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根据中国六城市神经系统疾病的流行病学调查,完全性卒中的患病率为620/10万,短暂性缺血发作 (TIA)180/10万,脑血管疾病的年死亡率为89/10万。它表明我国脑血管疾病的患病情况是较严重的。美国1975年的卒中死亡率为93/10万,澳大利亚为111/10万。在西方,大约有3/4的缺血性脑疾病是由颈动脉病变引起的。在中国,缺血性脑梗塞占脑血管疾病的74％。过去认为中国人由于颈动脉颅外段狭窄所造成的脑缺血较西方为少,这种看法还有待于大规模调查证实。
According to the epidemiological survey of neurological diseases in six cities in China, the prevalence of complete stroke was 620 / 100,000, the number of TIA was 180 / 100,000 and the annual mortality rate of cerebrovascular diseases was 89/10 Million It shows that the prevalence of cerebrovascular disease in our country is more serious. The U.S. stroke death rate in 1993 was 93/10 million and in Australia it was 111/10 million. In the West, about three-quarters of ischemic brain diseases are caused by carotid artery disease. In China, ischemic stroke accounts for 74% of all cerebrovascular diseases. In the past, Chinese people think that due to the extracranial carotid stenosis caused by cerebral ischemia less than the West, this view has yet to be confirmed by large-scale investigations.