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目的探讨急性脑血管病的发病与季节、气温及年龄的关系。方法对１５８４例急性脑血管病患者（出血组５４３例，缺血组１０４１例）发病时的季节、气温及年龄进行回顾性分析。结果出血组病人在１、７、１１月份，即低温、高温或气温骤变时发病率增高（Ｐ＜０．０１），且尤以气温突降时明显（Ｐ＜０．０５）。缺血组病人在６、７、８、９、１０月份，即夏季发病率增高（Ｐ＜０．０１），尤以气温突升时明显（Ｐ＜０．０５）。急性脑血管病的发病年龄８７．９％在５０～７０岁。结论５０岁以上的中老年人，在冬季、夏季，尤其气温骤变时易发生急性脑血管病。
Objective To investigate the relationship between the incidence of acute cerebrovascular disease and the season, temperature and age. Methods The season, air temperature and age of 1584 patients with acute cerebrovascular disease (543 cases of bleeding group and 1041 cases of ischemic group) were analyzed retrospectively. Results The bleeding rate was significantly higher in January, July and November when the temperature was lower than that of the control group (P <0.01), especially when the temperature dropped suddenly (P <0.05). In ischemic group, the incidence of the disease increased in June, July, August, September and October (P <0.01), especially in the sudden increase of temperature (P <0.05). The incidence of acute cerebrovascular disease was 87.9% at 50 to 70 years of age. Conclusion Middle-aged and over 50-year-old people are prone to acute cerebrovascular disease in winter and summer, especially when the temperature is suddenly fluctuating.