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Cardiac function: evaluation with fast-echo MR imaging.

R R Edelman, R Thompson, H Kantor

    Radiology
    |March 1, 1987
    PubMed
    Summary
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    This study introduces a new magnetic resonance imaging technique for assessing heart function. It enables faster cardiac imaging, allowing for accurate measurement of left ventricular volume and ejection fraction.

    Area of Science:

    • Cardiovascular imaging
    • Medical physics
    • Cardiac magnetic resonance imaging

    Background:

    • Conventional cardiac magnetic resonance (MR) imaging has limitations in evaluating cardiac function.
    • Shorter echo times are needed for improved functional assessment.

    Purpose of the Study:

    • To implement and evaluate a novel MR imaging technique for cardiac functional assessment.
    • To enable rapid acquisition of cardiac images during isovolumetric phases.

    Main Methods:

    • Utilized short echo times for rapid image acquisition in multisection mode.
    • Acquired image stacks during end systole and end diastole.
    • Calculated left ventricular volume and ejection fraction using a modified Simpson rule.

    Main Results:

    Related Experiment Videos

    • The new technique allows for functional assessment of the heart with improved speed.
    • Preliminary results show promise for evaluating various cardiac functional parameters.
    • Acquisition times are short enough to combine with tissue characterization studies.

    Conclusions:

    • This short echo time MR imaging technique shows potential for comprehensive cardiac functional evaluation.
    • The method is compatible with clinical MR imaging time constraints.
    • It offers a promising alternative for assessing cardiac function compared to conventional methods.