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支气管切除症患者呼吸道微生物组的变化
Dongmei Lu1, Chenxi Li2, Zhiwei Zhong1,3
1Division of Respiratory and Critical Care Medicine, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang Uygur Autonomous Region, China.
Medicine
|December 20, 2023
概括
甲基因组下一代测序 (mNGS) 在急性支气管切除症恶化中发现了更多的病毒,真菌和细菌. 这种先进的技术改善了与传统方法相比的病原体检测,指导了更好的抗生素治疗.
科学领域:
- 微生物学 微生物学
- 肺部病理学 肺部病理学
- 传染性疾病 传染性疾病
背景情况:
- 支气管病变的恶化包括复杂的下呼吸道感染.
- 准确的病原体鉴定对于有效的治疗和改善患者的治疗结果至关重要.
研究的目的:
- 在急性支气管切除症恶化中研究微生物群体的变化,使用元基因组下一代测序 (mNGS).
- 将mNGS的发现与传统的微生物学测试进行比较.
- 引导临床治疗策略,以改善患者的预后.
主要方法:
- 对54名急性恶化患者和46名稳定对照进行前性研究.
- 使用mNGS和常规培养,分析和支气管洗液 (BALF).
- 测量血清炎症标记物的测量.
主要成果:
- 在恶化的患者中,mNGS检测到显著更多的病毒,真菌 (Candida albicans,Pneumocystis jirovecii,Aspergillus fumigatus) 和细菌 (Acinetobacter baumannii,Mycobacterium tuberculosis,Haemophilus influenzae).
- mNGS的灵敏度高于唾液培养,在66/77个负培养病原体的病原体被识别出来.
- Acinetobacter baumannii是发现的最常见的细菌物种.
结论:
- 急性支气管炎症的恶化通常与混合的下呼吸道感染有关.
- mNGS增强了各种病原体的检测,包括病毒,真菌和细菌.
- mNGS可以提高诊断的准确性和抗生素治疗在支气管病变恶化中的有效性.
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