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相关实验视频

Updated: Jul 14, 2026

Oral Biofilm Sampling for Microbiome Analysis in Healthy Children
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优化内镜监测:采样方法和时间点如何影响微生物学监测?

T Xu1, X Cao2, M Shuang2

  • 1Department of Infectious Disease, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.

The Journal of hospital infection
|October 19, 2025
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概括

在内镜再处理后进行微生物监测是关键. 夜间干燥显著减少污染,冲刷冲刷冲洗采样方法 (FBFSM) 比传统冲洗采样方法 (CFSM) 更敏感.

关键词:
干燥 干燥 干燥进行内镜再加工.微生物监测 微生物监测采样方法 采样方法

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科学领域:

  • 感染控制 感染控制
  • 微生物学 微生物学
  • 医疗设备再加工 医疗设备再加工

背景情况:

  • 尽管有重新处理指南,但与内镜相关的感染仍然存在.
  • 有效的微生物监测对于内镜单位的质量控制至关重要.
  • 采样时间和技术影响监测的有效性.

研究的目的:

  • 评估采样时间 (高水平消毒后立即 vs 一夜干燥) 和采样技术 (传统冲洗采样方法 vs 冲洗-刷-冲洗采样方法) 对再加工内镜中的微生物回收的影响.

主要方法:

  • 在三个胃肠内镜单位进行前性多中心研究.
  • 在高水平消毒 (HLD) 或在隔夜干柜存储后立即进行采样.
  • 传统冲洗采样方法 (CFSM) 和冲洗刷冲洗采样方法 (FBFSM) 的比较.

主要成果:

  • 消毒内镜的整体通过率为83.4%.
  • 冲刷-冲刷-冲刷采样方法 (FBFSM) 的通过率明显较低,表明微生物恢复比CFSM更好.
  • 在一夜干燥后取样的内镜的通过率较高,关键生物体的检测率较低,与HLD后立即取样相比.

结论:

  • 干燥阶段对于减少内镜残留微生物污染至关重要.
  • 冲刷-冲刷-冲刷采样方法 (FBFSM) 是对再加工后监控的更敏感的技术.
  • 优化干燥和采样方法可以提高微生物监测的有效性,防止内镜相关的感染.