Key result
Two-dimensional Doppler echocardiography provided estimates of aortic regurgitant fraction that correlated closely with catheter estimates (r = 0.96, p < 0.01) in patients without mitral regurgitation.
Why the study?
Does two-dimensional Doppler echocardiography accurately estimate aortic regurgitant fraction compared to cineaortography and catheter techniques in patients with aortic regurgitation?
Observational (n=20)
Does two-dimensional Doppler echocardiography accurately estimate aortic regurgitant fraction compared to cineaortography and catheter techniques in patients with aortic regurgitation?
Effect estimate: r = 0.96
p-value: p=<0.01
Two-dimensional Doppler echocardiography provides a useful and accurate noninvasive method to evaluate aortic regurgitant fraction, specifically regardless of the presence of associated mitral lesions.
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May support noninvasive Doppler estimation of aortic regurgitant fraction; leaves open validation in patients with mitral regurgitation.
Kitabatake et al. (1985) conducted an observational in Aortic regurgitation (n=20). Two-dimensional Doppler echocardiography vs. Cineaortography and catheter technique was evaluated on Correlation between Doppler estimates of regurgitant fraction and catheter estimates in patients without associated mitral regurgitation (r = 0.96, p=<0.01). Two-dimensional Doppler echocardiography provided estimates of aortic regurgitant fraction that correlated closely with catheter estimates (r = 0.96, p < 0.01) in patients without mitral regurgitation.
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