内镜床旁预处理过程中气溶胶产生和传播的潜在影响

盛婷婷; 吴昕; 岑莉; 陆烨; 周晨颖; 顾青

doi:10.1631/jzus.B2300552

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内镜床旁预处理过程中气溶胶产生和传播的潜在影响

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Letter | Updated：2024-07-17

内镜床旁预处理过程中气溶胶产生和传播的潜在影响
Potential effects of aerosol generation and transmission during bedside endoscope cleaning
浙江大学学报（英文版）（B辑：生物医学和生物技术） 2024年25卷第7期页码：628-632
Affiliations：

1.Nursing Department, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
2.Department of Gastroenterology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
3.Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China
Funds：

the Medicine and Health Care in Zhejiang Province Science and Technology Plan Projects(2020KY552;2021PY006);the Commonweal Project of Science and Technology Department of Zhejiang Province(LGF21H030007)
DOI：10.1631/jzus.B2300552
中图分类号：
CSTR：
纸质出版日期： 2024-07-15 ，

收稿日期： 2023-08-03 ，

修回日期： 2023-12-06 ，
Accepted：

盛婷婷,吴昕,岑莉等.内镜床旁预处理过程中气溶胶产生和传播的潜在影响[J].浙江大学学报（英文版）（B辑：生物医学和生物技术）,2024,25(07):628-632.

Tingting SHENG, Xin WU, Li CEN, et al. Potential effects of aerosol generation and transmission during bedside endoscope cleaning[J]. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2024,25(7):628-632.
盛婷婷,吴昕,岑莉等.内镜床旁预处理过程中气溶胶产生和传播的潜在影响[J].浙江大学学报（英文版）（B辑：生物医学和生物技术）,2024,25(07):628-632. DOI： 10.1631/jzus.B2300552.

Tingting SHENG, Xin WU, Li CEN, et al. Potential effects of aerosol generation and transmission during bedside endoscope cleaning[J]. Journal of Zhejiang University-SCIENCE B (Biomedicine & Biotechnology), 2024,25(7):628-632. DOI： 10.1631/jzus.B2300552.

摘要

Abstract

自2019冠状病毒病（COVID-19）大流行以来，气溶胶的产生已成为一个无法回避的医疗保健问题。本研究旨在确定床旁内窥镜清洁过程中气溶胶产生和传播的特征，并制定相关预防和控制措施。在洁净的内窥镜室中，我们模拟了软式内窥镜的床边清洁程序，并使用粒子计数器在三维空间中测量了与预清洁桶不同距离处的气溶胶浓度。我们还设计了一种可重新密封的袋子，并对其效率进行了评估。实验前内窥镜室平均背景气溶胶浓度为138颗粒每升。16次独立实验后，我们发现气溶胶数量随垂直和水平距离的增加而减少，且在175 cm的垂直或水平距离之外，无法检测到气溶胶。基于上述数据，我们计算了气溶胶的传播范围。此外，我们发现可重复密封的袋子可有效减少气溶胶的传播，距封口10 cm处气溶胶浓度为（99.94±57.36）颗粒每升，显著低于无袋时测得的气溶胶浓度。综上，床旁内窥镜清洁程序会产生大量气溶胶，且气溶胶浓度随着与预清洁桶距离的增加而降低，采用可重复密封袋子可有效减少气溶胶传播。因此，建议患者戴上口罩，并在手术完成后离开气溶胶暴露的危险区域。

关键词

内镜内窥镜手术气溶胶传播床边内窥镜预清洁

Keywords

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