A Study of Mitral Stenosis by Combined Catheterization of the Left and Right Sides of the Heart

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Abstract
SIMULTANEOUS catheterization of the left and right sides of the heart for evaluation of mitral and aortic stenosis has recently been reported.1 2 3 4 The effects of mitral stenosis upon the pulmonary circulation and cardiac output have been extensively investigated by right-sided catheterization.5 6 7 With the introduction of left-sided catheterization a method of accurate measurement of pressure gradient across a stenotic orifice became available.8 9 10 With the subsequent application of combined heart catheterization a more accurate evaluation of pressure-flow relations, as well as estimation of orifice size, can be obtained.Methods and MaterialsOne hundred and twenty patients with mitral stenosis were studied by . . .