通过使用实时定位系统,识别二次传播Clostridioides difficile感染所需的接触时间
Emerging infectious diseases
|April 26, 2024
概括
重新评估对Clostridioides difficile感染 (CDI) 的隔离是至关重要的. 一项研究发现,在没有隔离的情况下,二次性CDI传播是最小的 (0.05%),支持标准预防措施和环境净化,而不是患者隔离.
科学领域:
- 传染性疾病 传染性疾病
- 流行病学 流行病学
- 医疗保健相关的感染
背景情况:
- 患者病房短缺以及其他传染病的流行需要重新评估Clostridioides difficile感染 (CDI) 的隔离协议.
- 目前对CDI的隔离实践可能会耗费医院资源,但在所有环境中都没有明显的好处.
研究的目的:
- 在没有隔离CDI患者的医院环境中调查二次CDI传播率.
- 在没有接触隔离的情况下,确定与CDI相关的风险因素和传播途径.
主要方法:
- 在韩国一家医院进行了回顾性研究,使用实时定位系统和电子医疗记录的数据.
- 采用全基因组测序来确定CDI指数患者的直接和间接接触者之间的二次CDI传播.
主要成果:
- 总共分析了3620个接触案例 (909个直接,2711个间接).
- 仅观察到二次CDI传输的两个实例 (0.05%的传输率).
- 传播通过直接接触 (113分钟) 和环境路线发生.
结论:
- 该研究表明,全面的标准预防措施,包括环境净化,对于控制CDI传播是有效的.
- 在非爆发环境中,对CDI患者的接触隔离可能不必要,这可能会减轻医院资源的压力.
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