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Assessment of right ventricular function using two-dimensional echocardiography.

S Kaul, C Tei, J M Hopkins

    American Heart Journal
    |March 1, 1984
    PubMed
    Summary
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    Tricuspid annular plane systolic excursion (TAPSE) is a simple echocardiographic measurement that accurately reflects right ventricular ejection fraction (RVEF). This method offers a reliable alternative for assessing right ventricular function without complex imaging or tracing requirements.

    Area of Science:

    • Cardiology
    • Echocardiography
    • Cardiac Imaging

    Background:

    • Assessing right ventricular (RV) function is crucial in cardiovascular diagnostics.
    • Traditional methods for evaluating RV function can be complex and operator-dependent.
    • Two-dimensional echocardiography (2DE) offers a non-invasive approach to cardiac assessment.

    Purpose of the Study:

    • To evaluate the efficacy of 2DE apical and subcostal views in assessing RV function.
    • To correlate novel echocardiographic parameters with radionuclide angiography-derived RV ejection fraction (RVEF).
    • To identify a simple and reliable echocardiographic measure for RV function.

    Main Methods:

    • Analysis of apical and subcostal four-chamber views using 2DE in 30 individuals.
    • Correlation of various echocardiographic parameters, including tricuspid annular plane systolic excursion (TAPSE), RV end-diastolic area (RVEDA), and chord lengths, with RVEF from radionuclide angiography.

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  • Comparison of measurement accuracy between apical and subcostal views.

    • Main Results:

    • TAPSE demonstrated a strong positive correlation with RVEF (r = 0.92).
    • Apical four-chamber view measurements of RVEDA and percentage systolic area change also showed significant correlation with RVEF (r = -0.76 and 0.81, respectively).
    • Subcostal view measurements and apical chord length measurements showed poor correlation with RVEF.

    Conclusions:

    • TAPSE is a simple, reliable echocardiographic parameter that accurately reflects RVEF.
    • TAPSE measurement is independent of geometric assumptions and traceable endocardial edges.
    • The apical four-chamber view is superior to the subcostal view for RV function assessment when endocardial tracing is feasible.