Why the study?
Does color flow Doppler imaging of the flow convergence region accurately quantify mitral regurgitation severity compared to left ventricular angiography in patients with mitral regurgitation?
Population
52 consecutive patients with mitral regurgitation verified by left ventricular angiography, mean age 49 years.
Comparison
Color flow Doppler imaging of flow convergence… vs Left ventricular angiography.
Design
Cross-sectional
Authors
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Supports flow convergence Doppler for noninvasive MR grading; leaves open prospective outcome validation.
Does color flow Doppler imaging of the flow convergence region accurately quantify mitral regurgitation severity compared to left ventricular angiography in patients with mitral regurgitation?
The flow convergence region method using color flow Doppler provides a quantitative estimate of mitral regurgitation severity that correlates highly with angiographic grading.
Bargiggia et al. (1991) studied this question.
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