快速诊断简单疹病毒1和2的血液感染,利用一个样本到答案平台
Wei Zhen1, Farah Sheikh1, Dwayne A Breining1,2
1Infectious Disease Diagnostics, Northwell Health Laboratories, Lake Success, New York, USA.
Journal of clinical microbiology
|August 12, 2024
概括
诊断血液中简单疹病毒 (HSV) 感染需要快速测试. 这项研究发现血清是检测HSV-1和HSV-2DNA的最佳样本类型,提高了诊断准确度.
科学领域:
- 医学诊断 医学诊断 医学诊断
- 病毒学 病毒学
- 传染病 传染病 传染病
背景情况:
- 血流疹简单病毒 (HSV) 感染携带高发病率和死亡率,特别是在脆弱人群中.
- 准确和快速的诊断对于有效的患者管理至关重要,但由于缺乏FDA批准的分子分析和关于最佳样本类型的共识,这一问题受到阻碍.
- 目前的诊断局限性要求开发更好的及时检测和治疗方法.
研究的目的:
- 为了比较不同类型的血液样本的诊断性能,以检测HSV血流感染.
- 用血清样本评估修改后的Simplexa HSV-1和2直接测试的实用性.
- 为了确定血清作为一个首选的样本类型,以快速准确的HSV诊断.
主要方法:
- 周期值 (Ct) 值对对全血,血,血清和外周血液单核细胞 (PBMC) 的前性比较,来自血液中感染HSV的患者.
- 使用了经过修改的FDA批准的Simplexa HSV-1和2直接测试.
- 通过将247个残留样本与已建立的实验室开发的测试进行比较,评估了血清中的临床性能.
主要成果:
- 血清样本与全血样本相比显示显著较低的Ct值 (2.6 Ct偏差,P < 0.001).
- 经过修改的Simplexa试验表明,在血清中检测HSV-1和HSV-2DNA时,100%的阳性百分比一致.
- 与参考方法的总体一致率为95% (κ = 0.75),不一致率较低 (HSV-1的5.20%,HSV-2的0.81%).
结论:
- 血清是与其他血液部分相比,在血液感染中检测HSV的最佳样本类型.
- 经过修改的使用血清的Simplexa检测方法为HSV血流感染提供了快速而准确的诊断方法.
- 改进的诊断,如使用血清的诊断,对于及时治疗和更好的患者结果至关重要.
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