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EXPERIMENTAL STUDY OF CEREBRAL PROTECTIVE SUBSTANCES IN ISCHEMIA:EFFFECT OF VITAMIN E Shunichi Fujimoto 1 , Kazuo Mizoi 1 , Takashi Yoshimoto 1 , Jiro Suzuki 1 1Division of Naurosurgery, Institute of Brain Diseases, Tohoku University School of Medicine pp.305-309
Published Date 1983/3/1
DOI https://doi.org/10.11477/mf.1406205094

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  • Abstract
  • Look Inside

Using the "Canine model of complete ischemic brain regulated with a perfusion method", the effects of vitamin E which acts as an antioxidant on cerebral ischemia were investigated. After pre-treatment with vitamin E by oral or intravenous administration, cerebral blood flow was reduced to 1/10 the normal state and one hour later, re-turn to a normal state allowed. Subsequent chan-ges in electrical activity were observed and the effects of the vitamin E were evaluated.

In the control group, no recovery of electrical activity was seen. While in the group of vitamin E administration, the survival time was not pro-longed but the recovery time was shortened statis-tically in the dogs given 30mg/kg of vitamin E intravenously. Furthermore, in the group treated with vitamin E, distinct recovery of EEG poten-tials at three hours after recirculation was appa-rent. These effects were more faborable in the case of intravenous administration than in the case of oral administration. These experimental results indicated that administration of vitamin E is effective in protecting the brain from cerebral ischemia.


Copyright © 1983, 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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