Role of Device Retrieval and Analysis in the Evaluation of Substitute Heart Valves

  • Frederick J. Schoen


Surgical replacement of diseased valves with functional substitutes is the dominant therapeutic modality in patients with symptomatic valvular heart disease, and improves the survival and enhances the quality of life of many individuals. 1 Nevertheless, problems associated with prostheses remain a major impediment to the long-term success of this procedure. Despite considerable improvement in the technology of heart valve replacement devices since their first successful use approx 35 yr ago, both mechanical and tissue heart valve substitutes (see Fig. 1) remain imperfect, and prosthesis-associated complications have considerable impact on the long-term outlook for persons who have had valve replacement surgery.


Valve Replacement Heart Valve Abrasive Wear Prosthetic Heart Valve Pyrolytic Carbon 


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© Springer Science+Business Media New York 1998

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  • Frederick J. Schoen

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