脑血管病(Cerebrovascular disease,CVD)是全球第二大致死病因和第一致残病因,其发病年内病死率高达2l%~27%,存活者中约15%~30%致残~[1],给社会和家庭带来沉重的负担。脑梗死(Cerebral infarct)是脑血管病最常见类型,约占CVD的70%。对急性脑梗死患者病情进行早期评价,可以提供更合理的治疗措施,更合理的配置医疗资源~[2]。然而,仅仅根据患者临床症状特点难以准确预测脑血管病患 Cerebrovascular disease (CVD) is the second leading cause of death and first disability in the world with an annual mortality rate of 21% -27% and about 15% -30% of survivors. , Bring heavy burden to society and family. Cerebral infarction is the most common type of cerebrovascular disease, accounting for about 70% of CVD. The early assessment of the condition of patients with acute cerebral infarction can provide more reasonable treatment measures and more rational allocation of medical resources [2]. However, it is difficult to accurately predict cerebrovascular disease based on the clinical features of patients