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目的 :探讨肺炎衣原体 (Cpn)急性感染在呼吸道疾病中的重要性。 方法 :用微量免疫荧光试验检测血清中 Cpn抗体 Ig G。 结果 :35 .5 %呼吸道疾病存在 Cpn急性感染。在肺炎组抗体 (效价≥ 5 12 )阳性率为 47.6 % ,提示 1998年至 1999年可能处在北京市 Cpn流行期 ;在哮喘组的阳性率达到 5 0 % ;在肺心病组和肺癌组的阳性率分别为 5 0 .0 %和 2 6 .3%。 结论 :检测 Cpn抗体 Ig G有助于对 Cpn急性感染进行确诊 ,从而指导临床用药。
Objective: To investigate the importance of acute infection of Chlamydia pneumoniae in respiratory diseases. Methods: Serum Cpn antibody Ig G was detected by micro-immunofluorescence assay. Results: 35.5% of respiratory diseases had Cpn acute infection. In the pneumonia group, the positive rate of antibody (titer ≥ 512) was 47.6%, suggesting that it may be in the prevalence period of Cpn in Beijing from 1998 to 1999; the positive rate in asthma group reached 50%; in the group of pulmonary heart disease and lung cancer The positive rates were 50.0% and 26.3%, respectively. Conclusion: The detection of CpG IgG can help confirm the acute infection of Cpn and guide clinical application.