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脑组织对缺血缺氧的耐受性差，如何提高脑组织对缺血缺氧的耐受性，是当前正在研究的一个热门课题。现已证实，短暂的低氧或（和）缺血预适应可减轻随后发生的低氧或（和）缺血性损伤。我们观察了短暂的脑缺氧对脑缺血再灌注大鼠血脑屏障通透性的影响，现报道如下。一、材料和
Brain tissue is poorly tolerated by hypoxia and hypoxia, and how to improve the tolerance of brain tissue to hypoxia and hypoxia is a hot topic currently under study. It has been demonstrated that transient hypoxic or (and) ischemic preconditioning can reduce subsequent hypoxic or (or) ischemic injury. We observed the effects of brief cerebral hypoxia on the permeability of the blood-brain barrier in rats with cerebral ischemia-reperfusion, are reported below. First, the material and