A worn Björk-Shiley prosthetic valve without valve dysfunction observed during ascending aortic replacement. 2014

Misao Komi, and Akira Sugaya, and Hirohiko Akutsu, and Hirotaka Sato, and Yuichiro Kaminishi, and Yoshio Misawa
Division of Cardiovascular Surgery, Jichi Medical University Shimotsuke, Tochigi, Japan.

The implanted first-generation Björk-Shiley valve in our patient was functioning well before aortic surgery, but we replaced the valve because we confirmed disc erosion 39 years after implantation during the surgery. We judged that the implanted valve was no longer capable of maintaining the patient's life.

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