中国三城市社区人群脑卒中发病类型的分布特征

目的：分析我国脑卒中发病类型的分布特征。方法：在长沙、北京和上海三城市社区30万人群中,采用前瞻性监测和综合干预研究,对首次发生脑卒中的2570例患者进行分型诊断。结果：出血性卒中和缺血性卒中及难分类型卒中分别占37．1％、62．3％和0．6％;50岁以前出血性卒中占50％以上;干预社区出血性和缺血性卒中发病率均低于监测社区。结论：中年人特别是50岁以下人群应重视出血性卒中的危害,50岁以上的人群的预防重点应放在缺血性卒中方面。干预社会出血性和缺血性卒中5年平均发病率低于监测社区。

Distribution characteristics of types of stroke in three urban area in China

Objective To analyze the distribution characteristics of types of stroke in china Methods A prospective study and comprehensive prevention were conducted in urban communities with 300 000 people in Changsha, Beijing and Shanghai, and 2 570 case of stroke at their first occurance were selected with established typing diagnosis. Results Hemmorhagic, ischemic, and unclassified stroke accounted for 37 1%, 62 3%, and 0 6% respectively The proportion of hemmorhagic stroke was more than 50 percent among persons under 50 The average yearly incidence of stroke was 142 3/100 thousand in the intervention areas and was 187 0/100 thousand in the control areas Conclusion Prevention should be focused on hemorrhagic stroke for those aged over 50 and on ischemic stroke for those aged less than 50 The average incidence rates of hemmorrhagic and of ischemic stroke were lower in the intervention area than in the control area