通过循环介导的异热放大在患有细菌性肺部感染的患者中检测呼吸道病原体细菌核酸检测
Chuanzhu Wang1, Ziyun Zhang1, Xuedong Wang1
1Department of Clinical Laboratory, Anhui No.2 Provincial People's Hospital, Hefei, PR China.
Practical laboratory medicine
|November 30, 2023
概括
循环介导异热放大 (LAMP) 提供了一种快速而准确的方法,用于检测细菌性肺部感染患者的呼吸道病原细菌,其性能优于传统的唾液培养.
科学领域:
- 微生物学 微生物学
- 分子诊断学 分子诊断
- 传染性疾病 传染性疾病
背景情况:
- 细菌性肺部感染是一个重大的临床挑战.
- 准确和快速的病原体识别对于有效的治疗至关重要.
- 核酸检测为病原体检测提供了一个有前途的方法.
研究的目的:
- 评估循环介导同热放大 (LAMP) 对于检测呼吸道致病细菌的临床实用性.
- 为了将LAMP与用于细菌识别的常规唾液培养进行比较.
- 为了将LAMP结果与细菌肺部感染中的成像和炎症标志物相关联.
主要方法:
- 收集了99名细菌性肺部感染患者的临床数据和唾液样本.
- 通过LAMP对唾液培养的核酸检测进行比较.
- 分析了LAMP结果,肺部成像和血液炎症标志物 (PCT,CRP,WBC) 之间的相关性.
主要成果:
- LAMP显示的阳性检测率明显高于唾液培养 (P < 0.05).
- 在患有炎症性肺部成像发现的患者中,LAMP有效检测到致病细菌.
- 在阳性LAMP结果和高PCT (83.87%) 和CRP (88.71%) 之间观察到很高的巧合率.
- 阳性LAMP患者的PCT,CRP和WBC水平显著提高 (P<0.05).
结论:
- 唾液样本的基于LAMP的核酸测试为诊断细菌肺部感染提供了快速而准确的基础.
- 将LAMP与成像检查相结合,可以提高诊断能力.
- 在细菌性肺炎的临床管理中,LAMP是一个有价值的工具.
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