Diffusion tensor MRI of the healthy brachial plexus

Jos Oudeman, Camiel Verhamme, Maurits P Engbersen, Mattan W A Caan, Mario Maas, Martijn Froeling, Aart J Nederveen and Gustav J Strijkers

PLOS ONE, 2018, vol. 13, issue 5, 1-15

Abstract: Introduction: Diffusion Tensor MRI (DT-MRI) is a promising tool for the evaluation of brachial plexus pathology. Therefore, we introduce and evaluate a fast DT-MRI protocol (8min33s scanning with 5–10 min postprocessing time) for the brachial plexus. Materials and methods: Thirty healthy volunteers within three age-groups (18–35, 36–55, and > 56) received DT-MRI of the brachial-plexus twice. Means of fractional-anisotropy (FA), mean-diffusivity (MD), axial-diffusivity (AD), and radial-diffusivity (RD) for the individual roots and trunks were evaluated. A stepwise forward approach was applied to test for correlations with age, sex, body-mass-index (BMI), bodysurface, height, and bodyweight. Within-subject, intra-rater, and inter-rater repeatability were assessed using Bland-Altman analysis, coefficient of variation (CV), intraclass-correlation (ICC), and minimal detectable difference (MDD). Results: No differences between sides and root levels were found. MD, AD, and RD correlated (P

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0196975

DOI: 10.1371/journal.pone.0196975

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