Risks and benefits of bariatric surgery: current evidence

Cleve Clin J Med. 2006 Nov;73(11):993-1007. doi: 10.3949/ccjm.73.11.993.


Patients typically lose more than 50% of their excess weight after bariatric surgery. Obesity-related diseases markedly improve, reducing cardiovascular risk and improving life expectancy. Obese patients lose more weight with bariatric surgery than with medical weight-loss treatment.

Publication types

  • Review

MeSH terms

  • Bariatric Surgery* / adverse effects
  • Bariatric Surgery* / economics
  • Bariatric Surgery* / methods
  • Bariatric Surgery* / mortality
  • Cost-Benefit Analysis
  • Decision Making*
  • Humans
  • Obesity, Morbid / surgery*
  • Patient Selection
  • Postoperative Complications
  • Risk Assessment
  • Safety
  • Weight Loss