Four-dimensional flow (4D flow) magnetic resonance imaging (MRI) enables the quantification of blood flow such as kinetic energy (KE) and flow components within the ventricular. Both KE and flow components is associated with ventricular diastolic and systolic function. This study aimed to quantify left ventricular (LV) KE and flow components in repaired Fontan patients in comparison to normal volunteers. The data showed that LV diastolic and systolic KE and direct flow were significant reduced, and residual flow increased in repaired Fontan patients.
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