[摘要] 目的 探讨儿科肺炎患儿支气管肺泡灌洗液中肺炎支原体感染情况。方法 回顾分析该院2015年1月—2017年6月所有送检168例。利用PCR方法检测肺泡灌洗液样本肺炎支原体DNA，按不同年龄、性别统计分析阳性率，并分析有无差异。结果 168例肺泡灌洗液检测肺炎支原体总阳性率为25.6%，男性患儿阳性率为27.4%，女性患儿阳性率为23.3%，而且都是4～6岁年龄段阳性率最高，达到53.3%，小于1岁年龄段阳性率最低。结论 肺泡灌洗液检测肺炎支原体总阳性率无性别差异，各年龄段感染率有差异。

    [关键词] 肺炎；肺泡灌洗液；肺炎支原体

    [中图分类号] R5 [文献标识码] A [文章编号] 1674-0742(2018)01(c)-0033-03

    [Abstract] Objective This paper tries to investigate the infection of mycoplasma pneumoniae and bronchoalveolar lavage fluid in children with pneumonia. Methods Retrospective analysis of this hospital from January 2015 to June 2017 of all 168 cases of submission was conducted. The Mycoplasma pneumoniae DNA in bronchoalveolar lavage fluid was detected by PCR ......