The relation between motor function of stroke patients and diffusion tensor imaging findings for the corticospinal tract

•Relation between motor function and diffusion tensor imaging finding of the CST.•All of the motor functions showed positive correlations with FA and FN ratios.•Finger extensor most accurately reflects the function of the lateral CST. Although the corticospinal tract (CST) is a major neural tract fo...

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Bibliographic Details
Published in:Neuroscience letters 2014-06, Vol.572, p.1-6
Main Authors: Jang, Sung Ho, Kim, Kyoung, Kim, Seong Ho, Son, Su Min, Jang, Woo Hyuk, Kwon, Hyeok Gyu
Format: Article
Language:English
Subjects:
Adult
Aged
Corticospinal tract
Diffusion Tensor Imaging
Female
Gait
Humans
Male
Middle Aged
Motor function
Motor Skills
Pyramidal Tracts - physiopathology
Stroke
Stroke - physiopathology
Young Adult
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Summary:•Relation between motor function and diffusion tensor imaging finding of the CST.•All of the motor functions showed positive correlations with FA and FN ratios.•Finger extensor most accurately reflects the function of the lateral CST. Although the corticospinal tract (CST) is a major neural tract for motor function, the detailed role of the CST has not been clearly elucidated. We investigated relations between motor function of patients with chronic hemiparetic stroke and diffusion tensor imaging (DTI) findings for the CST. We recruited 82 consecutive chronic stroke patients. Medical Research Council, Modified Brunnstrom Classification, and Functional Ambulatory Category were used in measurement of the affected side. All motor functions showed positive correlations with fractional anisotropy (FA) and fiber number (FN) ratios (p
ISSN:0304-3940
1872-7972
DOI:10.1016/j.neulet.2014.04.044