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  • Title: Anticoagulation or antiplatelet therapy of bioprosthetic heart valves recipients: an unresolved issue.
    Author: Colli A, Verhoye JP, Leguerrier A, Gherli T.
    Journal: Eur J Cardiothorac Surg; 2007 Apr; 31(4):573-7. PubMed ID: 17317197.
    Abstract:
    Improvements in the performance and longevity of biological valve prostheses have steadily increased their rates of implantation in recent years. Aortic bioprostheses, which are commonly used in the elderly or when the risks of anticoagulating are high, have generally been associated with low rates of long-term complications. Freedom from anticoagulation, therefore, represents the main theoretical advantage of biological, compared with mechanical, aortic prostheses. While a variety of anticoagulant and antiplatelet drug regimens have been described, a precise antithrombotic protocol for the early postoperative period after bioprosthetic aortic valve replacement has not been developed. There are also important differences between the international guidelines published. This review examines the clinical evidence concerning the use of vitamin K antagonist and antiplatelet therapy in the early management of the antithrombotic complications after bioprosthetic aortic valve replacement.
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