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Quantitative echocardiographic image texture: normal contraction-related variability.

S M Collins, D J Skorton, N V Prasad

    IEEE Transactions on Medical Imaging
    |January 1, 1985
    PubMed
    Summary
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    Echocardiographic image texture changes with cardiac contraction in normal subjects. This finding is crucial for accurate myocardial tissue analysis and may help detect heart abnormalities.

    Area of Science:

    • Cardiovascular Imaging
    • Biomedical Engineering
    • Medical Ultrasound

    Background:

    • Myocardial tissue characterization using ultrasound is an emerging field.
    • Texture analysis of echocardiographic images is being explored to determine myocardial tissue properties.

    Purpose of the Study:

    • To test if echocardiographic image texture varies with cardiac contraction in healthy individuals.
    • To establish a baseline for texture analysis in myocardial imaging.

    Main Methods:

    • Quantitative texture measures (run length, gray level difference, busyness statistics) were applied to 2D echocardiographic images.
    • Long- and short-axis images were acquired from 17 subjects at end diastole and end systole.

    Main Results:

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    • Significant changes in image texture were observed for the left ventricular posterior wall during cardiac contraction.
    • Texture analysis revealed distinct patterns related to the cardiac cycle.

    Conclusions:

    • Echocardiographic image texture is not static and varies with cardiac contraction.
    • Consistent measurement points in the cardiac cycle are essential for reliable texture analysis.
    • Deviations in texture variation may serve as an early indicator of myocardial disease.