目的：建立可靠的缺氧缺血动物模型。
Objective: To establish a novel hypoxia ischemia model of animal.
目的研究新生猪缺氧缺血脑损伤(HIBD)模型的制备。
Objective To develop an improved neonatal piglet model of hypoxic ischemic brain damage (HIBD).
方法采用结扎大鼠颈动脉及进入低氧仓的方法建立脑缺血、缺氧损伤模型；
Methods The model of brain ischemic and hypoxic injuries in rats was established by unilateral carotid artery ligature just for 2 h.
目的建立急性脑缺氧缺血的动物模型。
Objective To replicate the acute hypoxic ischemic brain damaged animal model.
②对异丙肾上腺素所致急性心肌缺血小鼠缺氧存活时间的影响：采用异丙肾上腺素皮下注射制备小鼠急性心肌缺血模型，观察各组小鼠常压耐缺氧存活时间。
The model of mice with acute myocardial ischemia was made by subcutaneous injection of Iso in order to observe the survival time in normobaric hypoxia of mice in each group.
②对异丙肾上腺素所致急性心肌缺血小鼠缺氧存活时间的影响：采用异丙肾上腺素皮下注射制备小鼠急性心肌缺血模型，观察各组小鼠常压耐缺氧存活时间。
The model of mice with acute myocardial ischemia was made by subcutaneous injection of Iso in order to observe the survival time in normobaric hypoxia of mice in each group.
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