20 August 2008

A gastric bypass is a more extensive procedure than gastric banding. It enables weight loss by two simultaneous methods - restriction and malabsorption - thereby increasing the likelihood of successful weight loss.

For the seriously obese, the benefits of the gastric bypass procedure very much outweigh the risks. In general :
  1. Most people who have gastric bypass surgery quickly begin to lose weight and continue to lose weight for up to 12 months. 75% of patients are expected to lose 75 to 80% of their excess body weight, most of which is lost in the first two years following gastric bypass surgery.
  2. Estimated weight loss in the first 1- 2 years after a Roux-en-Y Gastric Bypass is approximately 1/2 to 2/3rd of excess weight. 50% excess weight loss has been documented 10 years and more after Gastric Bypass.
  3. There are major improvements in risk factors for heart disease and cancer. Around 70-8-% of gastric bypass patients with hypertension will come off medication and cholesterol levels will fall. Most type II diabetics will be cured.
  4. After gastric bypass surgery there will be major improvements in a whole range of weight associated conditions, including sleep apnoea, asthma, joint pain, arthritis, reflux, fatigue, shortness of breath.
  5. Patients report less depression, improved self esteem and confidence and an overall increased sense of well being.


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