In patients with small aortic annuli undergoing transcatheter aortic valve replacement, a self-expanding supra-annular valve was linked to less thrombosis and better hemodynamics at 3 years compared with a balloon-expandable valve, data show. As Healio previously reported, in the main results of the SMART trial, patients assigned to TAVR with a self-expanding valve (Evolut Pro, Evolut Pro+