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Bioprosthetic Valve Thrombosis
Sarina Sachdev1, Nikky Bardia1, Landai Nguyen1
1University of South Alabama, Mobile, AL 36617, USA.
Cardiology Research
|January 11, 2019
Summary
Bioprosthetic valve thrombosis (BPVT) is an unrecognized complication of tissue valve replacement, leading to degeneration. Optimal anticoagulation strategies for BPVT remain unclear, posing challenges for patient management.
Area of Science:
- Cardiology
- Cardiovascular Surgery
- Biomedical Engineering
Background:
- Degenerative valve disease necessitates over 100,000 valve operations annually in the US.
- Tissue bioprostheses are preferred to avoid anticoagulation risks, particularly in the elderly.
- Emerging data reveal significant rates of previously unrecognized thrombosis in bioprosthetic valves, including transcatheter aortic valve replacement (TAVR) devices.
Purpose of the Study:
- To review the current understanding of bioprosthetic valve thrombosis (BPVT).
- To discuss the diagnostic challenges and management implications of BPVT.
- To highlight the need for evidence-based recommendations regarding anticoagulation for BPVT.
Main Methods:
- Literature review of studies on bioprosthetic valve thrombosis.
- Analysis of clinical presentations, diagnostic challenges, and treatment outcomes.
- Examination of anticoagulation strategies and their efficacy in preventing BPVT.
Main Results:
- Bioprosthetic valve thrombosis is a significant cause of valve degeneration with often elusive presentations.
- Current literature lacks conclusive evidence-based recommendations for anticoagulation duration after BPVT.
- Transcatheter aortic valve replacement and valve-in-valve procedures present new, understudied challenges regarding thrombosis.
Conclusions:
- Bioprosthetic valve thrombosis is an underrecognized complication requiring further investigation.
- Optimal anticoagulation strategies for BPVT and related procedures need to be established.
- Future research should focus on prevention and management of BPVT in the context of evolving valve technologies.
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