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Coronary artery obstruction due to blunt chest trauma with residual angina pectoris

D M Loss, R M MacMillan, V Maranhao

    Catheterization and Cardiovascular Diagnosis
    |January 1, 1983
    PubMed

    Insights

    Blunt chest trauma can cause coronary artery obstruction and angina pectoris in individuals without atherosclerosis. This injury may result from intimal tears or subintimal hemorrhage leading to incomplete vessel blockage.

    Area of Science:

    • Cardiology
    • Trauma Medicine
    • Vascular Injury

    Background:

    • Coronary artery disease typically results from atherosclerosis.
    • Blunt chest trauma is not commonly associated with acute coronary events.

    Observation:

    • A 41-year-old man presented with persistent angina pectoris after blunt chest trauma.
    • Coronary angiography revealed 80% obstruction in the mid-left anterior descending artery.
    • No signs of atherosclerosis were present in other coronary arteries.

    Findings:

    • Blunt trauma can induce coronary artery occlusion in the absence of atherosclerosis.
    • The mechanism involves intimal tear and/or subintimal hemorrhage.
    • This leads to incomplete luminal thrombosis and symptoms of angina pectoris.

    Implications:

    • Chest trauma should be considered a potential cause of coronary artery injury.
    • This case highlights a non-atherosclerotic cause of angina.
    • Further research is needed to understand the long-term consequences of traumatic coronary artery occlusion.

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