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  • Title: Influence of design and fixation pressure on fibrous sheathing in right-sided porcine aortic bioprostheses.
    Author: Ozaki S, Herijgers P, Verbeken E, Meuris B, Ypermann J, Flameng W.
    Journal: Semin Thorac Cardiovasc Surg; 2001 Oct; 13(4 Suppl 1):1-6. PubMed ID: 11805941.
    Abstract:
    Valve dysfunction in right side implanted bioprostheses can be caused by fibrous sheathing and cusp retraction. A scoring system was employed to grade the macroscopic appearance of the cusp retraction. Stentless porcine aortic valves exhibit less cusp retraction when implanted in right-sided position than stented porcine aortic valves.
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