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[Human coronary arterial patterns (author's transl)].

H Kalbfleisch, W Hort

    Deutsche Medizinische Wochenschrift (1946)
    |July 16, 1976
    PubMed
    Summary
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    Coronary artery supply areas show significant variation, particularly in the posterior ventricular wall and apex. Understanding these anatomical differences is crucial for diagnosing and treating heart conditions.

    Area of Science:

    • Cardiovascular Anatomy
    • Medical Imaging
    • Human Physiology

    Context:

    • Coronary artery anatomy dictates myocardial perfusion.
    • Variations in coronary artery supply can impact clinical outcomes.
    • Post-mortem angiography provides detailed insights into vascular territories.

    Purpose:

    • To delineate the anatomical limits of the three major coronary arteries.
    • To quantify the variability in myocardial supply territories.
    • To identify common patterns and variations in coronary artery branching.

    Summary:

    • Post-mortem angiography of 400 human hearts revealed significant variations in the supply areas of the right, left descending, and left circumflex coronary arteries.
    • The posterior ventricular wall and apex exhibited the greatest variability. The normal pattern, with the left ventricular posterior wall supplied by both right and left circumflex branches, occurred in 82% of cases.

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  • Variations included right-coronary dominance (10%), left-dominant patterns (8%), and frequent dorsal extension of the left descending branch at the apex (70%). The left coronary artery showed substantial branching variations in the anterior wall.

    • Impact:

    • Provides essential anatomical data for interventional cardiology and cardiac surgery.
    • Enhances understanding of myocardial infarction patterns and risk stratification.
    • Contributes to improved diagnostic accuracy in cardiovascular imaging and interpretation.