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目的分析辽宁省丹东市2010-2015年发热伴血小板减少综合征(SFTS)的流行特征,为制定预防控制措施提供依据。方法采用描述流行病学方法对丹东市2010-2015年实验室确诊的SFTS病例进行流行特征分析。结果 2010-2015年丹东市共报告SFTS实验室确诊病例101例,死亡5例,病死率为4.95%;患者发病时间主要在5-10月,6-9月为高峰期,分布在5个县(市、区)、37个乡镇,流行区域呈山区丘陵地带向平原地区延伸趋势;2010-2014年,每年病例以男性、中老年和农民为主,2015年农村中青年女性高发;32例患者发病前有明确的蜱叮咬史,2例患者为兄妹关系,有血液接触史;患者以发热、全身酸痛、头痛、乏力、恶心、腹痛、腹泻、关节痛等症状为主。结论 SFTS发病具有明显地域特征和季节性,在丹东市广泛分布,且2015年主要发病人群发生改变,需采取综合防制措施进行预防控制。
Objective To analyze the epidemiological characteristics of fever with thrombocytopenia syndrome (SFTS) in Dandong City, Liaoning Province from 2010 to 2015 and provide evidence for the development of prevention and control measures. Methods Descriptive epidemiological methods were used to analyze the prevalence of laboratory-confirmed SFTS from 2010-2015 in Dandong. Results A total of 101 SFRS cases were reported in Dandong from 2010 to 2015, with 5 deaths and a case fatality rate of 4.95%. The onset time was mainly in May-October and June-September as the peak, which was distributed in 5 counties (Cities and districts) and 37 townships. The prevalence of the epidemic area was in the mountainous hilly region extending to the plains. From 2010 to 2014, the annual cases were mainly male, middle-aged and peasants. In 2015, the number of middle-aged and young women in rural areas was high. In 32 patients Before the onset of a clear history of tick bites, 2 patients were brother-sister relationship, history of blood exposure; patients with fever, body aches, headache, fatigue, nausea, abdominal pain, diarrhea, joint pain and other symptoms based. Conclusion The incidence of SFTS has obvious regional characteristics and seasonal distribution. It is widely distributed in Dandong City. In 2015, the incidence of major diseases changed. Comprehensive prevention and control measures should be taken for prevention and control.