在救护车工作空间内使用便携式空气清洁器
Mirle Pena1, Dylan T Neu1, H Amy Feng1
1Division of Field Studies and Engineering, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Cincinnati, OH.
便携式高效颗粒空气 (HEPA) 过器可以显著减少救护车中的传染性气溶,保护紧急医疗服务 (EMS) 提供者. 这项研究表明,HEPA过器是救护车的有效和负担得起的空气清洁解决方案.
科学领域:
- 职业健康和安全问题 职业健康和安全问题
- 环境卫生工程 环境卫生工程
- 气溶科学 气溶科学
背景情况:
- 紧急医疗服务 (EMS) 提供者对传染性气溶的暴露风险很高,特别是在流行病期间.
- 救护车的通风有限,增加了空气中的污染物传播给医疗保健工作人员的风险.
- 现有的关于救护车中便携式高效颗粒空气 (HEPA) 过器有效性的研究很少.
研究的目的:
- 评估两种便携式HEPA过器模型在减少救护车内的气溶度方面的有效性.
- 评估HEPA过作为改善空气质量和减少EMS人员暴露风险的干预措施的潜力.
主要方法:
- 两个便携式HEPA过器模型在一个静止的,无人驾驶的研究救护车中进行了测试.
- 一个标记剂气溶被生成以模拟患者生成的气溶.
- 光学粒子计数器 (OPC) 在50分钟的测试期间测量了气溶的度.
主要成果:
- 在气溶生成阶段,HEPA过器显示出气溶度的显著降低.
- 在生成阶段,颗粒度减少了约50%.
- 在整个衰变期间,HEPA过器在降低气溶度方面保持了有效性.
结论:
- 便携式HEPA过系统显示出作为救护车环境中有效的空气清洁策略的希望.
- 对于EMS提供商来说,HEPA过器提供了一个负担得起和实用的解决方案,以减轻传染性气溶暴露.
- 实施HEPA过可以提高传染病爆发期间紧急医疗服务的安全性.
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