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快速分子测定与血液培养用于血液感染:系统性审查和元分析

Gabriella Anna Rapszky^1,2, Uyen Nguyen Do To^2,3, Veronika Eszter Kiss¹

¹Department of Emergency Medicine, Semmelweis University, Budapest, Hungary.

EClinicalMedicine

|February 19, 2025

概括

快速分子检测 (RMA) 显示,对于血液感染 (BSI) 的敏感性低于血液培养 (BCs). 虽然不是替代品,但RMA可以作为附加测试来提高病原体检测,需要进一步开发以提高准确性.

科学领域:

临床微生物学和传染病.
诊断准确性的研究研究.
分子诊断学分子诊断学

背景情况:

败血症的管理依赖于及时的抗菌药物治疗,血液感染 (BSI) 需要快速诊断.
快速分子分析 (RMA) 与传统血培养 (BCs) 相比,可以更快地检测BSI.
各种商业RMA的诊断性能需要全面评估.

研究的目的:

识别和系统地审查商业RMA用于BSI检测.
为了评估RMAs与BCs相比的诊断准确性.
根据试验类型,患者群体和分析单位分析RMA性能.

主要方法:

对比RMA和BC用于BSI检测的研究的系统审查和元分析.
在主要数据库 (MEDLINE,Cochrane,Embase,Web of Science) 进行的搜索截至2024年9月.
使用双变量分析将灵敏度和特异性结合起来,并使用QUADAS-2和QUADAS-C工具评估偏差风险.

主要成果:

RMAs的聚合特异性为0.858,而每个患者的聚合灵敏度为0.659.
灵敏度根据RMA类型 (0.492-0.783) 和根据患者群体 (0.811-0.892) 的特异性而异.
在所有纳入的研究中都注意到存在偏差的高风险.

结论:

尽管RMA的周转速度更快,但由于灵敏度较低,RMA不能取代BC.
RMAs可以作为有价值的附加测试,以提高病原体检测率.
需要开发具有更高灵敏度的RMA,具有更广泛的病原体覆盖范围和更大的样本量.

关键词:

血液培养血液培养是什么?诊断的准确性诊断的准确性诊断方法诊断方法快速发现病原体的识别.怀疑发生败血症这是全血,全血.

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