Why the study?
Does a heart rate-corrected modification of Hakki's formula improve the accuracy of mitral and aortic valve area calculations?
Population
Patients undergoing hemodynamic evaluation for mitral or aortic valve stenosis
Comparison
Modified simplified valve formula incorporating… vs Original Hakki's simplified formula and mean…
Design
Other
Authors
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May refine valve area estimates during catheterization; leaves open prospective validation before routine use.
Does a heart rate-corrected modification of Hakki's formula improve the accuracy of mitral and aortic valve area calculations?
A simple heart rate correction to Hakki's formula improves the accuracy of calculating mitral and aortic valve areas using instantaneous gradients.
Ángel et al. (1985) studied this question.
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