Scan-rescan reproducibility of flow and pressure difference using 4D flow MRI in pulmonary artery
Ke Ma 1 , Zechen Zhou 1 , Aiqi Sun 1 , Shuo Chen 1 , and Rui Li 1
Center for Biomedical Imaging Research,
Department of Biomedical Engineering, School of
Medicine, TsingHua university, Beijing, China
4D flow MRI has been widely used for the assessment of
in vivo blood Flow .Blood flow and pressure differences
are an important clinical marker for the severity of
cardiovascular disease such as pulmonary hypertension .
Previous studies found high reproducibility of blood
flow and WSS in aorta and pulmonary artery (PA),but no
report on the reliability of pressure difference (PD)
.The aim of this study was to investigate the
scan-rescan reproducibility of 4D MRI in the PA for
blood flow and PD.
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