title: Invited commentary.
authors.affiliation: Division of Cardiothoracic Surgery, University of North Carolina at Chapel Hill, 3040 Burnett-Womack Bldg, CB# 7065, Chapel Hill, NC 27599-7065. Electronic address: sheridan@med.unc.edu.
authors.forename: Brett C
authors.initials: BC
authors.lastname: Sheridan
mesh_terms: D001024:Aortic Valve Stenosis / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D065467:Transcatheter Aortic Valve Replacement / Q000379:methods*