干旱区生态环境知识资源中心(Arid): Improved reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) index: an analysis of reorientation technique of the OASIS-3 dataset

Arid

DOI	10.1007/s11604-022-01370-2
	Improved reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) index: an analysis of reorientation technique of the OASIS-3 dataset
	Tatekawa, Hiroyuki; Matsushita, Shu; Ueda, Daiju; Takita, Hirotaka; Horiuchi, Daisuke; Atsukawa, Natsuko; Morishita, Yuka; Tsukamoto, Taro; Shimono, Taro; Miki, Yukio
通讯作者	Tatekawa, H
来源期刊	JAPANESE JOURNAL OF RADIOLOGY
ISSN	1867-1071
EISSN	1867-108X
出版年	2023
卷号	41 期号:4 页码:393-400
英文摘要	Purpose Diffusion tensor image analysis along the perivascular space (DTI-ALPS) index is intended to reflect the glymphatic function of the brain; however, head rotation may reduce reproducibility and reliability. This study aimed to evaluate whether reorientation of DTI data improves the reproducibility of the ALPS index using the OASIS-3 dataset.Materials and methods 234 cognitively normal subjects from the OASIS-3 dataset were included. Original and reoriented ALPS indices were calculated using a technique that registered vector information of DTI to another space and created reoriented diffusivity maps. The F test was used to compare variances of the original and reoriented ALPS indices. Subsequently, subjects with head rotation around the z- (inferior-superior; n = 43) or x axis (right-left; n = 25) and matched subjects with neutral head position were selected for evaluation of intra- and inter-rater reliability. Intraclass correlation coefficients (ICCs) of the original and reoriented ALPS indices for participants with head rotation and neutral head position were calculated separately. The Bland-Altman plot comparing the original and reoriented ALPS indices was also evaluated.Results The reoriented ALPS index exhibited a significantly smaller variance than the original ALPS index (p < 0.001). For intra- and inter-reliability, the reorientation technique showed good-to-excellent reproducibility in calculating the ALPS index even in subjects with head rotation (ICCs of original ALPS index: 0.52-0.81; ICCs of reoriented ALPS index: > 0.85). A wider range of the 95% limit of agreement of the Bland-Altman plot for subjects with x axis rotation was identified, indicating that x axis rotation may remarkably affect calculation of the ALPS index.Conclusion The technique used in this study enabled the creation of reoriented diffusivity maps and improved reproducibility in calculating the ALPS index.
英文关键词	ALPS index Reorientation Glymphatic system Reproducibility
类型	Article
语种	英语
开放获取类型	hybrid, Green Published
收录类别	SCI-E
WOS记录号	WOS:000894556800001
WOS类目	Radiology, Nuclear Medicine & Medical Imaging
WOS研究方向	Radiology, Nuclear Medicine & Medical Imaging
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/397087
推荐引用方式 GB/T 7714	Tatekawa, Hiroyuki,Matsushita, Shu,Ueda, Daiju,et al. Improved reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) index: an analysis of reorientation technique of the OASIS-3 dataset[J],2023,41(4):393-400.
APA	Tatekawa, Hiroyuki.,Matsushita, Shu.,Ueda, Daiju.,Takita, Hirotaka.,Horiuchi, Daisuke.,...&Miki, Yukio.(2023).Improved reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) index: an analysis of reorientation technique of the OASIS-3 dataset.JAPANESE JOURNAL OF RADIOLOGY,41(4),393-400.
MLA	Tatekawa, Hiroyuki,et al."Improved reproducibility of diffusion tensor image analysis along the perivascular space (DTI-ALPS) index: an analysis of reorientation technique of the OASIS-3 dataset".JAPANESE JOURNAL OF RADIOLOGY 41.4(2023):393-400.