Key result
Warfarin discontinuation linked to large left atrial thrombus within 8 days in bioprosthetic mitral stenosis.
Why the study?
Current guidelines do not recommend anticoagulation beyond 6 months after bioprosthetic valve replacement without a separate indication, prompting a review of indications and comorbidities affecting anticoagulation decisions.
Population
A 55-year-old male with ESRD, CAD, and severe bioprosthetic mitral stenosis
Comparison
Discontinuation of warfarin and replacement with prophylactic anticoagulation
Design
Case report
Follow-up
8 days
Authors
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Case discussion of extended anticoagulation post-bioprosthetic MVR raises questions about current guidelines; leaves open need for prospective trials before practice change.
Case Report (n=1)
No
Discontinuation of warfarin in a patient with severe bioprosthetic mitral stenosis and vascular comorbidities led to rapid left atrial thrombus formation, highlighting the potential need for individualized anticoagulation strategies beyond standard guidelines.
King et al. (2023) conducted a case report in Severe bioprosthetic mitral stenosis (n=1). Warfarin discontinuation was evaluated on Left atrial thrombus formation. A 55-year-old male developed a large left atrial thrombus 8 days after discontinuing warfarin in the setting of rapidly deteriorating bioprosthetic mitral valve stenosis.
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