长期护理设施环境表面的微生物负担:定量分析
William A Rutala1,2, Lauren M DiBiase1,3, Amy W Powell1
1Division of Infectious Diseases, UNC School of Medicine, Chapel Hill, NC, USA.
Infection control and hospital epidemiology
|October 31, 2024
概括
长期护理设施 (LTCF) 的环境表面经常含有流行病学重要病原体 (EIP). 居民定居是房间内EIP水平较高的强有力的预测因素.
科学领域:
- 感染控制的方法是感染控制.
- 微生物学 微生物学
- 环境卫生环境卫生
背景情况:
- 长期护理设施 (LTCF) 由于脆弱人群,对感染控制提出了独特的挑战.
- 环境表面可以作为流行病学重要病原体 (EIP) 的储存库.
研究的目的:
- 量化分析LTCF环境表面上的微生物负担和EIP的流行情况.
- 评估居民殖民地位与环境污染之间的关系.
主要方法:
- 从五个LTCF的住宿室和公共区域采集了微生物样本,使用Rodac板.
- 从流行病学上重要的病原体 (EIP) 包括耐甲基金色葡萄球菌 (MRSA),抗万科胺素抗性肠球菌 (VRE),Clostridioides difficile和耐多药格兰氏阴性杆菌 (MDR-GNRs).
主要成果:
- 与非殖民居民 (0.78) 相比,殖民居民的房间显示出明显更高的EIP计数 (8.32 CFU).
- 65%的客房和50%的公共区域被至少一个EIP污染.
- 最常检测到的EIP是MRSA,其次是C. difficile和MDR-GNRs.
结论:
- 在LTCF中,常见的环境污染与EIP是普遍存在的.
- 居民殖民地位是直接室内环境中EIP水平增加的重要预测因素.
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