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The Annals of Thoracic Surgery, Vol 46, 536-541, Copyright © 1988 by The Society of Thoracic Surgeons

ARTICLES

The Ionescu-Shiley pericardial valve: results in 473 patients

W Daenen, L Noyez, E Lesaffre, Y Goffin and G Stalpaert
Department of Cardiovascular Surgery, University Hospital Gasthuisberg, Leuven, Belgium.

From January 1, 1980, through December 31, 1985, 473 patients underwent valve replacement with an Ionescu-Shiley valve. Overall hospital mortality was 7.8%. Major associated procedures and preoperative New York Heart Association (NYHA) Classes IV and V influenced hospital mortality significantly. The mean follow-up was 2.6 +/- 1.3 years. Late mortality was 5.9%. Overall actuarial survival was 81% at 5 years. A chief cause of reoperation was cusp rupture of a mitral prosthesis in 5 patients (all after aortic and mitral valve replacement). The overall actuarial reoperation-free incidence was 93% at 5 years. Thromboembolic (TB) phenomena occurred at a linear incidence of 1.4 +/- 0.3% per patient-year or an actuarial thromboembolism-free incidence of 92% at 5 years. Univariate and multivariate analyses showed that postoperative NYHA Class, rhythm at follow-up, and anticoagulant therapy significantly influenced the incidence of TE phenomena.

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