Key result
Equilibrium radionuclide angiography provided more reproducible LVEF measurements than echocardiography, with substantially better limits of agreement (1.8% to 3.6% vs 13.4% to 17.4%).
Why the study?
Does equilibrium radionuclide angiography provide more reproducible LVEF measurements compared to visual estimation by echocardiography in clinically stable patients?
Population
73 clinically stable patients
Comparison
Equilibrium radionuclide angiography for LVEF… vs Visual estimation of LVEF by echocardiography
Design
Cross-sectional, Blinded analysis by 3 echocardiographers and 3 nuclear…
Follow-up
1-week interval for repeat analysis
Authors
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May support ERNA for precise LVEF reproducibility in stable patients; leaves open outcome impact before practice change.
Observational (n=73)
Blinded analysis
Does equilibrium radionuclide angiography provide more reproducible LVEF measurements compared to visual estimation by echocardiography in clinically stable patients?
Effect estimate: r = 0.81
Equilibrium radionuclide angiography provides more precisely reproducible LVEF measurements than visual echocardiography, making it preferable when exact reproducibility is required for clinical decisions.
Royen et al. (1996) conducted an observational in Clinically stable patients (n=73). Equilibrium radionuclide angiography vs. Visual estimation of LVEF by echocardiography was evaluated on Correlation of LVEF determined by both methods (r = 0.81). Equilibrium radionuclide angiography provided more reproducible LVEF measurements than echocardiography, with substantially better limits of agreement (1.8% to 3.6% vs 13.4% to 17.4%).
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