在SARS-CoV-2时代,基于通风的策略来管理手术内气溶病毒传播
Ayoola T Brimmo1,2, Ayoub Glia1,2, Juan S Barajas-Gamboa3
1Division of Engineering, New York University Abu Dhabi, Abu Dhabi 129188, United Arab Emirates.
优化手术室通风可以最大限度地减少空气中的颗粒循环,保护患者和手术团队免受手术部位感染 (SSI) 和传染性气溶的侵害. 通风设计是减少手术期间感染风险的关键.
科学领域:
- 医疗保健工程 医疗保健工程
- 传染病控制和控制传染病
- 空气动力学 在空气动力学.
背景情况:
- 操作室通风系统旨在通过减少患者周围的空气污染来减少手术部位感染 (SSI).
- 目前的系统可能会无意中循环患者释放的气溶,如手术烟雾和二氧化碳,使手术团队面临感染风险,特别是在COVID-19等疾病中.
研究的目的:
- 为了研究手术室的通风流动模式.
- 开发基于通风的策略,以保护患者和手术团队免受空气传播感染.
- 为了确定最优的通风配置,尽量减少颗粒循环.
主要方法:
- 利用经过实验验证的数值模型来模拟空气流动模式.
- 使用半衰期和高度等参数分析粒子循环.
- 评估了不同的通风配置,以确定有利的设计.
主要成果:
- 确定了特定的通风设计,可以显著降低空气中的颗粒循环.
- 证明了出口管道的足迹和由此产生的空气流模式对于减少颗粒循环至关重要.
- 使用半衰期和高度指标量化量的粒子循环.
结论:
- 推断出一个有利的通风设计,以最大限度地减少在手术室的空气中的颗粒循环.
- 输出管道的足迹和气流模式是优化通风以控制感染的关键因素.
- 介绍了一个模块化框架,用于在手术环境中优化可适应的通风系统.
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