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Related Experiment Videos

Left coronary artery contrast transit time.

I Enge, S Nitter-Hauge

    The British Journal of Radiology
    |February 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Selective left coronary arteriography measures coronary contrast transit time (CCTT). CCTT did not significantly differ between healthy individuals and those with coronary artery disease, suggesting it may not be a reliable indicator of disease severity.

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    Area of Science:

    • Cardiovascular Medicine
    • Diagnostic Imaging
    • Interventional Cardiology

    Background:

    • Coronary artery disease (CAD) diagnosis relies on imaging techniques.
    • Assessing coronary blood flow dynamics is crucial for understanding cardiac health.
    • Selective left coronary arteriography offers a method to evaluate contrast flow.

    Purpose of the Study:

    • To determine the coronary contrast transit time (CCTT) using selective left coronary arteriography.
    • To investigate the relationship between CCTT and the presence and severity of coronary artery disease.
    • To explore potential correlations between CCTT, age, and angiographic findings.

    Main Methods:

    • Selective left coronary arteriography was performed.
    • The time interval from contrast injection to appearance in the coronary sinus (CCTT) was measured.

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  • CCTT was analyzed in patients with and without obstructive coronary artery disease.

    • Main Results:

    • The average CCTT was approximately four seconds, with individual variations.
    • CCTT showed a tendency to decrease with increasing age.
    • No significant difference in CCTT was observed between patients with normal coronary angiograms and those with stenoses or occlusions.
    • No correlation was found between the degree of coronary narrowing and CCTT measurements.

    Conclusions:

    • CCTT, as measured by this method, does not appear to be a sensitive indicator for detecting or quantifying obstructive coronary artery disease.
    • Age may influence CCTT, warranting further investigation.
    • Alternative explanations for the observed lack of correlation between CCTT and CAD severity need to be explored.