Aspire porcine bioprosthesis: ten years' experience.

Background And Aim Of The Study: Clinical results of this multicenter study of the Aspire porcine valve were reported previously at eight years; the present report provides an update of valve performance to 10 years postoperatively.

Methods: A total of 749 patients (60% males; mean age 73+/-7 years) underwent implantation with the Aspire (Tissuemed) porcine bioprosthesis between 1991 and 2002, at three institutions. Follow up was complete for 98% of the cohort.