CEREBRAL HEMODYNAMIC-CHANGES DURING PLATEAU WAVES IN BRAIN-TUMOR PATIENTS

被引:31
作者
MATSUDA, M
YONEDA, S
HANDA, H
GOTOH, H
机构
关键词
D O I
10.3171/jns.1979.50.4.0483
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The plateau wave, one of the wave forms observed in patients with increased intracranial pressure, has previously been extensively investigated, but its pathophysiological aspect is as yet unclear. The authors undertook a study of cerebral hemodynamic changes while the plateau waves were observed in five brain-tumor patients. Although the number of cases studied was small, a remarkable decrease in cerebrovascular resistance was seen in all patients during the plateau waves. It is suggested that the plateau waves are caused by a marked cerebral vasodilation. The present results support the thesis that cerebral blood volume is increased during the plateau waves. The plateau waves are closely related to the intrinsic vasomotor control of cerebral circulation, and can occur as long as cerebral vasodilating ability is maintained, irrespective of the existence of cerebral autoregulation.
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页码:483 / 488
页数:6
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