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논문 기본 정보

자료유형
학술저널
저자정보
Ko Nayeon (Department of Rehabilitation Medicine Konkuk University Medical Center Konkuk University School of) Lee Hyun Haeng (Department of Rehabilitation Medicine Konkuk University Medical Center Konkuk University School of) Kim Kyungmin (Department of Rehabilitation Medicine Konkuk University Medical Center Konkuk University School of) Kim Bo-Ram (Department of Rehabilitation Medicine Gyeongin Rehabilitation Center Hospital Incheon Korea.) Moon Won-Jin (Department of Radiology Konkuk University Medical Center Konkuk University School of Medicine Seoul) 이종민 (건국대학교)
저널정보
대한뇌신경재활학회 뇌신경재활 뇌신경재활 제14권 제3호
발행연도
2021.11
수록면
1 - 12 (12page)
DOI
10.12786/bn.2021.14.e22

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초록· 키워드

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Cortical lesions of the supplementary motor area (SMA) are important in balance control and postural recovery in stroke patients, while the role of subcortical lesions of the SMA has not been studied. This study aimed to investigate the subcortical projections of the SMA and its relationship with ataxia in supratentorial stroke patients. Thirty-three patients with hemiparesis were divided into 3 groups (severe ataxia, n = 9; mild to moderate ataxia, n = 13; no ataxia, n = 11). Ataxia severity was assessed using the Scale for Ataxia Rating Assessment. Diffusion tensor imaging analysis used the fractional anisotropy (FA) values and tract volume as parameters of white matter tract degeneration. The FA values of regions related to ataxia were analyzed, that is the SMA, posterior limb of the internal capsule, basal ganglia, superior cerebellar peduncle, middle cerebellar peduncle, inferior cerebellar peduncle, and cerebellum. Tract volumes of the corticostriatal tract and cortico-ponto-cerebellar (CPC) tract originating from the SMA were evaluated. There were significant differences among the 3 groups in FA values of the subcortical regions of the CPC tract. Furthermore, the volume of the CPC tract originating from the SMA showed significant negative correlation with ataxia severity. There was no correlation between ataxia and corticostriatal tract volume. Therefore, we found that subcortical lesions of the CPC tract originating from the SMA could contribute to ataxia severity in stroke patients with ataxic hemiparesis

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