CTICasesProsthetic Valve Thrombosis
Imaging findings
Fluoroscopy and gated cardiac CT show a mechanical mitral valve prosthesis with a completely fixed, non-mobile leaflet. Heavy thrombus is seen filling the valve orifice. The patient presented with acute, severe pulmonary edema.
Key takeaways
Prosthetic valve thrombosis is a life-threatening complication of mechanical heart valves, often precipitated by subtherapeutic anticoagulation or arrhythmias like afib. Gated CT or fluoroscopy is essential to identify the fixed leaflet, and urgent thrombolysis or surgical redo is required.
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