单位采样策略与多位采样策略在医院环境中的血液培养采集:系统性审查
Anniella Vashti1, Judy Mullan1, Michael Nitzberg1
1Graduate School of Medicine, University of Wollongong, Wollongong, New South Wales, Australia.
American journal of infection control
|August 1, 2025
概括
血液培养的单位采样 (SSS) 可能与检测血流感染的多位采样 (MSS) 一样有效. 这种方法可以改善病原体检测并降低污染率,为临床实践提供可行的替代方案.
科学领域:
- 传染性疾病 传染性疾病
- 微生物学 微生物学
- 临床诊断 临床诊断 临床诊断
背景情况:
- 目前的指导方针经常建议为血液培养进行多站点采样 (MSS),以诊断血液感染.
- 单站点采样 (SSS) 是一个潜在的替代策略.
研究的目的:
- 系统地审查和比较有关SSS与MSS的文献,以收集血培养.
- 为了评估细菌病检测率,污染率和样本量.
主要方法:
- 在多个数据库 (MEDLINE,CINAHL,Pubmed,Web of Science,Scopus,Google Scholar) 进行全面的文献搜索,截至2023年8月.
- 包括在成人医院患者中比较SSS和MSS的研究.
- 对关键结果的分析:病原体检测,污染和血液体积.
主要成果:
- 包括7项涉及18901名参与者的研究.
- 五项研究表明,随着SSS增加血液体积,可以改善病原体检测并降低污染.
- 研究质量是可变的,有可能产生偏差.
结论:
- 采集SSS血培养物显示了可比或更高的细菌病检测率,没有增加污染.
- 有证据表明,SSS是MSS的可行替代品,应该为未来的指导方针制定提供信息.
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