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.
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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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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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