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Prosthesis - patient mismatch with latest generation supra-annular prostheses. The beginning of the end?
Rafael García Fuster1, Vanesa Estevez, Ignacio Rodríguez
1University General Hospital of Valencia, Valencia, Spain. rgfuster@terra.com
Abstract:
Most studies about prosthesis-patient mismatch (PPM) were conducted before the introduction of new high-performance prostheses. Nowadays, PPM could become unfrequent. Our aim was to study the impact of new prostheses on PPM in comparison with previous experience. Prosthetic Indexed Effective Orifice Area (EOAi) was estimated in two historical cohorts. Group A: 339 patients undergoing AVR from Mar 94-Nov 01. Group B: 404 operated on during the last three years when latest generation prostheses were implanted. Incidence, determinants of PPM and clinical results were studied. Moderate PPM (EOAi
