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目的 调查广州市区老年人肺炎衣原体感染状况。方法 应用微量免疫荧光试验方法测定广州市越秀、天河、海珠和东山区 4 2 2例 60岁以上男性血清肺炎衣原体特异性IgG和IgM抗体。结果 广州市区老年男性肺炎衣原体IgG抗体阳性率为 69 9% ( 2 95 / 4 2 2 )。干休所老年男性为 72 6% ( 2 4 4/ 3 3 6) ,IgG抗体滴度几何均数为 3 5 2± 2 6 8,明显高于健康对照组。结论 广州市区 60岁以上老年人肺炎衣原体自然感染率高。老年人是肺炎衣原体易感人群。临床上应重视老年人肺炎衣原体感染的研究
Objective To investigate the status of Chlamydia pneumoniae infection in elderly people in Guangzhou. Methods The serum levels of IgG and IgM antibodies against Chlamydia pneumoniae in 462 males aged over 60 years in Yuexiu, Tianhe, Haizhu and Dongshan districts of Guangzhou were measured by micro-immunofluorescence assay. Results The positive rate of Chlamydia pneumoniae IgG antibody in elderly men in Guangzhou was 69 9% ( 2 95 / 4 2 2 ). The average age of the retired male was 72 6% (24/36), and the geometric mean IgG antibody titer was 352 ± 26.8, which was significantly higher than that of the healthy control group. Conclusion The natural infection rate of Chlamydia pneumoniae in elderly people over 60 years old in Guangzhou is high. The elderly are susceptible to Chlamydia pneumoniae. Pay attention to the study of Chlamydia pneumoniae infection in the elderly