带有弹性头带的安全眼镜可以改善N95的适合性,因为它在数量适合性测试中失败了
Mohamed Kamal1, Mominah Bhatti1, Warren Christopher Stewart1
1Department of Intensive Care Medicine, Prince of Wales Hospital, Randwick, New South Wales, Australia.
概括
添加带有弹性头带的安全眼镜显著改善了N95呼吸器适合医疗保健工作者. 这种简单的干预措施提高了定量适应性测试的合格率,增强了对呼吸道感染的保护.
科学领域:
- 职业健康 职业健康 职业健康
- 呼吸系统保护 呼吸系统保护
- 医疗设备的有效性 医疗设备的有效性
背景情况:
- 在COVID-19等呼吸道感染爆发期间,N95呼吸器是卫生保健工作者 (HCW) 重要的个人防护设备 (PPE).
- 杜克比尔N95呼吸器在适合性测试期间失败率很高,漏水通常发生在鼻子和大附近.
- 安全眼镜可以通过将上边压在脸上来减少呼吸器泄漏.
研究的目的:
- 调查是否安全眼镜带有弹性头带可以改善嘴N95呼吸器的适合因子.
- 为了确定这种干预是否会增加通过定量适应性测试的高温电机的比例.
主要方法:
- 一项干预前后研究涉及大约60名HCW,他们此前曾通过了用嘴N95呼吸器进行定量适应测试,但未能通过.
- 使用PortaCount® 8048进行了定量适合性测试,首先仅使用呼吸器,然后添加安全眼镜.
主要成果:
- 量化适应性测试的合格率从没有防护眼镜的13.3% (8名参与者) 大幅增加到带有防护眼镜的81.7% (49名参与者).
- 在添加安全眼镜后,平均整体适合因子从40.3显著改善到193.0.
- 使用安全眼镜显示出统计学上显著的改善 (p < 0.0001).
结论:
- 带有弹性头带的安全眼镜有效地改善了嘴 N95 呼吸器的适合性.
- 这种干预显著提高了HCWs定量适应性测试的成功率.
- 这些发现表明一种简单的方法可以改善前线工作人员的呼吸保护.
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