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HOMOBANILLIC ACID CONCENTRATIONS OF CEREBROSPINAL FLUID IN PATIENTS WITH EPILEPSY Kiyofumi Kobayashi 1 , Yayoi Ebara 1 , Kiyoshi Hosokawa 2 , Yuzuru Oku 3 1Institute for Neurobiology, Okayama University Medical School 2Department of Neuropsychiatry, Okayama University Medical School 3Department of Neurosurgery, Kansai Rosai Hospital pp.371-377
Published Date 1976/4/1
DOI https://doi.org/10.11477/mf.1406203868
  • Abstract
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The homovanillic acid (HVA) content of the lumbar cerebrospinal fluid (CSF) was examined in 27 epileptic (13 males and 14 females, 3 to 51 years of age) and in 18 control subjects (11 males and 7 females, 1 to 67 years of age). Epileptic groups were consisted of 5 patients with Lennox syndrome, 1 with atonic type, 11 with tonic-clonic, 1 with psychomotor in addition to tonic-clonic, 5 with psychomotor, 2 with adversive, and 1 with focal motor respectively.

Five to six ml of CSF was collected by the lumbar tap at 9-10 A. M. as the routine time, and immediately frozen. Then the value of HVA was determined by the fluorometric method of Curzon within two weeks.

The mean value of the HVA content in CSF was 20. 5 ng per ml ± 14. 1 S. D. in the epilepsy group and 37.8 ng per ml ± 11.7 S. D. in the control group respectively. Especially, the 4 epilepticpatients with no antiepileptic medication showed in all the reduced content of the HVA. Thus the mean value of the HVA content was significatly reduced in epileptic patients compared with the control group (t-test). However, there was no apparent relationship between tho degree of re-duced HVA concentration and the clinical indexes of the epilepsy (age, sex, type and frequency of seizures, and all kind of antiepileptic drugs).

Since it has been clarified that the HVA content in CSF is a good reflection of the metablism of the parent amines in the brain, our results suggest that there exists some alteration of dopamine turn-over in the brain of the epileptic patients. Recent investigations suggest a close relationship between brain monoamines and epileptic seizures in a variety of experimental animal models.

Based on the results of our study, some relation between epilepsy and brain catecholamines was discussed.


Copyright © 1976, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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