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The Journal of Thoracic and Cardiovascular Surgery, Vol 93, 583-586, Copyright © 1987 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Valve failure caused by cusp tears in low-profile Ionescu-Shiley bovine pericardial bioprosthetic valves

VM Walley, P Bedard, M Brais and WJ Keon

The pathologic findings in two low-profile Ionescu-Shiley bioprostheses that failed because of cusp tears are presented. Both valves were in the mitral position, one in place 28 months and the other 40 months. Observation of the valves and their tears suggests that stress at the cusp alignment stitches may be important in the genesis of the tears.

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