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Sleeve Gastrectomy

This new procedure shows much promise, especially if you have a higher BMI and are at higher risk of surgery as a result of other co-morbidities (problems caused by being excessively overweight).

The physician removes a portion of the stomach, leaving a pouch or sleeve about the size and shape of a banana. The procedure is relatively simple and doesn't involve rerouting the intestines. Because your stomach still functions normally, there are usually few dietary restrictions other than quantity of food. There is less chance of malnutrition than there is with some other procedures.

There is no long-term weight loss data to compare since this procedure is so new. Initial data shows that patients are losing 33% to 83% or more of their excess weight.


  • Fewer food restrictions
  • Less hunger 
  • Does not involve any bypass of the intestinal tract
  • Suitable form of surgery for high risk patients
  • Less invasive than gastric bypass 
  • No dumping syndrome 
  • Can be performed laparoscopically in patients who are extremely overweight 


  • Does not always produce the desired weight reduction
  • Risk of leakage and of other complications directly related to stapling
  • Potential for inadequate weight loss or weight regain
  • No long term scientific studies
  • Procedure cannot be reversed

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