Diagnostic accuracy of nucleic acid amplification tests in urine for pulmonary tuberculosis: a meta-analysis.

Diagnostic accuracy of nucleic acid amplification tests in urine for pulmonary tuberculosis: a meta-analysis.
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DOI:
10.5588/ijtld.15.0209
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发表时间:
2015-11
期刊:
The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease
影响因子:
--
通讯作者:
John-Stewart G
John-Stewart G
中科院分区:
其他
文献类型:
--
作者:
Marangu D;Devine B;John-Stewart G

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目的探讨尿液核酸扩增试验(NAAT)对活动性肺结核(PTB)患者的诊断价值。系统综述和荟萃分析。截至2015年5月,在没有年龄或设置限制的情况下搜索了电子数据库和参考文献清单。符合条件的文章检测了以痰培养为参考标准的诊断肺结核患者尿样中的结核分枝杆菌NAATs,并报告了足够的数据来分别计算敏感性或特异性。8项研究包括来自7个国家的1212名参与者,他们的平均年龄从28岁到48岁不等。以插入序列(IS)6110、rpoB或cfp32/hf6为基因靶点的聚合酶链式反应(PCR)用于NAAT。合并敏感度和特异度分别为0.55(95%CI为0.36~0.72)和0.94(95%CI为0.78~0.99),对人类免疫缺陷病毒阳性个体的敏感性略高,为0.59(95%CI为0.20~0.89)。痰镜检阳性者的敏感度高于阴性者。低于−70°C、离心机转速5000rpm和IS6110的储存温度增加了对Meta回归的敏感性。尿结核分枝杆菌聚合酶链式反应诊断活动性肺结核具有较高的特异性,但敏感性不高(55%)。优化标本处理、基因靶标或聚合酶链式反应技术可能会提高诊断的准确性。需要可再现性数据。
To determine the diagnostic accuracy of tuberculosis (TB) nucleic acid amplification tests (NAATs) in urine samples for individuals with active pulmonary tuberculosis (PTB). Systematic review and meta-analysis. Electronic databases and reference lists were searched without age or setting restrictions up to May 2015. Eligible articles examined Mycobacterium tuberculosis NAATs in urine samples for PTB diagnosis in patients with sputum culture as the reference standard, and reported sufficient data to separately calculate sensitivity or specificity. Eight studies, including 1212 participants from seven countries with a mean age ranging from 28 to 48 years, were included. Polymerase chain reaction (PCR) with insertion sequence (IS) 6110, rpoB or cfp32/hf6 as gene targets was used for NAATs. The pooled sensitivity and specificity was respectively 0.55 (95%CI 0.36–0.72) and 0.94 (95%CI 0.78–0.99), with slightly higher sensitivity in human immunodeficiency virus positive individuals, at 0.59 (95%CI 0.20–0.89). Sensitivity was higher in sputum microscopy-positive than -negative individuals. Storage temperatures below −70°C, centrifuge speed <5000 rpm and IS6110 increased sensitivity on meta-regression. Urine M. tuberculosis PCR for active PTB diagnosis had high specificity but modest sensitivity (55%). Optimizing specimen handling, gene targets or PCR techniques may improve diagnostic accuracy. Reproducibility data are needed.
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