Abstract
Background Patients after atrioventricular septal defect (AVSD) repair may present abnormalities in valve morphology and subsequently develop altered left ventricular (LV) inflow patterns [1]. This may lead to energy loss and affect the kinetic energy in the LV. We aimed to quantify diastolic viscous energy loss and kinetic energy in the LV and to evaluate their association in AVSDrepaired patients compared to healthy controls using 4D Flow MRI.
Highlights
Patients after atrioventricular septal defect (AVSD) repair may present abnormalities in valve morphology and subsequently develop altered left ventricular (LV) inflow patterns [1]
The kinetic energy within LV was computed as 1/2 mv2, with (m) as the mass representing the voxel volume multiplied by the density of blood (1.025 g/ml) and (v) as the 3-directional velocity from 4D Flow MRI
The ratio between viscous energy loss and average kinetic energy (KE) over diastole was comparable in patients to controls (p=0.3)
Summary
Patients after atrioventricular septal defect (AVSD) repair may present abnormalities in valve morphology and subsequently develop altered left ventricular (LV) inflow patterns [1]. This may lead to energy loss and affect the kinetic energy in the LV. We aimed to quantify diastolic viscous energy loss and kinetic energy in the LV and to evaluate their association in AVSDrepaired patients compared to healthy controls using 4D Flow MRI
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