Bariatric surgery may prevent heart failure

Bariatric surgery may prevent heart failure

Major finding: The incidence rate of heart failure during a median 15 years of prospective follow-up after bariatric surgery was 3.1 cases per 1,000 person-years, compared with 5.2/1,000 person-years in obese controls.

Data source: The Swedish Obese Subjects study included 2,010 obese subjects who underwent bariatric surgery in 1987-2001 and 2,037 closely matched obese controls. It is a nonrandomized, prospective, observational study.