Portal Vein Stenosis Following Liver Transplantation Hemodynamically Assessed with 4D-flow MRI before and after Portal Vein Stenting

We present a case of a patient who underwent portal vein (PV) stenting for PV stenosis after a living-donor liver transplantation. A pretreatment 3D cine phase-contrast (4D-flow) MRI showed decreased, though hepatopetal, blood flow in the PV. After stenting, 4D-flow MRI confirmed an improvement in P...

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Bibliographic Details
Published in:Magnetic Resonance in Medical Sciences 2021, Vol.20(3), pp.231-235
Main Authors: Hyodo, Ryota, Takehara, Yasuo, Mizuno, Takashi, Ichikawa, Kazushige, Ogura, Yasuhiro, Naganawa, Shinji
Format: Article
Language:English
Subjects:
4D-flow MRI
Blood flow
Flow distribution
Hemodynamics
Innovative Clinical Image
Liver
Liver transplantation
Liver transplants
living-donor liver transplantation
Magnetic resonance imaging
Portal vein
portal vein stenosis
portal vein stenting
Stenosis
Three dimensional flow
Transplantation
Veins
Veins & arteries
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Summary:We present a case of a patient who underwent portal vein (PV) stenting for PV stenosis after a living-donor liver transplantation. A pretreatment 3D cine phase-contrast (4D-flow) MRI showed decreased, though hepatopetal, blood flow in the PV. After stenting, 4D-flow MRI confirmed an improvement in PV flow, with a more homogeneous flow distribution to each hepatic segment. 4D-flow MRI are valuable for understanding the hemodynamics of this area, planning for treatments, and evaluating the outcome of the interventions.
ISSN:1347-3182
1880-2206
DOI:10.2463/mrms.ici.2020-0057