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A worn Björk-Shiley prosthetic valve without valve dysfunction observed during ascending aortic replacement
Misao Komi1, Akira Sugaya1, Hirohiko Akutsu1
1Division of Cardiovascular Surgery, Jichi Medical University Shimotsuke, Tochigi, Japan.
Clinical Case Reports
|January 24, 2015
Summary
A first-generation Björk-Shiley valve functioned well for 39 years before disc erosion was discovered during aortic surgery. The valve was replaced, as it was no longer life-sustaining.
Area of Science:
- Cardiovascular Surgery
- Biomaterials Science
- Medical Device Engineering
Background:
- The Björk-Shiley mechanical heart valve was a widely used prosthetic device.
- Long-term durability of implanted cardiac valves is a critical concern in cardiovascular surgery.
Observation:
- A first-generation Björk-Shiley valve, implanted 39 years prior, was noted to be functioning adequately before aortic surgery.
- Intraoperative examination revealed significant disc erosion of the Björk-Shiley valve.
Findings:
- Disc erosion in a first-generation Björk-Shiley valve after 39 years of function.
- The eroded valve was deemed incapable of sustaining the patient's life, necessitating replacement.
Implications:
- This case highlights the potential for late-stage mechanical failure in older prosthetic heart valves.
- Understanding long-term device performance is crucial for managing patients with implanted cardiac devices.
- Highlights the importance of device surveillance and timely intervention in cardiovascular medicine.
Keywords:
Acute aortic dissectionBjörk–Shiley valveaortic root replacementstructural mechanical valve dysfunctionMore Related Videos
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