Maximum Longitudinal Relaxation Velocity of the Left Ventricle: Its Clinical Value and Relationship with NT‐proBNP Plasma Levels in Heart Failure

Abstract

RVm correlates better with functional parameters in patients with EF>40, though its relationship with NT-proBNP both in patients with EF>or<or=40 is to be highlighted. Correlation between RVm and NT-proBNP is influenced by age, EF, and E/A, whereas in patients with EF>40 it is influenced only by age. RVm values showed a significant decrease in NYHA class II and III.

Variability of NT-proBNP and Its Relationship with Inflammatory Status in Patients with Stable Essential Hypertension: A 2-Year Follow-Up Study

“…The following measurements were used for assessment of LV diastolic dysfunction: 1) mitral flow propagation velocity (Vp) was determined using the previously described method [ 24 ] ; 2) peak flow velocity in early diastole (E-wave) and during atrial contraction (A) was measured by pulsed Doppler at valve level, calculating the E/A ratio; 3) early LV filling deceleration time (DT) was measured as the distance (time) between the projection of the peak velocity on the baseline and the point where EF slope encounters the baseline; 4) the inclination of the straight line of the ascending mitral ring in M-mode recording shows maximum ascending velocity (mm/s) of the mitral annulus during early diastole. The maximum relaxation velocity (RVm) was calculated as mean value of the maximal velocities in the septal, lateral, posterior, and anterior portion of the annulus [ 25 ] . Intra-observer variability was consecutively evaluated in series of 40 patients.…”

Assessment of left ventricular diastolic events interrelations: An integrated approach

“…Several studies have highlighted the clinical value of long axis motion quantification in assessing left ventricular (LV) systolic function, but relatively little is known about its diastolic measurements and their potential value in predicting diastolic pressures. The maximal long axis slope in early diastole has been proposed as a preload-independent index of diastolic function [1][2][3][4]. Recent findings failed to confirm a preload-independence of the maximal long axis excursion but further supported its contribution to LV diastolic filling, particularly after alteration of preload and inotropic state [29].…”

Relación entre modelado miocárdico y función diastólica en pacientes con hipertensión esencial

“…Como limitaciones del estudio, mencionar la no utilizació n de Doppler tisular, que se ha probado que es una herramienta má s sensible para detectar la disfunció n diastó lica 31 , aunque sí hemos medido la velocidad má xima de relajació n del ventrículo izquierdo 21 . Ademá s, no tenemos ningú n dato de resonancia magné tica, porque algunos de los hospitales implicados en el estudio no disponían de esta té cnica.…”