Association between delayed transcatheter aortic valve replacement beyond 6 months and clinical outcomes in severe aortic stenosis: a retrospective observational study
Abstract Objective Early intervention for asymptomatic severe aortic stenosis (AS) has shown prognostic benefits; however, some patients undergo transcatheter aortic valve replacement (TAVR) after extended observation owing to mild symptoms or comorbidities. Although guidelines recommend surveillance of 6–12 months, th...