Left ventricular early diastolic inflow velocity and atrial ventricular plane downward velocity: Useful parameters to test diastolic function in clinical practice? Diastolic parameters tested in a clinical setting

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Abstract

Aims: To study the clinical value of the colour-M-mode slope of the early diastolic left ventricular filling phase (Vp) and the early diastolic downward M-mode slope of the left atrioventricular plane displacement (EDS), compared with diastolic function assessed by traditional Doppler evaluation. Methods and Results: In 65 consecutive patients EDS and Vp were compared with a four-degree traditional diastolic function classification, based on pulsed Doppler assessment of the early to atrial transmitral flow ratio (E/A), the E-wave deceleration time (Edt), and the systolic to diastolic (S/D) pulmonary venous inflow ratio. Vp (P=0.006) and EDS (P=0.045) were related to traditional diastolic function (Kruskal Wallis analysis). EDS showed a trend brake between the moderate and severe diastolic dysfunction groups by traditional Doppler evaluation. Vp and EDS correlated weakly in simple linear regression analysis (r=0.33). Vp and EDS discriminated poorly between normal and highly abnormal diastolic function. Conclusions: Vp and EDS were significantly related to diastolic function by traditional Doppler evaluation. They were, however, not useful as single parameters of left ventricular diastolic function due to a small difference between normal and highly abnormal values, allowing for little between-measurement variability. Consequently, these methods for the evaluation of left ventricular diastolic function do not add significantly to traditional Doppler evaluation. © 2001 The European Society of Cardiology.

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Winter, R., Gudmundsson, P., Ericsson, G., & Willenheimer, R. (2001). Left ventricular early diastolic inflow velocity and atrial ventricular plane downward velocity: Useful parameters to test diastolic function in clinical practice? Diastolic parameters tested in a clinical setting. European Journal of Echocardiography, 2(2), 126–131. https://doi.org/10.1053/euje.2001.0083

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