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Review
. 2021 Apr 24;11(5):767.
doi: 10.3390/diagnostics11050767.

Four-Dimensional Flow MRI of Abdominal Veins: A Systematic Review

Simon O Haarbye  1   2 , Michael B Nielsen  1   3 , Adam E Hansen  1   3 , Carsten A Lauridsen  1   2
Affiliations
Review

Four-Dimensional Flow MRI of Abdominal Veins: A Systematic Review

Simon O Haarbye et al. Diagnostics (Basel). .

Abstract

The aim of this systematic review is to provide an overview of the use of Four-Dimensional Magnetic Resonance Imaging of vector blood flow (4D Flow MRI) in the abdominal veins. This study was composed according to the PRISMA guidelines 2009. The literature search was conducted in MEDLINE, Cochrane Library, EMBASE, and Web of Science. Quality assessment of the included studies was performed using the QUADAS-2 tool. The initial search yielded 781 studies and 21 studies were included. All studies successfully applied 4D Flow MRI in abdominal veins. Four-Dimensional Flow MRI was capable of discerning between healthy subjects and patients with cirrhosis and/or portal hypertension. The visual quality and inter-observer agreement of 4D Flow MRI were rated as excellent and good to excellent, respectively, and the studies utilized several different MRI data sampling strategies. By applying spiral sampling with compressed sensing to 4D Flow MRI, the blood flow of several abdominal veins could be imaged simultaneously in 18-25 s, without a significant loss of visual quality. Four-Dimensional Flow MRI might be a useful alternative to Doppler sonography for the diagnosis of cirrhosis and portal hypertension. Further clinical studies need to establish consensus regarding MRI sampling strategies in patients and healthy subjects.

Keywords: 4D MRI; abdominal veins; diagnostics; hemodynamics; scan techniques.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
PRISMA flowchart of the inclusion process.
See this image and copyright information in PMC

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