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Myocardial ischemia secondary to congenital hypoplastic left coronary cusp in adult

Chung-Wah Siu, Man-Hong Jim

    Acute Cardiac Care
    |June 2, 2011
    PubMed

    Insights

    Congenital aortic valve disease rarely causes coronary obstruction in children and has not been previously reported in adults. This case highlights a 49-year-old woman with a hypoplastic left coronary cusp leading to myocardial ischemia.

    Area of Science:

    • Cardiology
    • Congenital Heart Disease
    • Coronary Artery Anomalies

    Background:

    • Congenital aortic valve disease is a rare condition.
    • Coronary arterial obstruction is an uncommon complication, particularly in adults.
    • Hypoplastic left coronary cusp is a specific congenital anomaly of the aortic valve.

    Observation:

    • A 49-year-old healthy woman presented with symptoms suggestive of myocardial ischemia.
    • Imaging revealed a hypoplastic left coronary cusp, a rare congenital abnormality.
    • The anomaly resulted in obstruction of the left main coronary artery.

    Findings:

    • The patient experienced myocardial ischemia due to obstruction in the left main coronary artery territory.
    • This represents the first reported case of coronary arterial obstruction associated with congenital aortic valve disease in an adult.
    • The hypoplastic left coronary cusp was identified as the cause of the obstruction.

    Implications:

    • This case expands the known clinical spectrum of congenital aortic valve disease.
    • It underscores the importance of considering coronary anomalies in adult patients with unexplained myocardial ischemia.
    • Further research may be warranted to understand the long-term implications and management of this condition in adults.

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