作为Candida auris集群中环境污染的重要来源的远程空气分散:可能的感染控制影响
Wing-Yu Fung1, Ryan Yiu-Fai Cheng2, Anthony Pak-Yuen Yau3
1Department of Pathology, Queen Elizabeth Hospital, Hong Kong Special Administrative Region, China.
Infection control and hospital epidemiology
|November 12, 2025
概括
较大的Candida auris (C. auris) 爆发与环境污染的增加相关,特别是在通风口. 加强通风系统的净化对于医疗机构的感染控制至关重要.
科学领域:
- 传染性疾病 传染性疾病
- 环境微生物学 环境微生物学
- 医疗卫生流行病学 流行病学
背景情况:
- 黄 (C. auris) 是一种新兴的多抗药性真菌病原体,导致与医疗保健相关的重大感染.
- 了解C. auris传染集群和环境水库之间的关系对于有效的感染控制至关重要.
研究的目的:
- 调查Candida auris患者集群规模与环境污染程度之间的相关性.
- 确定对加强医疗保健机构感染控制策略的影响.
主要方法:
- 在两个香港医院进行的回顾性观察性研究.
- 对实验室确认的C. auris载体和来自高接触面和空气网格的相应环境样本的分析.
- 在C. auris爆发和零星病例之间的污染率的比较.
主要成果:
- 与零星病例 (2.6%) 相比,C. auris爆发环境中的环境污染明显高 (15.1%).
- 疫情持续时间较长和受影响患者数量较多与污染增加有关.
- 在疫情爆发和零星群体中,空气网格的污染率明显高于高接触面.
结论:
- 长期和广泛的C. auris集群与更大的环境污染有关,特别是在空气通风系统中.
- 被忽视的环境水库,如空气网格,需要改进的污染清除协议.
- 加强感染控制措施,包括彻底清除空气系统污染,对于制C. auris在医疗保健中的传播至关重要.
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