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Two-dimensional echocardiography in predicting left ventricular wall motion abnormalities and left ventricular

M U Glover, A D Hagan, A Cohen

    Southern Medical Journal
    |March 1, 1982
    PubMed
    Summary
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    Two-dimensional echocardiography (2-DE) reliably detects heart wall motion issues in coronary artery disease patients. This noninvasive method offers superior accuracy compared to electrocardiography (ECG) for assessing both regional and global heart function.

    Area of Science:

    • Cardiology
    • Medical Imaging
    • Diagnostic Techniques

    Background:

    • Assessing segmental wall motion disturbances is crucial for diagnosing coronary artery disease.
    • Noninvasive methods are preferred for patient safety and comfort.
    • Existing methods like ECG have limitations in accurately detecting these abnormalities.

    Purpose of the Study:

    • To evaluate the reliability of two-dimensional echocardiography (2-DE) for detecting segmental wall motion disturbances.
    • To compare the diagnostic performance of 2-DE with electrocardiography (ECG) and biplane left ventriculography.
    • To assess the utility of 2-DE in evaluating global myocardial function.

    Main Methods:

    • Twenty-five patients with coronary artery disease were studied.

    Related Experiment Videos

  • Two-dimensional echocardiography (2-DE) was performed.
  • Standard 12-lead electrocardiography (ECG) and biplane left ventriculography were used for comparison.

    • Main Results:

    • 2-DE demonstrated high sensitivity (88%) and specificity (86%) in identifying wall motion abnormalities compared to ventriculography.
    • ECG (Q waves) showed significantly lower sensitivity (50%) and specificity (51%).
    • 2-DE parameters, including left ventricular wall motion index (LVWMI) and E-point septal separation (EPSS), correlated well with left ventriculographic ejection fractions (r=0.73 and r=-0.76).

    Conclusions:

    • Two-dimensional echocardiography (2-DE) is a reliable noninvasive technique for assessing both regional and global myocardial wall motion.
    • 2-DE offers superior diagnostic accuracy for wall motion abnormalities compared to ECG.
    • The findings suggest 2-DE is a favorable alternative to invasive procedures like ventriculography for evaluating cardiac function.