According to a new study published in JAMA Surgery, bariatric surgery patients who chose sleeve gastrectomy had a lower mortality risk, compared to those who underwent Roux-en-Y gastric bypass.

A retrospective cohort study of around 100,000 Medicare patients with severe obesity revealed that patients who underwent laparoscopic sleeve gastrectomy had a lower cumulative incidence of mortality over a 5-year period (4.27%), in comparison with patients undergoing gastric bypass (5.67%). There was a 32% lower adjusted risk for death at postoperative year 1, a 22% lower adjusted risk at postoperative year 3, and a 16% lower risk at postoperative year 5. The absolute difference in 5-year mortality of 1.4 percentage points amounts to a relative difference of 32.8% in mortality between the two surgical procedures, noted researchers… (Medpage Today)