目的研究缺氧缺血新生猪凝血状态，以及部分凝血因子促凝活性的动态变化，探讨缺氧缺血性脑损伤（HIBD）时凝血功能变化。

Objective To investigate the changes of blood coagulation state and some prothrombin's function in newborn piglets at different time after hypoxic-ischemic brain damage (HIBD).

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新生儿出血症是凝血因子促凝活性减低，个数减少的出血性疾病。

Therefore, 1. The hemorrhagic disease of the newborn correlation with vigour liver and number decreased of thrombin factor.

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