Moderate weight loss before bariatric surgery tied to lower postop mortality

Meanwhile, the risks of bariatric surgery remain low overall, expert commentator says

People who lose even a modest amount of weight prior to bariatric surgery might have a lower risk of dying within 30 days of their surgery, a study suggests.

scales and tape measure signifying weight loss

Researchers analysed data on 480,075 patients who had bariatric surgery between 2015 and 2017 at centres participating in an accreditation and quality improvement program, which covers 90% of bariatric surgery programs in the US and Canada.

Overall, 511 patients (0.1%) died within 30 days.