INJURY OF THE CORTICORETICULAR PATHWAY IN SUBARACHNOID HAEMORRHAGE AFTER RUPTURE OF A CEREBRAL ARTERY ANEURYSM

Title
INJURY OF THE CORTICORETICULAR PATHWAY IN SUBARACHNOID HAEMORRHAGE AFTER RUPTURE OF A CEREBRAL ARTERY ANEURYSM
Author(s)
장성호최병연김성호장철훈정영진여상석[여상석]
Keywords
DIFFUSION TENSOR TRACTOGRAPHY; INFERIOR CEREBELLAR ARTERY; CORTICOSPINAL TRACT; INTRACEREBRAL HEMORRHAGE; PROXIMAL WEAKNESS; HUMAN BRAIN; PATIENT; STAGE
Issue Date
201502
Publisher
FOUNDATION REHABILITATION INFORMATION
Citation
JOURNAL OF REHABILITATION MEDICINE, v.47, no.2, pp.133 - 137
Abstract
Objective: Several studies have reported on injury of the corticoreticular pathway in patients with stroke and traumatic brain injury. However, little is known about injury of the corticoreticular pathway in patients with subarachnoid haemorrhage. The aim of the current study was to investigate corticoreticular pathway injury in patients with subarachnoid haemorrhage. Design: Comparative study. Subjects: Among 137 patients with subarachnoid haemorrhage, 17 patients with motor weakness who showed intact integrity of the corticospinal tract were recruited. Methods: Motricity Index was used for measurement of motor function. The fractional anisotropy value, apparent diffusion coefficient value, fibre volume, and integrity of the corticoreticular pathway were used for the diffusion tensor imaging parameters. Results: Twelve (70.6%) of 17 patients and 18 (52.9%) of 34 hemispheres showed a discontinuation of the corticoreticular pathway at the midbrain level. The contralateral shoulder, hip, and lower extremity of the discontinued corticoreticular pathway showed lower motor functions, in comparison with those of the contralateral side of the intact corticoreticular pathway (p<0.05). By contrast, the Motricity Index for distal joint, upper and total Motricity Index were not different irrespective of the state of the corticoreticular pathway (p>0.05). Conclusion: Corticoreticular pathway injury is common in patients with motor weakness after subarachnoid haemorrhage, and it appears to be related to weakness in the contralateral shoulder, hip and lower extremity.
URI
http://hdl.handle.net/YU.REPOSITORY/33592http://dx.doi.org/10.2340/16501977-1896
ISSN
1650-1977
Appears in Collections:
의과대학 > 재활의학교실 > Articles
의과대학 > 신경외과학교실 > Articles
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