Matsushita, A.
(Ibaraki Prefectural University of Health Sciences, Neurorehabilitation)
,
Saotome, K.
(University of Tsukuba, Center for Cybernics Research)
,
Marushima, A.
(University of Tsukuba, Neurosurgery)
,
Ueno, T.
(University of Tsukuba, Rehabilitation)
,
Masumoto, T.
(University of Tsukuba, Radiology)
,
Kawamoto, H.
(University of Tsukuba, Center for Cybernics Research)
,
Nakai, K.
(Ibaraki Prefectural University of Health Sciences, Neurorehabilitation)
,
Tsurushima, H.
(University of Tsukuba, Neurosurgery)
,
Hada, Y.
(University of Tsukuba, Rehabilitation)
,
Kohno, Y.
(Ibaraki Prefectural University of Health Sciences, Neurorehabilitation)
,
Yamazaki, M.
(University of Tsukuba, Orthopedic surgery)
,
Sankai, Y.
(University of Tsukuba, Center for Cybernics Research)
,
Matsumura, A.
(University of Tsukuba, Neurosurgery)
Introduction/Background Robot therapy becomes more and more important in clinical practice. In our facility, a robot suit HAL® (hybrid assistive limbs) has been applied to stroke patients for several years. In addition, we evaluated their motor function and brain function using functional MRI al...
Introduction/Background Robot therapy becomes more and more important in clinical practice. In our facility, a robot suit HAL® (hybrid assistive limbs) has been applied to stroke patients for several years. In addition, we evaluated their motor function and brain function using functional MRI along the robot therapy. In this study, we investigated the relationships between motor and brain functions during recovery from acute stroke. Material and method Acute stroke patients participated to this study. The robot therapy with HAL® applied a participant two or three times a week in two or three weeks during hospitalization in addition to conventional rehabilitations. We also acquired 10m walk speed and functional MRI along the therapy almost two times a week. Functional connectivity (FC) among the 20 regions, assumed as motor related area, were calculated from functional MRI. The relationships between the walk speed and FC were evaluated statistically. Results Five subjects, 3 men and 2 women, participated, and gave their informed, written consent. The subjects (mean age; 49.8 years from 12 to 79) with acute stroke (3 intracranial hemorrhages and 2 cerebral infarctions) suffered left hemiparesis, and were applied the robot therapy. All patients gradually improved in walk speed. Statistically significant FC were shown in many regions, and the most significant FC in each side was between primary motor area and primary somatosensory area. The statistically significant negative correlation between walk speed and FC was found at between primary motor area in unaffected side and premotor area in affected side. That might suggest the relationships among functional connectivity and interhemispheric inhabitation. Conclusion The robot therapy with HAL® was performed for acute stroke patients. They improved gradually in motor function, and the walk speed and functional connectivity between primary motor area in unaffected side and premotor area in affected side were correlated negatively.
Introduction/Background Robot therapy becomes more and more important in clinical practice. In our facility, a robot suit HAL® (hybrid assistive limbs) has been applied to stroke patients for several years. In addition, we evaluated their motor function and brain function using functional MRI along the robot therapy. In this study, we investigated the relationships between motor and brain functions during recovery from acute stroke. Material and method Acute stroke patients participated to this study. The robot therapy with HAL® applied a participant two or three times a week in two or three weeks during hospitalization in addition to conventional rehabilitations. We also acquired 10m walk speed and functional MRI along the therapy almost two times a week. Functional connectivity (FC) among the 20 regions, assumed as motor related area, were calculated from functional MRI. The relationships between the walk speed and FC were evaluated statistically. Results Five subjects, 3 men and 2 women, participated, and gave their informed, written consent. The subjects (mean age; 49.8 years from 12 to 79) with acute stroke (3 intracranial hemorrhages and 2 cerebral infarctions) suffered left hemiparesis, and were applied the robot therapy. All patients gradually improved in walk speed. Statistically significant FC were shown in many regions, and the most significant FC in each side was between primary motor area and primary somatosensory area. The statistically significant negative correlation between walk speed and FC was found at between primary motor area in unaffected side and premotor area in affected side. That might suggest the relationships among functional connectivity and interhemispheric inhabitation. Conclusion The robot therapy with HAL® was performed for acute stroke patients. They improved gradually in motor function, and the walk speed and functional connectivity between primary motor area in unaffected side and premotor area in affected side were correlated negatively.
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