This study used 4D-flow MRI to assess potential correlations between changes in portal-venous blood flow and liver growth after portal vein embolization (PVE). 4 pigs underwent PVE and were examined with 4D flow MRI before and immediately after PVE as well as 1 week and 2 weeks after PVE. The results indicate that a persistent increase in blood flow volume to non-embolized liver segments as opposed to a peak in flow volume that later decrease over time, is likely to influence growth of these segments. Furthermore, 4D-flow MRI is well suited to study changes in portal-venous flow volume after PVE.
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