The most common cardiac cause of massive hemoptysis is mitral stenosis. Mitral regurgitation is rarely complicated by massive hemoptysis. A 48-year-old man with no significant medical history was admitted to our hospital with hemoptysis and production of 500 mL of blood within 24 hours. A pan-systolic murmur was found on chest examination. A chest computed tomography showed airspace consolidation in the right upper and middle lobes, with faint bilateral ground glass opacity. Echocardiography revealed mitral valve prolapse and grade IV mitral regurgitation. The patient was diagnosed with sporadic primary mitral valve prolapse. After mitral valve repair surgery, the patient recovered fully.
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The fracture embolization of a mechanical valve is a very rare but potentially fatal event that can cause acute severe valve regurgitation and subsequent decompensated heart failure. Generally, the mechanical valve is durable and semi-permanent. If this is not the case, bacterial endocarditis can occur. However, leaflet fracture embolizations related to mechanical failure may occur in the specific mechanical valve brands associated with the subjects own structural fragilities. In this case, we dealt with a case of fatal Edward-Duromedics mechanical mitral valve leaflet fracture embolization that had been implanted 20 years ago. The patient presented with severe acute heart failure and shock. Severe transvalvular mitral regurgitation and only one valve leaflet was observed in echocardiography.
Although the emergency mitral valve replacement was performed under the diagnosis with valve leaflet fracture embolization, the patient was not resuscitated from systolic pump failure and died.
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