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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function
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Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function

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Coronary embolism in valvular heart disease

R G Charles, E J Epstein, S Holt

    The Quarterly Journal of Medicine
    |January 1, 1982
    PubMed

    Insights

    Coronary embolism, often overlooked, is a significant cause of acute myocardial infarction, particularly in patients with normal coronary arteries. This condition can lead to severe cardiac complications and death.

    Area of Science:

    • Cardiology
    • Vascular Medicine

    Background:

    • Coronary embolism is increasingly recognized as an underdiagnosed cause of acute myocardial infarction (AMI).
    • Evidence suggests a potential link between coronary embolism and AMI in patients with angiographically normal coronary arteries.

    Observation:

    • A study of 26 patients revealed coronary embolism as the primary cause of death in 6 (23%) and diagnosed clinically in 20 (77%).
    • Left coronary system occlusion occurred in 65% of cases, with 30% experiencing transient electrocardiographic changes.
    • Atypical or absent history of AMI was noted in 29% of patients, and 25% had other systemic emboli.

    Findings:

    • Aortic valve lesions were present in 70% of patients, and combined mitral and aortic valve disease in 55%.
    • Traditional coronary risk factors were infrequently observed.
    • Sequelae included dyspnea (35%), ventricular aneurysm (25%), and cardiac failure (12%).

    Implications:

    • Coronary embolism should be considered in the differential diagnosis of AMI, especially with normal coronary arteries.
    • Identifying aortic valve disease is crucial as it is a common predisposing factor.
    • Further research is needed to improve diagnostic strategies and patient outcomes for coronary embolism.

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