title: Aortic stenosis: two steps forward, one step back.
authors.forename: Blase A
authors.initials: BA
authors.lastname: Carabello
mesh_terms: D001021:Aortic Valve; D001024:Aortic Valve Stenosis / Q000628:therapy*; D006321:Heart / Q000033:anatomy & histology; D019918:Heart Valve Prosthesis Implantation; D006801:Humans; D018579:Patient Selection; D013599:Systole; D016896:Treatment Outcome; D018487:Ventricular Dysfunction, Left / Q000628:therapy