Key result
Tissue motion annular displacement of the mitral valve using 2D speckle tracking echocardiography strongly correlated with MRI-derived left ventricular ejection fraction (r = 0.69, p < 0.001).
Why the study?
Does tissue motion annular displacement (TMAD) using 2D speckle tracking echocardiography accurately predict left ventricular ejection fraction compared to cardiac MRI in healthy children?
Population
70 healthy 9-year-old children with no history of cardiovascular disease
Comparison
Tissue motion annular displacement of the mitral… vs Cardiac magnetic resonance imaging and M-mode…
Design
Cohort
Authors
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TMAD may offer a feasible echocardiographic LVEF surrogate in healthy children; hypothesis-generating and requires prospective validation before practice change.
Observational (n=70)
Does tissue motion annular displacement (TMAD) using 2D speckle tracking echocardiography accurately predict left ventricular ejection fraction compared to cardiac MRI in healthy children?
Effect estimate: r = 0.69
Absolute Event Rate: 60.9% vs 64.5%
p-value: p=<0.001
TMAD of the mitral valve using 2D speckle tracking echocardiography is a simple and accurate method for assessing LVEF in children, correlating strongly with cardiac MRI.
Black et al. (2013) conducted an observational in Healthy (n=70). Tissue motion annular displacement (TMAD) using 2D speckle tracking echocardiography vs. Cardiac magnetic resonance imaging was evaluated on Left ventricular ejection fraction (r = 0.69, p=<0.001). Tissue motion annular displacement of the mitral valve using 2D speckle tracking echocardiography strongly correlated with MRI-derived left ventricular ejection fraction (r = 0.69, p < 0.001).
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