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European Heart Journal 1986 7(9):808-816;
Copyright © 1986 by the European Society of Cardiology.
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© 1986 The European Society of Cardiology

Long-term follow-up in 262 patients after aortic valve replacement with the Lillehei–Kaster prosthesis. Overall results and prosthesis-related complications

K. H. OLESEN*,, I. H. RYGG{dagger}, A. WENNEVOLD* and J. NYBOE{ddagger}

*Department of Medicine B
{dagger}Department of Cardio vascular Surgery R
{ddagger}Statistical Department, Rigshospitalet,University of Copenhagen Medical School Blegdamsvej 9, 2100 Copenhagen, Denmark

Received 29 January 1986; .

Address for correspondence: K. H. Olesen, Department of Medicine B, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark.

Abstract

A follow-up was carried out in 262 patients after aortic valve replacement with the Lillehei–Kaster prosthesis. One hundred and ninety-one males and seventy-one females with a mean age of 53 years provided a total of 1385 observation years. The operative mortality was 7.3%. The long-term survival rates the total series amounted to 74% after 61% after 9 years.

The great majority of survivors showed a marked improvement in functional capacity and a significant decrease in heart volume. Angina pectoris disappeared in 76 out of 79 patients, and exertional syncope vanished in 61 out of 62 patients. All patients received long-term anticoagulant treatment.

The percentage of patients free from thromboembolic events amounted to 90±2% after 9 years, and the percentage free from valve related morbidity and mortality was 82±3% after 9 years. Only one instance of valve thrombosis was seen, and fracture of the prosthesis was never encountered. These results compare very favourably with those obtained with the Starr–Edwards or the Björk-Shiley prostheses.

Key Words: Aortic valve replacement • Lillehei–Kaster prosthesis • prosthetic complicantions • natural history


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