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The Annals of Thoracic Surgery, Vol 29, 519-521, Copyright © 1980 by The Society of Thoracic Surgeons
J Wada, M Yokoyama, A Hashimoto, Y Imai, N Kitamura, A Takao and K Momma
Forty-nine artificial cardiac valves implanted in 44 patients less than 15
years old were reviewed. Out of 49 valves, 16 were mechanical and 33 were
xenografts. Average follow-up was 2 years 5 months. Marked valvular
stenosis developed in 11 out of the 33 xenografts, an incidence of 15% per
patient-year. In patients with a xenograft valve, the incidence of sepsis
was found to be 4% per patient-year and brain accidents, 4% per
patient-year. In patients with mechanical valves, the incidence of stenosis
was only 2% per patient-year and brain accidents, 2% per patient-year.
There was no sepsis. From these follow-up results, mechanical valves seem
to be superior to xenografts when used in patients less than 15 years old.
ARTICLES
Long-term follow-up of artificial valves in patients under 15 years old
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