Abstract #2717
Contribution of early and late filling vortex rings to normal left ventricular flow: Quantitative 4D Flow MRI analysis using 3D vortex cores combined with particle tracing
Mohammed S.M. Elbaz 1 , Patrick J.H. de Koning 1 , Jos J.M. Westenberg 1 , Emmeline E. Calkoen 2 , Boudewijn P.F. Lelieveldt 1,3 , Arno A.W. Roest 2 , and Rob R.J. van der Geest 1
1
Division of Image Processing, Radiology,
Leiden University Medical Center, Leiden, Netherlands,
2
Paediatric
Cardiology, Leiden University Medical Center, Leiden,
Netherlands,
3
Intelligent Systems, Delft
University of Technology, Delft, Netherlands
Vortex formation in the left ventricle during diastolic
filling has been confirmed by many in vivo and in vitro
studies. Although many studies have postulated a
potentially important role of vortex formation on the
efficiency of cardiac pumping function, only limited
knowledge is currently available on the actual
contribution of the intrinsically three-dimensional
vortex formation during diastole to the normal
intra-cardiac blood flow in vivo. In this work, using 4D
Flow MRI from ten healthy controls, we applied 3D vortex
core analysis in combination with particle tracing to
quantify the contribution of early and late filling 3D
vortex rings to the normal LV flow over the cardiac
cycle.
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