J INTERN MED:电子鼻用于人群结核病排除检测的效果如何?

2021-03-19 MedSci原创 MedSci原创

电子鼻表现出较有前景的特异性和阴性预测值,因此,可将其开发用于易感人群结核病的排除检测。

为了结束结核病(TB)的流行,需要有效的诊断工具。在既往校准的研究中,便携式电子鼻器(AeonoseTM)在医院环境中被证明是很有前景的工具。近日,内科学领域权威杂志Journal of Internal Medicine上发表一篇研究文章,研究人员评估了这项技术在检测巴拉圭土著人群中结核病的效果。

研究人员招募了131名参与者,并将电子鼻结果与患者的病例和体格检查、胸部X线摄影和分枝杆菌培养结果进行了比较。电子鼻检测分析分成两个阶段进行:首先,结合先前的研究人群和来自新队列的47名参与者进行训练(总计n=153),其次是对84名参与者进行“盲法预测”。

21%参与者(n=131)具有疑似结核病的症状和/或胸部X线异常结果。只有一名患者的嗅觉分析结果为阳性。

在训练模型中,特异性为92%(95%置信区间(CI):85%-96%),阴性预测值(NPV)为95%。在盲法预测模型中,特异性和NPV分别为99%(95%CI:93%-99%)和100%。尽管由于样本量小,无法评估电子鼻的敏感性和阳性预测值,但在随访的一年中未发现任何活动性结核病例。

由此可见,电子鼻表现出较有前景的特异性和阴性预测值,因此,可将其开发用于易感人群结核病的排除检测

原始出处:

Rosarito Coronel Teixeira.et al.The electronic nose as a rule‐out test for tuberculosis in an indigenous population.J INTERN MED.2021.https://doi.org/10.1111/joim.13281

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    2021-03-20 yelinghao215

    很好

    0

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    2021-03-19 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

    0

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