Why the study?
Do Doppler echocardiography methods (pressure half-time and continuity equation) accurately estimate stenotic mitral valve area compared to invasive catheterization in patients with mitral stenosis?
Do Doppler echocardiography methods (pressure half-time and continuity equation) accurately estimate stenotic mitral valve area compared to invasive catheterization in patients with mitral stenosis?
This study evaluates the diagnostic accuracy of two noninvasive Doppler echocardiography methods against invasive catheterization for quantifying mitral valve area in patients with mitral stenosis.
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May support noninvasive mitral valve area assessment in stenosis; leaves open prospective validation versus catheterization.
A 1988 study studied this question.
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