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分子鼠标系统:一种新的有用工具,用于指导严重病症的败血症患者的抗菌疗法

Carola Mauri¹, Alessandra Consonni¹, Elena Briozzo¹

¹Clinical Microbiology and Virology Unit, "A. Manzoni" Hospital, 23900 Lecco, Italy.

Antibiotics (Basel, Switzerland)

|June 27, 2024

概括

这项研究表明,一种新的分子测试可以准确地识别严重病患者的血液感染 (BSI) 和耐药基因. 这种快速检测有助于及时调整抗微生物疗法,以获得更好的患者结果.

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
分子诊断学分子诊断学

背景情况:

由多药耐药 (MDR) 细菌引起的血流感染 (BSI) 是一个重大威胁,特别是对免疫抑制患者.
及时和准确的病原体鉴定和耐药性分析对于BSI管理中的有效抗菌疗法至关重要.

研究的目的:

评估分子鼠标系统,一种新的CE IVD分子测试,用于快速检测细菌病和耐药性决定因素.
评估分子鼠标系统对重症患者抗菌药物治疗管理的影响.
确定分子鼠标系统与分析阳性血液培养物的常规方法之间的协议.

主要方法:

使用分子鼠标系统和常规实验室协议分析了来自严重感染的患者的100种阳性血液培养物.
研究期间为2023年5月至2024年1月.
检测了特定的抗菌素耐药性基因,包括vanA和CTX-M-1/9组.

主要成果:

分子鼠标系统与单微生物血培养的常规协议一致.
在多微生物样本中观察到差异.
在35%的样本中发现了抗微生物耐药性基因,其中vanA和CTX-M-1/9组是最常见的.
根据分子测试结果,对42名患者进行了治疗调整.

结论:

分子鼠标系统显示出在血液感染中快速检测病原体和耐药性的前景.
快速分子检测可以显著帮助调整经验治疗和优化在重症患者的抗生素使用.
可能需要对多微生物样本进行进一步评估.

关键词:

分子鼠标分子鼠标抗微生物耐药性抗微生物耐药性血液文化血液文化血液感染血液感染新的抗生素新的抗生素

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