still may be considered for surgery if your BMI is over 30 and you are suffering serious health problems related to obesity.

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If you choose we can share information about your health, medical history and lifestyle with our team who will determine whether you are a candidate for weightloss surgery.


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