L. S. WANN, M.D.; ARTHUR E. WEYMAN, M.D.; HARVEY FEIGENBAUM, M.D.; JAMES C. DILLON, M.D.; K. W. JOHNSTON, B.S.; REGINALD C. EGGLETON, M.S.
Cross-sectional echocardiograms of the mitral valve orifice were recorded in 37 patients with mitral stenosis. Twenty-seven had pure mitral stenosis, and 10 had associated mitral regurgitation. Mitral valve area in patients with pure mitral stenosis measured from cross-sectional echocardiography was highly correlated (r = 0.89) with that calculated with the Gorlin formula using the pressure gradient and Fick cardiac output. With mitral regurgitation, mitral valve area by cross-sectional echocardiography correlated well (r = 0.90) with that calculated from the pressure gradient and cineangiographic stroke output. In two cases, direct pathologic measurements of mitral valve area agreed exactly with the cross-sectional echocardiographic measurement. Correlation between the mitral E-F slope and mitral valve area by cross-sectional echocardiography (r = 0.56) and catheterization (r = 0.49) was less reliable. Cross-sectional echocardiographic measurement of the mitral valve area correlates well with catheterization in patients with pure mitral stenosis and those with associated regurgitation.
WANN LS, WEYMAN AE, FEIGENBAUM H, DILLON JC, JOHNSTON KW, EGGLETON RC. Determination of Mitral Valve Area by Cross-Sectional Echocardiography. Ann Intern Med. 1978;88:337–341. doi: 10.7326/0003-4819-88-3-337
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Published: Ann Intern Med. 1978;88(3):337-341.
Cardiac Diagnosis and Imaging, Cardiology.
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