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[在动脉缺血背景下刺激交感干时的局部血液循环]

[Regional blood circulation during stimulation of the sympathetic trunk against a background of arterial ischemia].

作者信息

Prokhorov G G

出版信息

Fiziol Zh SSSR Im I M Sechenova. 1990 Nov;76(11):1581-5.

PMID:1964430
Abstract

In dogs, the innervation of the sympathetic trunk by pulses 0.5 Hz caused a mild reduction in regional arterial pressure and an uprise in oxygenation of the shin muscle. General and local arterial pressure rose at 20-Hz pulses, and the oxygen level in tissues was lowered. The pulses rate of 20 Hz induced deep disturbances in regional circulation combined with severe and long-term hypoxia and development of metabolic acidosis. In chronic arterial impairment, the regulating influence of the nervous system on regional circulation grows, and the range of its possible functional fluctuations widens. Artificial intrusion in the autonomous nervous system function in arterial ischemia disturbs regional circulation.

摘要

在犬类中,0.5赫兹的脉冲对交感干的神经支配会导致局部动脉压轻度降低以及胫骨肌肉氧合增加。20赫兹脉冲时全身和局部动脉压升高,组织中的氧水平降低。20赫兹的脉冲频率会引发局部循环的深度紊乱,伴有严重且长期的缺氧以及代谢性酸中毒的发展。在慢性动脉损伤时,神经系统对局部循环的调节影响增强,其可能的功能波动范围扩大。动脉缺血时自主神经系统功能的人为干预会扰乱局部循环。

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