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Updated: Jan 31, 2026
07:34
Layer Microdissection of Tricuspid Valve Leaflets for Biaxial Mechanical Characterization and Microstructural Quantification
Published on: February 10, 2022
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Spontaneous leaflet fracture resulting in embolization from mechanical valve prostheses
Gijs G J van Steenbergen1, Queeny H Y Tsang1, Stefan M van der Heide1
1Department of Cardiothoracic Surgery at Radboudumc, Nijmegen, the Netherlands.
Journal of Cardiac Surgery
|January 1, 2019
Summary
Spontaneous leaflet embolization from a mechanical heart valve is rare. This case highlights a potentially life-threatening complication occurring 31 years after aortic valve replacement surgery.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Materials Science
Background:
- Mechanical heart valves are crucial for treating valvular heart disease.
- Spontaneous leaflet fracture is an exceedingly rare but serious complication.
- Long-term durability of prosthetic devices is a key concern in cardiac surgery.
Observation:
- A case of spontaneous leaflet embolization is presented.
- The event occurred 31 years after aortic valve replacement.
- The prosthesis involved was an Edwards-Duromedics mechanical heart valve.
Findings:
- The study documents a rare instance of mechanical heart valve leaflet failure.
- Late-onset leaflet embolization can occur even decades after implantation.
- Review of literature supports the rarity and severity of this complication.
Implications:
- Increased awareness among clinicians is crucial for early diagnosis and management.
- This case underscores the need for vigilance regarding long-term prosthetic valve integrity.
- Further research into material fatigue and failure mechanisms in mechanical heart valves is warranted.
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