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Updated: Aug 18, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Reoperation of the Kay-Shiley disc valve 35 years after replacement
Shogo Nakayama1, Michihito Nonaka, Osamu Ishida
1Department of Cardiovascular Surgery, Takamatsu Red Cross Hospital, Kagawa, Japan. nakafami@ma.akari.ne.jp
Abstract:
The Kay-Shiley disc valve (Shiley Inc, Irvine, CA) was manufactured in 1965 and is no longer in clinical use due to its high incidence of thromboembolism. We report a case of tricuspid valve replacement with the Kay-Shiley valve 35 years previously. The valve was replaced successfully with a St. Jude Medical valve (St. Jude Medical, Inc, St. Paul, MN). This is the longest interval from implantation to re-replacement with the Kay-Shiley valve that has been reported in the literature.
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