Abstract #2724
Intra-scan and inter-scan reproducibility and variability of left ventricular 4D flow kinetic energy values in healthy volunteers.
Victoria Stoll 1 , Aaron Hess 1 , Malenka Bissell 2 , Jonatan Eriksson 3 , Petter Dyverfeldt 3 , Andrew Lewis 2 , Tino Ebbers 3 , Saul Myerson 2 , Carl-Johan Carlhll 3 , and Stefen Neubauer 2
1
Division of Cardiovascular Medicine, OCMR,
Oxford, United Kingdom,
2
OCMR,
Oxford, United Kingdom,
3
Division
of Cardiovascular Medicine and Center for Medical
Imaging Science and Visualization (CMIV), Linkping
University, Linkping, Sweden
Left ventricular failure results in inefficient
intra-cardiac blood flow; 4D flow imaging visualises
this blood flow and allows calculation of the kinetic
energy (KE) of the blood. 15 healthy volunteers were
scanned twice to assess the reproducibility and
variability of the KE values of the intra-cardiac blood
flow components within the healthy heart, in order to
understand the changes in diseased states. The end
diastolic KE values were reproducible with no
significant physiological variability over time.
Calculation of the end diastolic KE values of the
different left ventricular flow components is a robust
technique, with good intra and inter-scan
reproducibility.
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