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Study Associates Weight Loss Surgery With Reduction In Cardiovascular Events And Deaths

January 3, 2012: 12:00 AM EST
A Swedish study of about 4,000 obese people – half of whom had had bariatric (weight loss) surgery – found that the surgery was associated with a reduced long-term incidence of cardiovascular deaths and events such as heart attack and stroke. After adjustment for several  variables, bariatric surgery was associated with fewer fatal cardiovascular events and a lower incidence of total cardiovascular events. The surgery was also associated both with fewer fatal stroke events and total stroke events. However, the researchers found no significant relationship between weight change and cardiovascular events in either group, perhaps because of “inadequate statistical power to detect this relationship.” Surgery patients underwent gastric bypass (13.2 percent), banding (18.7 percent), or vertical banded gastroplasty (68.1 percent).
L. Sjostrom et al., "Bariatric Surgery and Long-term Cardiovascular Events", The Journal of the American Medical Association, January 03, 2012, © American Medical Association
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