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急性脑血管病是一组急剧发病，易导致死亡或症状可持续２４ｈ的局部脑血管病，又称脑卒中或中风，病死率很高，致残率也高，占 １９９４年我国城市人口死因的首位［１」。我国每年新发生的脑卒中患者大约１３０－１５０万人，其中７５％是缺血性卒中，随着人类生存寿命的延长，
Acute cerebrovascular disease is a group of local cerebrovascular diseases that are rapidly onset and can easily lead to death or symptoms for 24 hours, also known as stroke or stroke. The mortality rate is very high and the morbidity rate is also high, accounting for the death of urban population in China in 1994 The first [1]. About 1.3-1.5 million new stroke patients occur each year in our country, of which 75% are ischemic stroke. As the life span of human beings increases,