Prosthesis-patient mismatch after aortic valve replacement: impact of age and body size on late survival.


BACKGROUND The purpose of this study was to identify patient subgroups in which prosthesis-patient mismatch most influenced late survival. METHODS Over a 12-year period, 1,400 consecutive patients underwent bioprosthetic (933 patients) or mechanical (467) aortic valve replacement. Prosthesis-patient mismatch was defined as prosthetic effective orifice… (More)