title: Early calcification of a stentless pericardial bioprosthesis in the elderly.
authors.affiliation: Section of Cardiac Surgery, University of Pisa Medical School, Pisa, Italy.
authors.forename: Maria Grazia
authors.initials: MG
authors.lastname: Croccia
authors.forename: Stefano
authors.initials: S
authors.lastname: Pratali
authors.forename: Cristina
authors.initials: C
authors.lastname: Basso
authors.forename: Giovanni
authors.initials: G
authors.lastname: Scioti
authors.forename: Mila
authors.initials: M
authors.lastname: Della Barbera
authors.forename: Gaetano
authors.initials: G
authors.lastname: Thiene
authors.forename: Uberto
authors.initials: U
authors.lastname: Bortolotti
mesh_terms: D000369:Aged, 80 and over; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging / Q000601:surgery; D001705:Bioprosthesis / Q000009:adverse effects*; D002114:Calcinosis / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D009202:Cardiomyopathies / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D015150:Echocardiography, Doppler; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D019918:Heart Valve Prosthesis Implantation / Q000009:adverse effects* / Q000379:methods; D006801:Humans; D010496:Pericardium / Q000601:surgery; D011475:Prosthesis Failure; D011654:Pulmonary Edema / Q000175:diagnosis / Q000209:etiology; D011859:Radiography; D012086:Reoperation; D018570:Risk Assessment; D012720:Severity of Illness Index; D013997:Time Factors; D016896:Treatment Outcome