Sleeve Gastrectomy

This procedure works by several mechanisms. First, the new stomach pouch holds a considerably smaller
volume than the normal stomach and helps to significantly reduce the amount of food (and thus calories) that can be consumed. The greater impact, however, seems to be the effect the surgery has on gut hormones that impact a number of factors including hunger, satiety, and blood sugar control.​ 


  • Restricts the amount of food the stomach can hold
  • Induces rapid and significant weight loss that comparative studies find similar to that of the Roux-en-Y gastric bypass. Weight loss of >50% for 3-5+ year data, and weight loss comparable to that of the bypass with maintenance of >50%
  • Requires no foreign objects (AGB), and no bypass or re-routing of the food stream (RYGB)
  • Involves a relatively short hospital stay of approximately 2 days
  • Causes favorable changes in gut hormones that suppress hunger, reduce appetite and improve satiety

How it works:

  • The stomach is stapled and divided vertically, more than 85% of the stomach pouch is removed.