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肺炎衣原体与慢性阻塞性肺疾病相关性 被引量:11

Correlation between Chlamydia pneumoniae and chronic obstructive pulmonary disease
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摘要 目的探讨肺炎衣原体(Cpn)感染与慢性阻塞性肺疾病(COPD)的临床相关性。方法随机选择COPD急性加重住院患者46例(第1组),COPD稳定期患者35例(第2组),对照组为同期参加呼吸疾病体检的老年人82例。分离外周血单核细胞(PBMC),用直接免疫荧光(DIF)及PCR法检测PBMC中Cpn特异性抗原(Cpn-Ag)和Cpn-DNA。同时用间接微量免疫荧光(MIF)法检测Cpn抗体(IgA、IgG和IgM),用胶乳增强免疫比浊法检测血浆中超敏C-反应蛋白(Hs-CRP)。通过前瞻性病例对照研究来分析Cpn感染与COPD的相关性。结果PCR和DIF两种方法的结果相似,COPD患者组和对照组比较,Cpn感染率差异有统计学意义(P<0.01)。代表急性感染的Cpn-Ag和IgM抗体的检出率第1组比对照组显著增高,代表慢性感染的Cpn-IgA和IgG抗体的检出率第1组和第2组均比对照组显著增高(P<0.01)。Cpn感染第1组患者(n=28)阿奇霉素治疗后的血浆Hs-CRP浓度比治疗前显著降低(3.80±0.59)mg/L和(4.54±0.65)mg/L(P<0.01),但是,在观察期间COPD患者Cpn-Ag和Cpn IgG效价变化无差异。经修正吸烟因素后,慢性Cpn感染和COPD之间差异有统计学意义。结论急性Cpn感染可能是COPD急性加重的一种病原体,而慢性Cpn感染可能是COPD发展的一种独立危险因素,Cpn与COPD相关性的全部临床意义有待进一步研究。 Objective To explore the correlation between Chlamydia pneumoniae(Cpn) infection and chronic obstructive pulmonary disease(COPD).Methods The first group(n=46) consisted of patients who were hospitalized due to an acute exacerbation of COPD.The second group(n=35) of patients with stable COPD.The controls(n=82) were participants in a community survey on respiratory diseases in the elderly.The human peripheral blood mononuclear cells(PBMC) were separated.We used direct immunofluorescence(DIF) or PCR methods to...
出处 《中国感染与化疗杂志》 CAS 2008年第4期260-265,共6页 Chinese Journal of Infection and Chemotherapy
关键词 肺炎衣原体 慢性阻塞性肺疾病 微量免疫荧光 阿奇霉素 Chlamydia pneumoniae Chronic obstructive pulmonary disease Microimmunofluorescence Azithromycin
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参考文献19

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二级参考文献18

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