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[实验性心肌梗死时阻力动脉收缩反应降低及舒张反应增强：缺氧适应对该现象的影响]

[Decrease in constrictor response and increase in dilator response of the resistant artery in experimental myocardial infarction: effect of adaptation to hypoxia on this phenomenon].

作者信息

Meerson F Z, Mashina S Iu, Lapshin A V, Manukhina E B

出版信息

Biull Eksp Biol Med. 1993 May;115(5):464-6.

PMID:8043820
Abstract

After adaptation to hypoxia experimental myocardial infarction does not result in enhanced vasodilatory responses of isolated tail artery from rat to acetylcholine and isoproterenol. At the same time the vascular reactivity to norepinephrine and phenylephrine is enhanced. These data may explain the previously described improvement in postinfarction time course of the blood pressure due to preliminary adaptation to hypoxia.

摘要

在适应低氧后，实验性心肌梗死不会导致大鼠离体尾动脉对乙酰胆碱和异丙肾上腺素的血管舒张反应增强。与此同时，血管对去甲肾上腺素和去氧肾上腺素的反应性增强。这些数据可能解释了先前描述的由于预先适应低氧而导致的梗死后期血压改善情况。

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