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呼吸道感染患儿咽拭子MP-DNA及血MP-IgM检测意义

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摘要 目的探讨肺炎支原体DNA(MP-DNA)、肺炎支原体(MP)抗体lgM(MP-IgM)的检测意义,为临床的诊断治疗提供依据。方法采用MP荧光定量PCR法检测其呼吸道分泌物标本中MP-DNA水平,采用明胶颗粒凝集法检测呼吸道感染患儿血清中MP-IgM抗体,并结合临床资料进行分析。结果患儿咽拭子标本MP-DNA检测阳性率显著高于血清中MP-IgM抗体检测阳性(<0.05)。临床发现MP-IgM抗体稀释倍数越高,临床症状相对越重,持续发热时间较长,下呼吸道感染发生率较高,各种并发症出现率也越高。MP-IgM抗体滴度越高,出现肺外症状者越多,临床治疗时间亦随抗体滴度升高而延长。结论咽拭子MP-DNA的PCR检测对儿童MP感染的早期、快速诊断具有重要的参考价值,而血MP-IgM的检测对临床治疗及预后判断提供了依据。
作者 胡坚锋
机构地区 慈溪市人民医院
出处 《现代实用医学》 2011年第6期634-635,640,F0002,共4页 Modern Practical Medicine
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