在新生儿重症监护病房中爆发了Serratia marcescens的爆发,与受污染的洗手盆有关
Qiaozhi Guo1, Xiaopeng Zhao2, Jingxiang Ma1
1Hospital Infection Control Department, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China.
Indian journal of medical microbiology
|October 5, 2024
概括
受污染的水槽在新生儿重症监护室中传播了Serratia marcescens. 靠近床位距离和轮换护士增加了风险. 适当的水槽卫生对于预防新生儿感染至关重要.
科学领域:
- 医疗保健流行病学 医疗保健流行病学
- 传染病控制中的传染病控制
- 新生儿护理 新生儿护理
背景情况:
- 新生儿重症监护室 (NICU) 容易受到医院感染.
- 塞拉蒂亚马尔塞森斯 (S. marcescens) 爆发对易受伤害的新生儿构成重大风险.
- 识别疫情起源对于有效的感染控制至关重要.
研究的目的:
- 调查S. marcescens在新生儿重症监护室爆发的起源和传播动态.
- 在疫情爆发期间识别与S. marcescens感染或新生儿殖民相关的风险因素.
主要方法:
- 对S. marcescens阳性和阴性新生儿进行了回顾性病例控制研究.
- 全基因组测序 (WGS) 的S. marcescens分离物.
- 用专门的软件进行了植物遗传分析和传播路径映射.
主要成果:
- 疫情在2021年2月至3月期间影响了12名新生儿.
- 关键的风险因素包括床与水槽的距离 (<0.8米),护士轮换率高,以及化器的加湿水.
- WGS确定了一种主要的克隆,将受污染的水槽与患者联系起来,表明交叉传播.
结论:
- 污染的洗手盆作为S. marcescens在NICU中的传播载体.
- 洗池的近距离和工作人员的流动性是S. marcescens爆发的重要因素.
- 加强对水槽消毒和接触预防措施的关注对于预防至关重要.
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