三种方法对儿童肺炎支原体感染诊断的动态评价

被引:33
作者
卢志威 [1 ]
赵辉 [1 ]
郑跃杰 [1 ]
陈小文 [2 ]
温锦江 [2 ]
张民 [2 ]
机构
[1] 遵义医学院深圳市儿童医院呼吸科
[2] 深圳市儿童医院儿科研究所
关键词
肺炎支原体; 动态评价; 诊断; 儿童;
D O I
暂无
中图分类号
R725.6 [小儿呼吸系及胸部疾病];
学科分类号
100202 ;
摘要
目的评价荧光定量PCR(FQ-PCR)检测肺炎支原体(MP)-DNA(MP-DNA),酶联免疫吸附试验(ELISA)检测MP-IgM,以及MP快速培养三种方法对儿童MP感染诊断的临床价值。方法对经临床和实验室诊断MP感染的患儿同时进行三种方法检测。并分别在病程1、3个月时重复检测。结果 MP感染患儿共153例。入院时首次检测,FQ-PCR阳性率为96%,ELISA为71%,MP快速培养法为24%。其中MP快速培养法的检出率在≤3岁组明显高于>3岁组,差异有统计学意义(P<0.05)。随访至1个月时,MP-DNA检测结果仍有50%以上阳性,而MP-IgM则保持较高的阳性率,此时仍然有44例(29%)患儿存在咳嗽,其中28例(64%)MP-DNA和MP-IgM均为阳性。随访至3个月时有4例(3%)患儿仍存在咳嗽,2例(50%)MP-DNA和MP-IgM均为阳性。结论在三种诊断儿童MP感染的方法中,FQ-PCR检测MP-DNA最敏感,其次为ELISA检测MP-IgM抗体,MP快速培养敏感性最低。MP-IgM检测阳性率至3个月时仍然维持较高水平。
引用
收藏
页码:382 / 385
页数:4
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