Scan-rescan reproducibility of flow and pressure difference using 4D flow MRI in pulmonary artery

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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