在英格兰的新生儿单位中检测,存活和持久性Staphylococcus capitis NRCS-A
The Journal of hospital infection
|July 24, 2023
概括
多药耐药的Staphylococcus capitis克隆NRCS-A经常污染新生儿重症监护室 (NICU) 的表面,特别是床边设备. 有效的消毒剂对于在NICU环境中控制这种病原体至关重要.
科学领域:
- 感染控制 感染控制
- 新生儿护理 新生儿护理
- 微生物学 微生物学
背景情况:
- 耐多药性Staphylococcus capitis克隆NRCS-A对低出生体重新生儿的晚发性败血症越来越令人担忧.
- 了解新生儿重症监护室 (NICU) 中NRCS-A的环境持久性对于感染控制至关重要.
研究的目的:
- 为了研究新生儿重症监护室表面的Staphylococcus capitis的殖民潜力.
- 为了评估NRCS-A克隆在塑料表面上的生存.
- 评估常见消毒剂对S. capitis. 的有效性.
主要方法:
- 在四个新生儿重症监护室进行表面扫描.
- 全基因组测序的S. capitis分离物.
- 在塑料上进行NRCS-A生存时间杀死试验.
- 化学消毒剂的杀菌活性测试.
主要成果:
- 在采样表面的21.1%上发现了Staphylococcus capitis,其中75%的分离物是NRCS-A克隆.
- 不管临床病例如何,NRCS-A经常从化器和床头设备中恢复.
- 在没有清洗的情况下,S.capitis在塑料表面上存活了三天.
- 三烯和基于QAC的消毒剂有效地减少了S. capitis.
结论:
- 在NICU环境中很容易发现Staphylococcus capitis NRCS-A,即使没有最近报告的感染.
- 这凸显了对NICU清洁协议的标准化国家指导的需要.
- 需要加强环境清洁策略,以防止NRCS-A的传播.
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