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The Annals of Thoracic Surgery, Vol 37, 150-153, Copyright © 1984 by The Society of Thoracic Surgeons
JM Revuelta, F Val and CM Duran
A composite bovine pericardial monocusp patch was implanted in the right
ventricular outflow tract of 30 dogs. The monocusp patch incorporates a
molded sinus of Valsalva designed according to a computer-analyzed study of
the normal anatomy. Twenty-two dogs survived the operation and were killed
between 1 and 34 months postoperatively (mean, 19.5 +/- 3.5 months). Two
implants showed signs of infective endocarditis 2 and 2.5 months,
respectively, after operation; 1 was thrombosed at 7 months, and 1 was
calcified 8 months postoperatively. In the remaining 18 animals, there was
no stenosis, thrombosis, or degeneration of tissue in the monocusp.
Macroscopic and microscopic studies of these grafts showed normal structure
and pliability of the monocusp valve up to 34 months after operation.
ARTICLES
Reconstruction of right ventricular outflow and pulmonary artery with a composite pericardial monocusp patch: an experimental study
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