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Updated: May 24, 2025

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Diagnosing Pulmonary Tuberculosis with the Xpert MTB/RIF Test
Published on: April 9, 2012
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通过 Xpert MTB 主体响应在一个结核病低流行性,高资源环境下改善了肺外结核病和肺肺结核病的检测
E Folkesson1,2, G Fröberg1,3, C Sundling1,2,4
1Division of Infectious Diseases, Department of Medicine Solna, Karolinska Institutet, Stockholm Sweden.
The Journal of infectious diseases
|March 5, 2025
概括
专家的MTB-宿主反应 (MTB-HR) 显示出对诊断肺外结核 (EPTB) 和肺肺结核 (PTB) 的可能性. 这种非唾液测试提供了高负预测值,有助于排除EPTB并改善PTB检测.
科学领域:
- 传染性疾病 传染性疾病
- 分子诊断学 分子诊断学
- 宿主-病原体相互作用
背景情况:
- 专家MTB-主体反应 (MTB-HR) 符合世卫组织对高细菌负载的肺结核 (PTB) 的目标.
- 由于诊断的复杂性,研究MTB-HR用于诊断肺外结核 (EPTB) 和肺外结核 (PTB) 是至关重要的.
研究的目的:
- 评估MTB-HR作为EPTB和PTB的非唾液,近点治疗 (POC) 诊断方法的实用性.
- 评估不同患者组的MTB-HR表现,超出高细菌负荷PTB.
主要方法:
- 在瑞典斯德哥尔摩对307名可能患有结核病的人进行前性研究.
- 同时进行静脉和毛细血管MTB-HR测试,并进行临床,微生物学,放射学和生物化学评估.
- 进行ROC分析,以确定PTB和EPTB病例中灵敏度和特异性的最佳切断值.
主要成果:
- 在PTB (AUC 0.84) 和EPTB (AUC 0.82) 确诊病例中,MTB-HR表现相似.
- 观察到EPTB (95%) 和PCR阴性PTB (94%) 的高负预测值 (NPV).
- 静脉和毛细血管MTB-HR样本结果之间的良好相关性 (r=0.97).
结论:
- 毛细管Xpert MTB-HR增强了唾液PCR阴性,培养验证的PTB的检测.
- MTB-HR显示出作为EPTB的排除测试的潜力.
- 一个分级的MTB-HR得分可能比二进制结果提供更大的临床相关性.
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