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[Coronary artery spasms].

M E Bertrand, C Laisné, J M Lefebvre

    Archives Des Maladies Du Coeur Et Des Vaisseaux
    |December 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

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    Coronary artery spasm can be iatrogenic or associated with lesions. A methyl ergometrine provocation test aids diagnosis, with surgical or medical treatments yielding positive outcomes for patients.

    Area of Science:

    • Cardiology
    • Interventional Cardiology

    Background:

    • Coronary artery spasm is a significant finding during coronary arteriography.
    • Understanding the causes and diagnostic methods for coronary spasm is crucial for patient management.

    Observation:

    • A study of 2000 coronary arteriographies identified 52 cases of coronary artery spasm.
    • Spasm was categorized into iatrogenic (catheter-induced), associated with organic lesions, or in radiologically normal arteries.

    Findings:

    • The methyl ergometrine provocation test demonstrated specificity for Prinzmetal's syndrome, differentiating it from angina with normal arteriography.
    • Surgical intervention (aorto-coronary bypass with nerve plexus resection) was successful for spasm with fixed lesions.
    • Medical management (nitrates, vasodilators) was effective for some cases of spasm in normal arteries, with surgery providing an alternative when medical treatment failed.

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    Implications:

    • Accurate diagnosis of coronary spasm subtypes is essential for guiding appropriate treatment strategies.
    • The methyl ergometrine test is a valuable diagnostic tool for identifying specific types of coronary spasm.
    • Both surgical and medical interventions can effectively manage coronary artery spasm, improving patient outcomes.