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目的了解天津蓟县山林地区莱姆病在人群中的分布和感染状况。方法采用间接免疫荧光试验对该县3个地区10个调查点的居民进行血清流行病学调查,并用PCR方法对临床确诊的莱姆病患者进行病原检测。结果共收集人群血清标本905份,抗莱姆病螺旋体抗体(IgG)阳性率5.97%。经临床和血清学诊断为莱姆病患者25例,其主要临床表现为关节炎、慢性游走性红斑、面神经麻痹、多发性神经炎、脑膜炎和心脏损害等。收集25例患者的尿液,进行PCR检测,1例阳性。结论天津蓟县林区人群中有莱姆病的发生和流行,可能存在莱姆病的自然疫源地。
Objective To understand the distribution and infection status of Lyme disease among the population in Jixian mountainous area of Tianjin. Methods The indirect immunofluorescence test was used to investigate the seroprevalence of residents in 10 survey sites in 3 districts of the county and to detect the pathogen of Lyme disease clinically diagnosed by PCR. Results A total of 905 serum samples were collected and the positive rate of anti-Lyme disease antibody (IgG) was 5.97%. Clinical and serological diagnosis of Lyme disease in 25 patients, the main clinical manifestations of arthritis, chronic migratory erythema, facial paralysis, polyneuritis, meningitis and heart damage. Urine from 25 patients was collected and tested by PCR. One patient was positive. Conclusion The incidence and prevalence of Lyme disease in the population of Jixian County in Tianjin may be the natural foci of Lyme disease.