title: Invited commentary.
authors.affiliation: Nemours Cardiac Center, Wilmington, DE, USA. rdavies@nemours.org
authors.forename: Ryan R
authors.initials: RR
authors.lastname: Davies
mesh_terms: D001013:Aorta, Thoracic / Q000503:physiopathology*; D017545:Aortic Aneurysm, Thoracic / Q000503:physiopathology*; D001021:Aortic Valve / Q000002:abnormalities*; D005260:Female; D006349:Heart Valve Diseases / Q000151:congenital*; D006801:Humans; D008297:Male; D014655:Vascular Resistance