严重肺炎机械通风患者的综合征分子检测:一种支持性诊断方法
Tina Uršič1, Kaja Erzar1, Katja Seme1
1Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
Microbiology spectrum
|November 21, 2025
概括
传统的诊断检测到严重肺炎患者的病原体比商业面板更多. 虽然更快,但商业面板错过了关键检测,不允许对抗菌素敏感性测试.
科学领域:
- 关键护理医学 关键护理医学
- 传染病诊断 传染病诊断 传染病诊断
- 微生物学 微生物学
背景情况:
- 重症肺炎在重症监护室 (ICU) 患者呈现诊断挑战,由于不同的病因和快速进展.
- 及时和准确的病原体鉴定对于机械通风患者的有效治疗至关重要.
- 传统的诊断方法往往耗时,延迟了针对性的治疗.
研究的目的:
- 为了比较常规诊断方法的诊断性能和临床实用性,与ICU患者严重肺炎的商业多重分子面板相比.
- 评估病原体检测率,包括病毒和细菌,以及不同类型肺炎的共同检测.
- 评估商业小组的局限性,例如无法进行抗菌素敏感性测试.
主要方法:
- 一项前性研究,涉及110名重症监护病房重症肺炎患者.
- 收集支气管支气管洗液和气管吸入物.
- 使用商业多重呼吸板 (Allplex呼吸板1-4) 和常规诊断 (包括基于培养的方法) 的回顾性测试.
- 分析病原体检测率,共检测率和按肺炎类型 (社区感染,医院感染,呼吸机相关) 的表现.
主要成果:
- 传统的诊断方法在79.1%的患者中检测到病原体,而商业方法则为63.6% (P = 0.016).
- 商业面板错过了通过传统方法识别的八种细菌和四种真菌检测.
- 传统诊断在医院获得的肺炎中显示出更高的检测率 (82.5%对50.0%;P = 0.004),而在社区获得的肺炎中表现相似.
- 两种方法经常检测到病毒病原体,包括A型流感和犀牛病毒.
结论:
- 传统的诊断方法,结合培养和分子测试,提供更广泛的病原体检测,并使抗菌素敏感性测试成为可能,在ICU患者严重肺炎的整体产量方面超过商业面板.
- 商业分子面板提供更快的结果,但缺乏目标和表型测试能力的广度,这使得它们对医院或呼吸机相关的肺炎可能不足.
- 结合常规和商业方法的补充诊断策略可以优化病原体检测,指导治疗,改善抗微生物药物管理,并改善严重肺炎重病患者的临床结果.
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