Objective To investigate the stroke classification of different age groups in Ganzi Tibetan Autonomous Prefecture,Sichuan Province in order to provide a basis for targeted prevention and treatment of stroke in the area. Methods From October 2011 to June 2014,a cross-sectional survey was used for cluster sampling and stratified sampling in 10000 residents,farmers,and herdsmen in Dege,Ganzi,Litang, Batang,and Kangding counties,Ganzi Tibetan Autonomous Prefecture,Sichuan Province. The questionnaires were used to collect demographic characteristics,stroke,hypertension,and other information. A total of 9186 effective questionnaire responders were enrolled. According to their ages,they were divided into five groups (18-29,-39,-49,-59,and ≥60 years). The included respondents in each group were 2492,2356, 2161,943,and 1234,respectively. Strokes were classified as transient ischemic attack,cerebral infarction, cerebral hemorrhage, and subarachnoid hemorrhage groups. The differences in the prevalence among the groups used chi-square test. Results In 9186 subjects, 4584 ( 49. 9%) were females and 4602(50. 1％) were males. There were 174 patients with stroke,the prevalence was 1. 89％. The incidences of stroke in 5 age groups from small to large were 0. 08％％ (2/2492),0. 68％ (16/2356),1. 39％ (30/2161),2. 65％ (25/943),and 8. 18％ (101/1234),respectively. There were significant differences in the incidence of cerebrovascular diseases in different age groups (χ2 =693. 72,P<0. 01). The proportions of cerebral infarction,intracerebral hemorrhage,transient ischemic attack,and subarachnoid hemorrhage in the classification of stroke were 44.2％ (n=77),43.7％ (n=76),7.5％ (n=13),and 4.6％ (n=8),respectively. The prevalence of hypertension in the above stroke types were 77. 9％ (60/77),94. 7％(72/76),7/13 and 5/8,respectively. Conclusions The prevalence of cerebrovascular diseases is high in Ganzi Tibetan Autonomous Prefecture,Sichuan Province,and hemorrhagic stroke is significantly higher, the incidence of hypertension is the highest,which suggests that hypertension is an important risk factor for high incidence of hemorrhagic stroke in the local area. It is necessary to do a good job of health education on stroke according to the characteristics of local stroke%目的 调查四川省甘孜藏族自治州不同年龄人群卒中分类,为该地区有针对性防治卒中提供依据.方法 2011年10月至2014年6月采用横断面调查方法,整群、分层抽样四川省甘孜藏族自治州的德格、甘孜、理塘、巴塘、康定5个县居民和农牧民1万名,采用问卷方式收集人口学特征、卒中、高血压病等信息,纳入有效问卷完成者9186名,按年龄段分为18～29、～39、～49、～59、≥60岁5组,每组纳入调查对象分别为2492、2356、2161、943、1234名.卒中分类为短暂性脑缺血发作、脑梗死、脑出血、蛛网膜下腔出血.组间患病率差异采取χ2检验.结果 9186名调查对象中,男4602名,占50.1%;女4584名,占49.9％.卒中患者174例,患病率为1.89％,由小到大5个年龄组的卒中患病率分别为0.08％(2/2492)、0.68％(16/2356)、1.39％(30/2161)、2.65％(25/943)和8.18％(101/1234),不同年龄段脑血管病患病率差异有统计学意义(χ2=693.72,P<0.01).卒中分类中脑梗死、脑出血、短暂性脑缺血发作、蛛网膜下腔出血所占比例分别为44.2％(77例)、43.7％(76例)、7.5％(13例)、4.6％(8例),以上卒中类型中高血压病患病率分别为77.9％(60/77)、94.7％(72/76)、7/13和5/8.结论 四川省甘孜藏族自治州脑血管病患病高,并且出血性卒中明显高发,其高血压病患病率也最高,提示高血压病是当地出血性卒中高发的重要危险因素,应根据当地卒中发病特点有针对性地做好卒中健康教育工作.
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