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Abstract #0426

Relationship between hepatic blood flow and segmental liver hypertrophy after portal vein embolization using 4D flow MRI

Tilman Schubert1, Kevin Johnson2, Alejandro Roldan Alzate1, and Scott Reeder1,2

1Radiology, UW Wisconsin Madison, Madison, WI, United States, 2Medical Physics, UW Wisconsin Madison, Madison, WI, United States

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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