微调血液培养实践:在心胸外科手术患者中实施诊断管理
Jessica Seidelman1,2, Heather Pena3, Brittany A Zwischenberger4
1Duke Center for Antimicrobial Stewardship and Infection Prevention, Durham, NC, USA.
Interdisciplinary cardiovascular and thoracic surgery
|January 11, 2025
概括
在心胸外科手术 (CTS) 降级单元中实施血液培养 (BCx) 算法显著减少了BCx事件. 这一策略减少了不必要的测试,但没有增加患者不良结果,提高了护理效率.
科学领域:
- 医学研究 医学研究
- 临床实施 临床实施
- 改善医疗保健质量 改善医疗保健质量
背景情况:
- 过度利用血培养 (BCx) 会导致不良结果,包括错误阳性和增加抗生素使用.
- 现有的BCx算法缺乏关注心胸外科手术 (CTS) 患者的复杂术后需求.
- 需要在专门的外科病房优化BCx实践.
研究的目的:
- 评估新型BCx算法对BCx事件 (BCE) 率的影响.
- 评估算法对患者安全的影响和CTS降级单元的不良结果.
- 在高风险的手术群体中确定标准化BCx协议的有效性.
主要方法:
- 一个BCx算法,改编自Seidelman等人. (2023年) 在三个杜克大学医院CTS降级单位中实施.
- 间断时间序列 (ITS) 分析和千平方测试比较了算法实施前后的 BCE 利率.
- 数据包括来自1345名患者的4978个BCE在干预前和后的时间.
主要成果:
- 在实施后观察到ECB利率的统计显著下降 (IRR = 0.78,P<0.01).
- 在中线相关血流感染 (CLABSI) 率 (IRR = 0.6) 中没有发现显著差异.
- 再入院率 (IRR = 0.99) 和住院死亡率 (IRR = 3.53) 也没有显著的不良变化.
结论:
- 实施的BCx算法有效地减少了CTS患者不必要的血液培养.
- 患者的安全性得到维持,关键不良结果没有增加.
- 这项研究支持使用BCx算法优化诊断测试在专门的外科设置.
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