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Type A behavior and the thallium stress test

J P Kahn, D S Kornfeld, D K Blood

    Psychosomatic Medicine
    |November 1, 1982
    PubMed
    Summary
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    Type A personality traits are linked to coronary artery disease (CAD) severity. Specific behaviors like vocal characteristics and job involvement showed significant correlations in patients without a history of myocardial infarction (MI).

    Area of Science:

    • Cardiology
    • Psychology

    Background:

    • Previous research suggests a link between Type A personality and coronary artery disease (CAD).
    • Most prior studies utilized invasive methods like coronary angiography for CAD assessment.

    Purpose of the Study:

    • To confirm the association between Type A personality and CAD.
    • To utilize a novel non-invasive technique for measuring CAD severity.

    Main Methods:

    • 53 patients undergoing exercise stress tests with thallium-201 myocardial perfusion studies.
    • Type A behavior assessed using the Rosenman-Friedman Semistructured Interview.
    • CAD severity rated on a four-point scale; Pearson correlation coefficients computed.

    Main Results:

    • In patients without myocardial infarction (MI) history (n=37), CAD severity correlated negatively with Overall Type A, Vocal Characteristics, Job Involvement, and Aggressiveness.

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  • In patients with MI history (n=16), CAD severity correlated positively with Job Involvement only.
  • Time Urgency did not show significant correlation in patients without MI history.

    • Conclusions:

    • Findings support the association between Type A personality and coronary atherogenesis.
    • Type A psychological and physiological characteristics may contribute to CAD.
    • Non-invasive techniques offer a promising avenue for future research in diverse populations.