Sameh M Said, Elena Ashikhmina, Kevin L Greason, Rakesh M Suri, Soon J Park, Richard C Daly, Harold M Burkhart, Joseph A Dearani, Thoralf M Sundt, Hartzell V Schaff
BACKGROUND: Pericardial bioprostheses have favorable echocardiographic hemodynamics in the aortic position compared with porcine valves; however, there are few data comparing clinical outcomes. Our objective was to assess the late results of the two valve types. METHODS: We reviewed 2,979 patients aged 65 years or older undergoing aortic valve replacement with pericardial (n=1,976) or porcine (n=1,003) prostheses between January 1993 and December 2007. The most common pericardial prostheses were Carpentier-Edwards Perimount and Mitroflow, and the most common porcine valves were Medtronic Mosaic, Carpentier-Edwards, Hancock modified orifice, and St...
June 2012: Annals of Thoracic Surgery