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REGIONAL CEREBRAL BLOOD FLOW IN PATIENTS WITH HYPERTENSIVE INTRACEREBRAL EMORRHAGE:PATIENTS WITH PUTAMINAL HEMORRHAGE TREATED SURGICALLY Kiyoshi Kuroda 1 1Department of Neurosurgery, Iwate Medical University pp.561-569
Published Date 1982/6/1
DOI https://doi.org/10.11477/mf.1406204950
  • Abstract
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Regional cerebral blood flow (rCBF) was measured in 36 patients with hypertensive intracerebral hemorrhage (putaminal hemorrhage) treated sur-gically, using the Xenon-133 intracarotid injection method. In a few previous studies, it has been reported that a long standing hemispheric cere-bral blood flow reduction was seen in such cases. However, the manner of rCBF changes and details of the duration of the flow reduction are not yet clarified. In the present study the correlations bet-ween CBF in four regions, (the hemisphere, the frontal region, the sensori-motor area and the focal (pathologic) area) and the duration from the opera-tion, the conscious level, the hematoma volume and motor function were investigated. The results obtained were as follows;

1) MCBF, rCBF in sensori-motor area and in the focal area showed a value below 30 ml/100 g/min. for any duration after the operation within one year. However, in the frontal region rCBF tends to increase from 4 months after the operation. In two cases which were measured for more than one year, MCBF and rCBF showed a higher value in all regions than that of the cases within one year.

2) There was a close correlation between the conscious level and CBF, especially in the frontal region. The higher CBF was noted in the better consciousness group.

3) In hematoma cases the larger the hematoma volume (especially those over 31 ml) the lower the CBF in all three regions. In the focal area rCBF showed the lowest value among these three regions and was dependent on the hematoma volume, while frontal region revealed the highest flow value of them all, even in cases with a hematoma volume over 81 ml.

4) There was a significant difference in rCBF between cases with severe motor disturbance and cases with moderate motor disturbance, except in the focal area. In the frontal region rCBF coincides rather well to the degree of motor disturbance ; i. e. cases with hyperfrontal rCBF pattern showed a moderate motor disturbance. While, rCBF in the focal area was less than 30 m7/100 g/min., and showed no correlation to motor function.

It might be concluded from these results that rCBF measurement is helpful to estimate the effects of mass lesion to brain function. Also, in cases with putaminal hemorrhage the disclosure of rCBF changes may make it possible to estimate the extent of motor function.


Copyright © 1982, 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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