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

Ryota Hyodo; Yasuo Takehara; Takashi Mizuno; Kazushige Ichikawa; Yasuhiro Ogura; Shinji Naganawa

doi:10.2463/mrms.ici.2020-0057

This article has now been updated. Please use the final version.

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

Ryota Hyodo, Yasuo Takehara, Takashi Mizuno, Kazushige Ichikawa, Yasuhiro Ogura, Shinji Naganawa

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Keywords: 4D-flow MRI, living-donor liver transplantation, portal vein stenosis, portal vein stenting

JOURNAL OPEN ACCESS Advance online publication
Supplementary material

Article ID: ici.2020-0057

DOI https://doi.org/10.2463/mrms.ici.2020-0057

The final version of this article is now available: Vol. 20 (2021), No. 3 pp. 231-235

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Abstract

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.

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