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分析2011-2014年济南市发热伴血小板减少综合征(SFTS)疫情资料和流行病学调查资料,为制定科学的防控策略提供依据。采用描述流行病学方法对济南市73例发热伴血小板减少综合征病例的发病诊治情况和流行病学特征进行分析。结果显示,2011-2014年,济南市累计报告发热伴血小板减少综合征病例73例,死亡13例。发热为首发症状,所有病例均有发热,平均体温为38.7℃。大部分病例有乏力(84.93%)、畏寒(57.53%)、全身酸痛(57.53%)等非特异性症状。患者住院前平均就诊次数为2.64次,第一次就诊在村卫生室的占65.75%;发病至住院的时间为0~16d,平均5.34d。患者入院时白细胞和血小板减少的病例分别占75.34%和72.60%。章丘市(38例)、历城区(14例)和长清区(10例)报告病例最多,发病主要集中在9个乡镇(街道办事处),占病例总数的64.38%。6~8月发病占72.60%。男女性别发病比为1.70∶1;55~74岁发病占75.34%;农民发病占87.67%。病例居住地为丘陵的占82.19%,一个月内在居住地见过蜱的占58.90%,被蜱叮咬过的27.40%。发病前两周内有户外活动史的占86.30%。家中饲养动物的占79.45%。济南市发热伴血小板减少综合征发病较为平稳,发病有明显季节性和人群特征,章丘、历城和长清为济南市发热伴血小板减少综合征的自然疫源地。
To analyze the epidemiological data and epidemiological investigation data of fever with thrombocytopenia syndrome (SFTS) in Jinan City from 2011 to 2014, and provide the basis for the formulation of scientific prevention and control strategies. Epidemiological methods were used to analyze the diagnosis and treatment of 73 cases of fever with thrombocytopenia in Jinan and the epidemiological characteristics. The results showed that in 2011-2014, Jinan City, a total of fever and thrombocytopenia syndrome reported 73 cases, 13 patients died. Fever is the first symptom, all cases have fever, the average body temperature is 38.7 ℃. Most cases have nonspecific symptoms such as fatigue (84.93%), chills (57.53%), body aches (57.53%). The average number of visits before hospitalization was 2.64, with 65.75% of them visited the village clinics for the first time. The time from hospitalization to hospitalization was 0-16 days with an average of 5.34 days. Patients admitted leukocytes and thrombocytopenia cases accounted for 75.34% and 72.60%. Zhangqiu City (38 cases), Licheng District (14 cases) and Changqing District (10 cases) reported the largest number of cases, the incidence was mainly concentrated in nine towns (neighborhood offices), accounting for 64.38% of the total number of cases. 6 ~ August incidence accounted for 72.60%. Male and female sex ratio was 1.70:1; incidence of 55-74 years old accounted for 75.34%; incidence of peasants accounted for 87.67%. 82.19% of the cases lived in hills, 58.90% of them had seen ticks in their place of residence, and 27.40% of those ticked by ticks. There are 86.30% of the history of outdoor activities in the two weeks before onset. Family farming animals accounted for 79.45%. Jinan City, fever and thrombocytopenia syndrome is relatively stable, the incidence of seasonal and population characteristics were obvious, Zhangqiu, calendar and Changqing City, Jinan fever and thrombocytopenia syndrome natural foci.