骨水泥烟雾在层状空气流中产生与常规通风的手术室:混合系统是否重要?
Matthew P Jamison1, Emily R Hunt2, Mary Catherine West1
1Department of Orthopaedic Surgery, Brigham & Women's Hospital, Boston, Massachusetts.
The Journal of bone and joint surgery. American volume
|August 28, 2023
概括
减少甲基甲酸盐 (MMA) 蒸气对于手术室的安全至关重要. 一个封闭的混凝土混合系统显著降低了MMA排放,特别是在传统的通风设置中.
科学领域:
- 整形外科手术 整形外科手术
- 职业健康 职业健康 职业健康
- 环境监测 环境监测
背景情况:
- 含有甲基甲烯酸盐 (MMA) 的骨水泥在骨科手术中广泛使用.
- 由于其强烈的气味和呼吸区中高度的潜力,MMA蒸汽构成职业健康危险.
- 在外科手术过程中减少MMA蒸汽暴露是一个重大问题.
研究的目的:
- 为了比较骨混凝土混合过程中的甲基甲酸盐 (MMA) 蒸汽水平.
- 为了评估五个商业混凝土混合系统的MMA排放.
- 评估两个操作室 (OR) 通风设置的影响:常规通风 (CV) 和层状空气流 (LAF).
主要方法:
- 一项前性体外研究是在一个医院进行的.
- 在水泥制备过程中,使用校准的MiniRAE 3000测量了MMA蒸汽释放.
- 在CV和LAF OR设置中测试了五种不同的真空水泥混合系统,每个系统在每个设置中使用了10次.
主要成果:
- 与LAF设置相比,MMA排放在CV设置中始终高于所有系统的LAF设置.
- 完全封闭的混凝土混合系统 (系统5) 在CV设置中显示了最低的MMA总体排放量.
- 层状空气流 (LAF) 环境在混合期间和混合后有效清除MMA烟雾.
结论:
- 使用LAF的手术室环境有效清除MMA烟雾并减少滞留的蒸气.
- 完全封闭的混凝土混合系统在最大限度地降低MMA烟雾水平方面非常有效,特别是在CV设置中.
- 使用封闭系统,特别是在CV OR中,可以减少MMA的职业暴露,促进更安全的工作环境.
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