Sleeve gastrectomy

The basics

  • Most of the stomach is removed
  • A long tube-like stomach is left that is about the size of a banana
  • The intestines are left in original state and not rearranged.

How it works

  • Restricts how much you can eat at one time
  • Makes you feel full with less food.
  • Less grehlin (the hormone that causes hunger) is produced


  • Average weight loss is 50–55% of excess body weight.
  • Less likely than gastric bypass to have ulcers or develop a bowel blockage.


Risks include, but not limited to:

  • Heartburn
  • Scarring
  • Long-term weight loss is unknown
  • Death

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