婴儿期以外的呼吸道同胞性病毒监测:测试方法的影响,一项追溯观察性研究
Nicolas Yin1, Sigi Van den Wijngaert1, Magali Wautier1
1Department of Microbiology, Laboratoire Hospitalier Universitaire de Bruxelles-Universitair Laboratorium Brussel (LHUB-ULB), Université Libre de Bruxelles (ULB), Brussels, Belgium.
ERJ open research
|March 6, 2024
概括
诊断方法影响成年人呼吸道同胞性病毒 (RSV) 监测. 抗原测试可能会低估老年人群中的RSV,这表明分子方法对准确的RSV流行病学更好.
科学领域:
- 病毒学 病毒学
- 流行病学 流行病学
- 临床诊断 临床诊断 临床诊断
背景情况:
- 呼吸道同胞性病毒 (RSV) 构成严重的健康风险,尤其对老年人来说.
- 已批准的疫苗存在,但由于诊断方法的性能变化,准确的监测受到挑战.
- 抗原和PCR测试灵敏度的差异,特别是在成年人中,使RSV监测复杂化.
研究的目的:
- 评估不同诊断方法如何影响RSV监测.
- 根据不同年龄组的抗原和PCR测试来比较RSV的流行病学趋势.
- 确定成人RSV监测中最可靠的诊断方法.
主要方法:
- 从2022年7月到2023年6月的RSV和流感测试结果的回顾性分析.
- 包括来自比利时布鲁塞尔临床实验室的抗原测试,四重复 PCR 测试和病毒培养.
- 根据患者年龄和诊断方法分层分析流行病学趋势.
主要成果:
- 婴儿在11月和成人在12月出现RSV阳性测试峰值.
- 抗原测试显示,比检测RSV的PCR测试更早的峰值.
- 婴儿主要通过抗原测试进行诊断,而老年患者使用PCR,流感影响PCR的使用和时间.
结论:
- 抗原检测的有限灵敏度可能会误导成人RSV流行病学.
- 建议使用分子方法,如PCR,以更准确地对老年人进行RSV监测.
- 诊断方法的选择对于可靠地了解RSV疾病负担至关重要.
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