Effect of Sympathetic Stimulation on Cerebral Circulation
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概要
- 論文の詳細を見る
The role of sympathetic regulation in cerebral circulation was studied in the cat by continuous measurement of cerebral tissue oxygen tension (BrPO_2), carbon dioxide tension (BrPCO_2), pH (BrpH) and blood pressure. The ipsilateral superior cervical ganglion was electrically stimulated for 3 min. A slight decrease in BrPO_2 and a slight but significant increase in BrPCO_2 were observed during sympathetic stimulation. These changes suggested that sympathetic stimulation slightly decreased cerebral blood flow. The present results do not rule out a significant role for sympathetic regulation of cerebral circulation. Sympathetic constriction of the extraparenchymal vessels might be compensated for by secondary dilation of the intraparenchymal vessels elicited by a chemical control (escape phenomenon).
- 東海大学の論文
著者
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Fukuuchi Yasuo
慶応義塾大学 内科
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Fukuuchi Y
Keio Univ. Tokyo Jpn
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Fukuuchi Y
Keio Univ.
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Fukuuchi Yasuo
Department Of Neurology Keio University
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Izumi Yoshio
東海大学 神経内科
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Izumi Yoshio
Department Of Neurology Tokai University School Of Medicine
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ISOZUMI Kazuo
Department of Neurology, School of Medicine, Keio University
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Isozumi K
Ashikaga Red Cross Hospital Tochigi Jpn
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Isozumi Kazuo
Department Of Neurology Ashikaga Red Cross Hospital
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