Intersite Reliability of Diffusion Tensor Imaging on Two 3T Scanners

We report the intersite scan reliability of diffusion tensor imaging (DTI) parameters using identical 3T scanners and acquisition protocols at 2 sites. Voxel-based analysis revealed several regions with significant intersite differences. The intersite reliability of DTI measures showed coefficients...

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Veröffentlicht in:	Magnetic Resonance in Medical Sciences 2015/03/01, Vol.14(3), pp.227-233
Hauptverfasser:	KAMAGATA, Koji, SHIMOJI, Keigo, HORI, Masaaki, NISHIKORI, Akira, TSURUTA, Kohei, YOSHIDA, Mariko, KAMIYA, Kouhei, IRIE, Ryusuke, SUZUKI, Michimasa, KYOGOKU, Shinsuke, SUZUKI, Yuriko, SATO, Noriko, AOKI, Shigeki
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Anisotropy Brain - anatomy & histology Diffusion Magnetic Resonance Imaging - instrumentation Diffusion Magnetic Resonance Imaging - methods diffusion tensor imaging Diffusion Tensor Imaging - instrumentation Diffusion Tensor Imaging - methods Female Humans intersite Male Middle Aged reliability reproducibility Reproducibility of Results tract-based spatial statistics
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Zusammenfassung:	We report the intersite scan reliability of diffusion tensor imaging (DTI) parameters using identical 3T scanners and acquisition protocols at 2 sites. Voxel-based analysis revealed several regions with significant intersite differences. The intersite reliability of DTI measures showed coefficients of variation below 4% in tract-specific analysis (TSA) and below 6% in atlas-based analysis. Given the excellent reliability of TSA, our results suggest it as a promising and useful tool for multicenter DTI studies.
ISSN:	1347-3182 1880-2206
DOI:	10.2463/mrms.2014-0077