Gastric Bypass Benefits

Weight loss with the bypass

Of course, the main benefit people are seeking when they have bypass surgery is to lose weight. There are other significant benefits however, especially where improvements in health are concerned. Those people who are managing health problems associated with their weight can expect significant improvements after bypass.

Typically, we expect gastric bypass patients to lose 60-70% of their excess weight over a 2-year period, and most of this weight is lost in the first year after surgery*. You will see from our case studies that some people lose all their excess weight. To compensate there will be some who lose a little less. For this reason, 60-70% is a reasonable expectation. Weight loss results will differ from person to person and your results, especially in the long term, will depend on how well you are able to adapt your lifestyle and eating habits. For this reason, although the gastric bypass procedure itself is extremely powerful, the support and guidance from our bariatric aftercare team is vital to helping you learn and embed the skills needed to maximise and to maintain your weight loss.

Weight loss example

  • A 5ft 6in person weighing 17st (240lbs / 109kgs) has an ideal weight of about 11st (154lbs / 70kgs)
  • They are carrying excess weight therefore of 86lbs (240lbs actual weight minus 154lbs ideal weight)
  • 70% of 86lbs is around 60lbs
  • So, this person could expect to lose (on average) about 60lbs (27kgs).

Scientific evidence suggests that most gastric bypass patients who comply with the follow-up requirements, including nutritional recommendations, do very well, and see great long-term results*. Moreover, compared with obese individuals who have not had surgery, gastric bypass patients have a much lower risk of premature death and disability.

Health benefits of the bypass

Turning to the health benefits bypass patients can expect, it’s a long list and the improvements are usually very significant. In many cases people see a complete resolution of their symptoms for the problem they are managing.  Here are some of the more common weight related health problems and the benefit people can expect.**

  • About 80% of cases of type II diabetes are cured (in remission)
  • Almost all (>90%) of cases of abnormal blood fats (cholesterol etc) are resolved
  • 85% of cases of hypertension are resolved or improved
  • 95% of cases of sleep apnoea are resolved or improved
  • Mobility improves dramatically and joint pain decreases
  • There are improvements in mood and self-esteem, and overall quality of life
  • Perhaps he biggest benefit of all is that people live longer after bypass surgery!

As specialists in weight loss surgery we are familiar with all the health issues associated with obesity. It is also our duty to inform all our patients of the risks and potential complications of gastric bypass surgery, you can view these here. If you have specific health question, please do contact our team and we’ll be pleased to discuss them with you.

*JAMA. 2012 Jan 4;307(1):56-65. doi: 10.1001/jama.2011.1914. Bariatric surgery and long-term cardiovascular events

**Buchwald H et al. Bariatric surgery: a systematic review and meta-analysis. JAMA. 2004 Oct 13;292(14):1724-37.

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