[高原低氧条件下鸽脑局部血流及氧分压的研究]
[The local blood flow and oxygen tension in the brain of pigeons under high-altitude hypoxia].
作者信息
Pavlov N A, Fedotkina T V, Vorob'ev M V, Markovets S P
出版信息
Fiziol Zh SSSR Im I M Sechenova. 1991 Oct;77(10):40-7.
PMID:1666583
Abstract
The effect of barochamber hypoxia on the local blood flow in the pigeon neostriatum caudalum, hypostriatum accessorium, ectostriatum, cerebellum cortex was studied by means of the hydrogen clearance technique. The hypoxia was shown to decrease the oxygen available in the brain tissue and to increase the blood flow. The changes were different in different brain structures. The spectral analysis of the oxygen available fluctuations revealed no regular changes in the temporal pattern of the fluctuations.
摘要
采用氢清除技术研究了气压舱缺氧对家鸽尾侧新纹状体、副纹状体、外纹状体、小脑皮质局部血流的影响。结果表明，缺氧可使脑组织中的氧含量降低，并使血流量增加。不同脑结构的变化有所不同。对氧含量波动的频谱分析显示，波动的时间模式没有规律变化。
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