Evaluation of the performances of twelve rapid diagnostic tests for diagnosis of HIV infection in Yaounde, Cameroon

Evaluation of the performances of twelve rapid diagnostic tests for diagnosis of HIV infection in Yaounde, Cameroon
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DOI:
10.1016/j.jviromet.2017.02.008
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发表时间:
2017-05-01
影响因子:
3.1
通讯作者:
Vernet, Guy
Vernet, Guy
中科院分区:
医学4区
文献类型:
--
作者:
Njouom, Richard;Ngono, Laure;Vernet, Guy

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根据世界卫生组织/联合国艾滋病规划署的建议,可接受的艾滋病毒快速诊断测试(RDT)必须具有≥99%的敏感性和≥98%的特异性。鉴于市场上不断发布用于 HIV 检测的新 RDT 以及喀麦隆的高 HIV 遗传多样性,监测其在该环境中的表现很有趣。总共使用 240 个 HIV 阳性(包括 219 个 HIV-1 M、15 个 HIV-1 0、1 个 HIV-1 N、1 个 HIV-1 M/O 重组体和 4 个 HIV-2)和 240 个 HIV 阴性血浆样本来评估喀麦隆的 12 个常规使用的 RDT。采用酶联免疫分析和核酸检测相结合的参考算法作为金标准。评估的 12 种 RDT 的敏感性、特异性、阳性预测值和阴性预测值在 93.7% 至 100% 之间变化; 95.8 和 100%;分别为 96.0 和 100%、94.1 和 100%。 12 个 RDT 中有 5 个无法检测到某些 HIV-1 0 变异,其中 1 个无法检测到 HIV-2 变异,而所有这些 RDT 均能有效检测到 HIV-1 N 和 HIV M/O 重组体。我们的研究结果强调,需要使用当地获得的特征良好的样本组来监测用于喀麦隆 HIV 检测的 RDT 的性能。 (C) 2017 Elsevier B.V. 保留所有权利。
According to the WHO/UNAIDS recommendations, an acceptable HIV rapid diagnostic tests (RDTs) has to perform a sensitivity >= 99% and a specificity >= 98%. Given the constant release of new RDTs for HIV testing in the market and the high HIV genetic diversity in Cameroon, it is interesting to monitor their performances in that setting.A total of 240 HIV positive (including 219 HIV-1 M, 15 HIV-1 0, 1 HIV-1 N,1 HIV-1 M/O recombinant and 4 HIV-2) and 240 HIV negative plasma samples were used to evaluate twelve routinely used RDTs in Cameroon. A reference algorithm combining Enzyme Immunoassays and nucleic acid testing was used as gold standard.The sensitivity, specificity, positive predictive value, and negative predictive value of the twelve RDTs evaluated varied between 93.7 and 100%; 95.8 and 100%; 96.0 and 100%, and 94.1 and 100%, respectively. Five out of the twelve RDTs could not detect some HIV-1 0 variants, one of them failed to detect an HIV-2 variant while all them efficiently detected HIV-1 N and HIV M/O recombinant.Our findings underscore the need to monitor the performances of RDTs to be used for HIV testing in Cameroon using locally obtained well-characterized samples panels. (C) 2017 Elsevier B.V. All rights reserved.