The Relation of Left Parasternal Impulse and Right Ventricular Systolic Pressure : A Kinetocardiographic and Apexcardiographic Study

概要

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A correlative study of kinetocardiographic and apexcardiographic traces taken at the left sternal border and cardiac catheterization data was conducted on a group of 57 patients with various types of heart disease.Several parameters derived from kinetocardiograms and apexcardiograms were examined for the correlation with right ventricular systolic pressure. However, there observed little correlation between them, and, it appeared difficult to obtain any reliable estimate of the pressure from these parameters. The pressure calculated from the IIp-T interval by using the Burstins method was moderately correlated with the pressure directly obtained by catheterization. However, this method seemed inadequate for clinical use, because of its unnegligible error and a difficulty involved in the measurement of the IIp-T interval.Nevertheless, kinetocardiograms and apexcardiograms were a useful procedure in detection of right ventricular hypertension and, furthermore, yielded some qualitative information on the level of ventricular pressure. The merit of the kinetocardiogram in this regard was discussed in contrast to the apexcardiogram.
International Heart Journal刊行会の論文