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人体低碳酸血症时大脑大动脉的反常扩张。

Paradoxical dilation of the large cerebral arteries in hypocapnia in man.

作者信息

Radü E W, du Boulay G H

出版信息

Stroke. 1976 Nov-Dec;7(6):569-72. doi: 10.1161/01.str.7.6.569.

DOI:10.1161/01.str.7.6.569
PMID:1006731
Abstract

By grouping patients who had carotid angiograms under unusually carefully monitored conditions it has been shown that hypocapnia is associated with vasodilation at low blood pressure but not at high blood pressure. The mechanism is discussed in general terms and it is suggested that the hypocapnic vasodilation may be a response to cerebral hypoxia and may be transmitted via an intracerebral autonomic pathway. Clinical and angiographical diagnoses are given for 50 patients.

摘要

通过对在异常严密监测条件下进行颈动脉血管造影的患者进行分组研究发现,低碳酸血症在低血压时与血管舒张有关,而在高血压时则不然。文中对其机制进行了一般性讨论,并提出低碳酸血症性血管舒张可能是对脑缺氧的一种反应,且可能通过脑内自主神经通路传递。给出了50例患者的临床和血管造影诊断结果。

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