Improved long-term outcome of surgical AVR for AS: Results from a population-based cohort.

Abstract

Mean age was 71 years, 65.1% were males, and mean EuroSCORE II was 3.9. Mean preoperative aortic valve area increased significantly (0.013 cm2 /year; P < .001) and mean aortic cross-clamp time declined (108 minutes, 2.8 min/year; P < .001). The rate of complications decreased, including new-onset atrial fibrillation (60.9% overall, decreased by 3.1%/year, P = .02), acute kidney injury (17.1%, 7.6%/year, P < .001), and reoperation for bleeding (12.5%, 6.3%/year, P = .02). Operative mortality did not change (5.4%); nor did 1- and 5-year overall survival (92.5% and 81.6%, respectively). Notable long-term events were chronic heart failure (27.7 admissions/100 patient-years), embolic event (15.9/100 patient-years), and bleeding (13.0/100 patient-years).