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

Title
The relation between motor function of stroke patients and diffusion tensor imaging findings for the corticospinal tract
Author(s)
장성호권혁규김경[김경]김성호손수민장우혁
Keywords
ACTIVE FINGER EXTENSION; RECOVERY; INTEGRITY; TRACTOGRAPHY; SIZE; STIMULATION; IMPAIRMENT; HEMISPHERE; PATHWAYS; LOCATION
Issue Date
201406
Publisher
ELSEVIER IRELAND LTD
Citation
NEUROSCIENCE LETTERS, v.572, pp.1 - 6
Abstract
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<0.05). With regard to Medical Research Council, shoulder abductor (r=0.70, 0.68), elbow flexor (r=0.75, 0.72), finger flexor (r=0.73, 0.74), and finger extensor (r=0.69, 0.77) showed strong correlations with FA and FN ratios. Modified Brunnstrom Classification (r=0.70, 0.73) also showed strong correlation. According to our findings, it appears that the CST is related to motor function of upper and lower extremities, with particular relation to motor function of upper extremities, including the hand, compared with other motor functions. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/31999http://dx.doi.org/10.1016/j.neulet.2014.04.044
ISSN
0304-3940
Appears in Collections:
의과대학 > 재활의학교실 > Articles
의과대학 > 신경외과학교실 > Articles
의과대학 > 영상의학과학교실 > Articles
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