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SERIAL EEG FINDINGS IN EXPERIMENTALLY PRODUCED CEREBRAL INFARCTION AND INTRACEREBRAL HEMATOMA Masahiro FURUSE 1 12nd Dept. of Surgery, Nagoya Univ. School of Med. pp.1137-1144
Published Date 1965/11/1
DOI https://doi.org/10.11477/mf.1406201947
  • Abstract
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This report presents serial electroencephalographic findings in dogs with experimentally produced cerebral infarction and intracerebral hematoma.

1) In cerebral infarction, the tendency of gradual restoration was observed in serial EEG with negligible EEG abnormalities in the contralateral hemisphere.

2) In intracerebral hematoma, slow activity revealed a peak between the 3rd and 7th postoperative day with a significant EEG abnormality on the contralateral side. This temporary deterioration in EEG findings may correspond to increased edema in the cerebral tissue around the hematoma.

3) In fatal cases, persistent suppression of the elec-trical activity was observed, showing down-hill course in general. This trend indicates poor prognosis.

Conclusively, the findings which seem to be cha-racteristic to the infarction or the hemorrhage can not be obtained by EEG recorded only one time after the stroke. The time factor is important in the estimation of the EEG abnormality in acute cerebrovascular dis-ease.

Therefore, the follow-up data that differ from each other through the course, as above mentioned, may suggest the possibility of differential diagnosis of the both diseases.


Copyright © 1965, 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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