Do patients with severe aortic stenosis and progressive left ventricular ejection fraction decline 50 to 59% remain asymptomatic? - Etiwy M; Berman AN; Picard MH; Fraccaro C; Karam N; Wasfy MM; Taub C; Hsu J; Januzzi JL Jr; Wasfy JH (The Journal of thoracic and cardiovascular surgery, 2026)