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Real-time PCR技术结合浓缩涂片染色法用于结核病快速诊断的研究

Chinese Journal of Misdiagnostics(2010)

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Abstract
目的:评价Real-time PCR技术结合浓缩涂片染色法对结核病快速诊断的应用价值.方法:应用Real-time PCR技术结合浓缩涂片染色法组合测定1 052份临床标本,并与直接涂片法、BACTEC MGIT-960快速培养法结果进行比较.结果:Real-time PCR技术结合浓缩涂片染色法的阳性检出率30.6%,显著高于直接涂片法的19.2%(χ2=36.6,P<0.01),而接近于BACTEC-960培养法的34.9%(χ2=2.5,P>0.05),而且检测时间明显缩短为4 h;以BACTEC MGIT-960培养鉴定结果为标准评价,Real-time PCR技术结合浓缩涂片染色法的敏感性为89.7%(280/312),特异性为94.3%(698/740),符合率为93.0%(978/1 052).结论:Real-time PCR技术结合浓缩涂片染色法用于结核分枝杆菌检测快速简便,具有很高的敏感性和特异性,在结核病早期诊断中有重要的临床价值.
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Key words
Tuberculosis/diagnosis,Polymerase Chain Reaction/methods,Staining and Labeling
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