Clinical researchImpact of valvuloarterial impedance on left ventricular longitudinal deformation in patients with aortic valve stenosis and preserved ejection fractionImpact de l’impédance valvulo-artérielle sur la déformation longitudinale du ventricule gauche de patients porteurs d’une sténose valvulaire aortique avec une fraction d’éjection préservée
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Abbreviations
AVS
aortic valve stenosis
BSA
body surface area
ELI
energy loss index
EOA
effective orifice area
GLS
global longitudinal strain
LV
left ventricular
LVEF
left ventricular ejection fraction
LVID
left ventricular internal diameter
LVOT
left ventricular outflow tract
MPG
mean pressure gradient
MWFS
midwall fractional shortening
PP
pulse pressure
PWth
posterior wall thickness
PWV
pulse wave velocity
RWth
relative wall thickness
SAC
systemic arterial compliance
SV
stroke volume
SVi
stroke volume index
SVR
systemic vascular resistance
VTI
velocity time integral
Keywords
Aortic stenosis
Valvuloarterial impedance
Speckle tracking
Left ventricular function
Mots clés
Sténose aortique
Impédance valvuloartérielle
Speckle tracking
Fonction ventriculaire gauche
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S.M. and É.C. contributed equally to this manuscript.
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