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Extended survival of a porcine mitral bioprosthesis for 23 years: Report of a case

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Abstract

Limited durability is the major drawback of bioprosthetic valves, few of which survive for as long as 20 years. We report herein the case of a patient we recently encountered in whom a bioprothesis lasted for 23 years. To our knowledge, this is only the second case of such long survival. The patient was a 56-year-old man who was urgently admitted to our hospital with acute mitral regurgitation, 23 years after undergoing mitral valve replacement with a porcine bioprosthesis. Acute leaflet tears were found to be the cause of the mitral incompetence and the xenograft was successfully replaced with a mechanical valve. We believe that when reoperation is thought to carry a low risk, prophylactic surgery might be justified, even in patients without symptoms.

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Authors and Affiliations

  1. Department of Thoracic and Cardiovascular Surgery, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, 060, Sapporo, Japan

    Toshio Baba, Kiyofumi Morishita, Hiroki Sato, Akihiko Yamauchi, Takuro Obama & Tomio Abe

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  1. Toshio Baba
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  2. Kiyofumi Morishita
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  3. Hiroki Sato
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  4. Akihiko Yamauchi
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  5. Takuro Obama
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  6. Tomio Abe
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Baba, T., Morishita, K., Sato, H. et al. Extended survival of a porcine mitral bioprosthesis for 23 years: Report of a case. Surg Today 29, 573–574 (1999). https://doi.org/10.1007/BF02482358

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  • DOI: https://doi.org/10.1007/BF02482358

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