title: Invited commentary.
authors: Hesperia Hospital, via Arquà, 80/A, Modena 41125, Italy. bartolo.zingone@gmail.com
authors: Bartolo
authors: B
authors: Zingone
mesh_terms: D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D001021:Aortic Valve / Q000601:surgery*; D006348:Cardiac Surgical Procedures / Q000009:adverse effects; D006350:Heart Valve Prosthesis; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications / Q000453:epidemiology / Q000209:etiology; D011379:Prognosis; D012307:Risk Factors; D016896:Treatment Outcome