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使用利益风险评估框架 (BED-FRAME) 进行血液感染快速诊断测试的比较

Richard D Smith^1,2, Min Zhan³, Shanshan Zhang⁴

¹Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, USA.

Journal of clinical microbiology

|December 6, 2023

概括

血液感染的快速诊断测试 (RDT),包括快速脂质分析技术 (FLAT MS),可快速识别病原体. 一项比较研究发现,BED-FRAME分析对于选择特定医疗机构的最佳RDT有用.

科学领域:

临床微生物学临床微生物学
传染病传染病传染病
诊断技术诊断技术诊断技术

背景情况:

快速诊断测试 (RDTs) 对于血液感染的及时抗菌疗法至关重要.
飞行质谱学 (MALDI-TOF MS) 的矩阵辅助激光脱吸/电离时间为快速病原体识别提供了潜力.
内部快速脂质分析技术 (FLAT MS) 方法已经显示出直接从血液培养物识别的希望.

研究的目的:

评估和比较FLATMS的性能,直接从血液培养物识别与FDA批准的方法.
通过敏感性,结果的时间,实践时间和利益风险评估框架 (BED-FRAME) 来评估 RDT 绩效.
确定BED-FRAME分析在为医疗机构选择合适的RDT时的有用性.

主要方法:

使用301个阳性血液培养物对比Bruker Sepsityper和bioMérieux BioFire FilmArray BCID2进行了FLAT MS的评估.
性能指标包括整体灵敏度,不同细菌类型和酵母菌的准确性,结果的时间和实践时间.
利益风险评估框架 (BED-FRAME) 用于全面的研发技术比较.

主要成果:

所有平台的总体灵敏度为单微生物阳性血培养的88.3%.
对于FLAT MS,Sepsityper和BioFire BCID2的结果的时间均为大约一个小时.
实践时间有所不同:FLAT MS (10分钟),Sepsityper (40分钟) 和BioFire BCID2 (5分钟).

结论:

根据BED-FRAME分析显示,每个RDT都显示出实用性,最佳使用取决于病原体的流行程度和相对重要性.
床架是医疗保健中心选择最合适的RDT的宝贵工具.
对RDTs的比较评估对于优化血液感染诊断至关重要.

关键词:

一个床架的床架.血液文化血液文化血液感染血液感染快速诊断测试是一种快速的诊断测试.

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