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2种艰难梭菌感染检测方法的比较与分析 被引量:1

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摘要 目的比较酶联免疫荧光分析(ELFA)与实时荧光定量PCR(PCR)2种艰难梭菌感染(Clostridium difficile infection,CDI)检测方法的检验性能,从中选择灵敏度高、特异性好且操作简便的CDI检验方法开展临床检验。方法对来自重症监护病房(ICU)、消化内科及感染科等临床科室的126份粪便标本进行艰难梭菌毒素或基因检测。以产毒培养试验(toxigenic culture,TGC)结果作为参考标准,评价ELFA与PCR方法的性能,同时分析我院及各科室的CDI流行情况。结果 TGC检测126份腹泻患者的粪便标本,阳性率为19.0%(24/126),其中ICU、消化内科感染率较高。ELFA和PCR方法的检测敏感性分别为66.7%和91.7%,差异有统计学意义(χ2=4.55,P<0.05);特异性、阳性预测值、阴性预测值与准确度差异无统计学意义。结论我院CDI形势较为严峻,以ICU和消化内科最为突出。PCR与ELFA均能够提供更为准确、可靠的检测结果,但前者敏感性较好。
机构地区 解放军第
出处 《临床检验杂志》 CAS CSCD 北大核心 2014年第8期632-633,共2页 Chinese Journal of Clinical Laboratory Science
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参考文献5

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