CTICasesBioprosthetic Mitral Valve Endocarditis
Imaging findings
Chest radiograph shows diffuse peribronchial cuffing, Kerley lines, and pleural effusions. CT angiography reveals a stented bioprosthetic mitral valve with soft-tissue density vegetations tracking along the valve stent and leaflets.
Key takeaways
Bioprosthetic mitral valve endocarditis, often caused by Staphylococcus aureus in intravenous drug users, can lead to rapid valve dysfunction, acute left-sided pressure elevation, and severe pulmonary edema. Direct visualization of vegetations on CT can help confirm the diagnosis and guide surgical replacement.
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