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Journal of the Korean Academy of Rehabilitation Medicine 1987;11(2):1.
Median Nerve Somatosensory Evoked Potentials in Hemiplegic Patients
Jin Ho Kim, M.D., Tai Ryoon Han, M.D. , Chyung Ki Lee, M.D.
Department of Rehabilitation Medicine, Seoul National University Hospital
편마비 환자의 정중신경 체성감각 유발전위에 관한 고찰
김진호, 한태륜, 이청기
서울대학교 의과대학 재활의학교실

It is important to know the prognosis of the cerebrovascular disease for plan of the course of rehabilitation program. Up to present, brain computerized tomogram(brain CT) was used in combination with clinical, personal and environmental factors but they are insufficient and have a lot of limitation to expect the neurophysiologic state and the prognosis of the hemiplegic patients. And so we practiced the median nerve somatosensory evoked potentials(SEP) as a prognostic predictor of the cerebrovascular disease on the both upper extremities and evaluated correlation with the clinical findings and brain CT and then correlated with the functional recovery in 40 hemiplegic patients.
are following.

1) SEP has a good correlation with clinical findings and among them especially strong with vibration and joint position sense.

2) In the lesion of the somatosensory pathway and basal ganglia, loss of the SEP waveform was marked and in the lesion of non-somatosensory area except basal ganglia SEP showed normal or mild change.

3) Changes of the SEP waveform according to the duration of disease were not significant and have no correlation.

4) Motor & sensory improvements in hemiplegic patients had something to do with the improvement implicated still more.

5) We think that it is desirable to exam the SEP as a simple neurodiagnostic study for the appreciation of neurophysiologic state and the prognostic prediction of the functional recovery during acute stage and rehabilitation period in the stroke patients.

Key Words: Somatosensory evoked potential, Median nerve, Hemiplegia, Stroke


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