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将mNGS与常规诊断加密球菌脑膜炎的方法进行比较:一项回顾性研究

Zai-Jie Jiang¹, Jian-Chen Hong², Bi-Wei Lin¹

¹Fujian Key Laboratory of Molecular Neurology, Department of Neurology, Institute of Neurology of First Affiliated Hospital, Institute of Neuroscience, Fujian Medical University, Fuzhou, 350005, China.

Scientific reports

|January 29, 2025

概括

下一代元基因组测序 (mNGS) 显示了诊断密码球菌脑膜炎的高准确性. 将mNGS与加密球菌抗原 (CrAg) 测试相结合,可以提高检测率,从而更好地管理患者.

科学领域:

临床微生物学临床微生物学
传染性疾病传染性疾病
基因组学就是基因组学.

背景情况:

加密球菌脑膜炎的诊断依赖于各种方法,但它们的比较性能,特别是使用新的技术,需要进一步描述.
甲基因组下一代测序 (mNGS) 提供了一个独立于培养的,宽频谱的病原体检测方法.

研究的目的:

评估mNGS对加密球菌脑膜炎的诊断性能.
将mNGS与常规的诊断方法进行比较,包括真菌培养,印度墨水染色和加密球菌抗原 (CrAg) 测试.

主要方法:

对65名疑似中枢神经系统感染的患者脑脊髓液 (CSF) 样本的回顾性分析.
测试包括传统方法 (培养,印度墨水,CrAg) 和mNGS.
对mNGS的性能指标 (灵敏度,特异性,PPV,NPV,一致性) 进行了评估.

主要成果:

在45例确诊的加密球菌脑膜炎病例中,mNGS显示了92%的灵敏度和100%的特异性.
mNGS的灵敏度与Crag测试 (96.7%) 相似,但优于印度墨水 (79.5%) 和培养 (63.4%).
将mNGS与传统方法相结合,实现了100%的检测率.

结论:

克拉格检测和mNGS都非常准确,用于诊断密码球菌脑膜炎.
结合使用mNGS和传统方法,特别是Crag,可以提高诊断产量和临床决策.

关键词:

大脑脊髓液中的脑脊液.传统的方法传统的方法加密球菌脑膜炎是什么?诊断诊断诊断诊断诊断甲基因组的下一代序列序列.

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