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目的：探讨７０岁以上老年人ＡＣＩ的临床特点、ＣＴ改变与预后。方法：８１例７０岁以上经ＣＴ证实的ＡＣＩ与７２例７０岁以下者比较，对起病状态，起病到就诊时间、临床表现、危险因素、ＣＴ改变，预后等资料进行统计分析。结果：本组８１例多数起病于安静状态或睡眠中，在超急性期就诊者仅占２２．７％。临床表现以肢体无力和头昏头晕最多见，梗塞部位以基底节区和脑叶梗塞最多。结论：≥７０岁老人ＡＣＩ死亡率高，住院时间明显长于＜７０岁组。
Objective: To investigate the clinical features, CT changes and prognosis of ACI in the elderly over 70 years old. Methods: 81 cases of ACI over 70 years of age confirmed by CT and 72 cases under 70 years of age, onset, onset to treatment time, clinical manifestations, risk factors, CT changes, prognosis and other data were analyzed. Results: The majority of 81 cases of onset in the quiet state or sleep, the patients in the hyperacute phase accounted for only 22.7%. Clinical manifestations of limb weakness and dizziness and dizziness most common infarction to basal ganglia and cerebral infarction up. Conclusion: The mortality rate of ACI of 70-year-olds is higher than that of 70-year-olds.