Why the study?
Does Doppler echocardiography accurately quantify stenotic aortic valve area compared to invasive cardiac catheterization in patients with aortic stenosis?
Does Doppler echocardiography accurately quantify stenotic aortic valve area compared to invasive cardiac catheterization in patients with aortic stenosis?
Doppler echocardiography provides an accurate, noninvasive method for quantifying aortic valve area that correlates highly with invasive measurements from cardiac catheterization.
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May support noninvasive Doppler aortic valve area quantification; leaves open prospective outcome validation.
Zoghbi et al. (1986) studied this question.
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