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Japanese

REGIONAL CEREBRAL BLOOD FLOW IN PATIENTS WITH CEREBRAL HEMORRHAGE ESTIMATED BY 133Xe CLEARANCE METHOD Hiroshi Kawakami 1 , Takashi Kutsuzawa 1 , Takayuki Iwabuchi 1 , Kyuhei Ikeda 1 , Kazuo Uemura 2 , Yoshiharu Sakurai 3 1Division of Internal Medicine, Research Institute of Brain and Blood Vessels 2Division of Radiology, Research Institute of Brain and Blood Vessels 3Division of Neurosurgery, Research Institute of Brain and Blood Vessels pp.1477-1482
Published Date 1973/11/1
DOI https://doi.org/10.11477/mf.1406203415
  • Abstract
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Regional cerebral blood flow (rCBF) in 6 regions was measured in 20 patients with cerebral hemor-rhage (lateral type) by 1333Xe clearance method and 5% CO2 inhalation test was performed by initial slope analysis. Area 2 and 4 are thought to be nearest to the hematoma and to show the changes induced by the damage of cerebral hemorrhage. Values for rCBF were calculated by digital com-puter (JEC-7). According to the location of ab-normal foci, 20 patients could be divided into the following.

Type I: 7 cases, generalized ischemic type.

Type II: 5 cases, focal hyperemic type.

Type III: 4 cases, focal ischemic type.

Type IV : 4 cases, other channel except area 2 and 4 shows abnormal foci.

One case with severe clinical symptome in Type I Shows no rCBF change by 5% CO2 inhalation and most of cases with mild clinical signs makes good response to hypercapnia. Two of five cases in Type II do not show increasing of rCBF by CO2 inhalation and one of them show so-called "in-tracerebral steal syndrome".

rCBF change observed in Type III and IV is similar to Type I except for one case.

Early venous filling or capillary blush cannot be observed in cases with focal hyperemic region angiographically.


Copyright © 1973, 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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