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Related Experiment Videos

Canine left ventricular mass estimation by two-dimensional echocardiography.

N B Schiller, C G Skiôldebrand, E J Schiller

    Circulation
    |July 1, 1983
    PubMed
    Summary

    This study presents a new two-dimensional echocardiography method for accurately measuring left ventricular mass. The developed algorithm reliably predicts cardiac mass using ultrasound, independent of the cardiac cycle phase.

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    Area of Science:

    • Cardiology
    • Medical Imaging
    • Biomedical Engineering

    Background:

    • Accurate measurement of left ventricular mass is crucial for diagnosing and managing cardiovascular diseases.
    • Traditional methods for assessing left ventricular mass can be invasive or less precise.

    Purpose of the Study:

    • To develop and validate a novel two-dimensional echocardiographic technique for quantifying left ventricular mass.
    • To establish an algorithm based on geometric principles for improved mass estimation.

    Main Methods:

    • Utilized the general formula for an ellipse to derive an algorithm for calculating shell volume.
    • Applied the algorithm to 10 canine left ventricular two-dimensional echocardiograms.
    • Assessed the algorithm's accuracy against postmortem left ventricular mass measurements.

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    Main Results:

    • The developed algorithm demonstrated high accuracy in predicting postmortem left ventricular mass (r = .98, SEE +/- 6 g).
    • The method proved independent of the cardiac cycle phase, showing strong correlation during both systole and diastole (r = .92).

    Conclusions:

    • Two-dimensional echocardiography, combined with the derived geometric algorithm, provides a reliable and accurate method for measuring left ventricular mass.
    • This non-invasive technique offers a valuable tool for clinical assessment and research in cardiovascular health.