Hemodynamic Response in Low-Flow Low-Gradient Aortic Stenosis With Preserved Ejection Fraction After TAVR

Low-flow, low-gradient (LFLG) severe aortic stenosis (AS) with preserved ejection fraction (EF) comprises 10% to 20% of patients with severe AS and is associated with poor prognosis [(1,2)][1]. The optimal treatment for patients with this syndrome is debated, and some have suggested that patients