可持续的采购实践:在急诊部比较一次性和可重复使用的脉冲氧计
Juliana Duffy1, Jonathan E Slutzman2,3, Cassandra L Thiel4
1University of Toronto, Temerty Faculty of Medicine, Division of Emergency Medicine, Toronto, Ontario, Canada.
The western journal of emergency medicine
|January 2, 2024
概括
可重复使用的脉冲氧计与一次性相比,显著减少了温室气体排放. 在急诊室切换到可重复使用的设备可以大大降低医疗保健的碳足迹.
科学领域:
- 环境科学 环境科学
- 医疗保健的可持续性 医疗保健的可持续性
- 医疗器械技术 医疗器械技术
背景情况:
- 医疗保健提供产生大量的废物,导致环境污染和气候变化.
- 可重复使用的医疗器械往往比一次性使用的替代品更有利于环境.
- 特别是脉冲氧计探针对环境的影响还没有被彻底研究.
研究的目的:
- 为了在急诊室 (ED) 设置中比较一次性和可重复使用的脉冲氧计探针的日常碳足迹.
- 量化与每种类型脉冲氧计相关的温室气体 (GHG) 排放量.
- 评估可重复使用的脉冲氧计在临床环境中的环境可行性.
主要方法:
- 进行了生命周期评估 (LCA),以分析脉冲氧计的温室气体排放量 (kgCO2e).
- 场景包括可重复使用的氧计的低,中和高使用,以及在城市的第三级护理ED中使用一次性氧计的标准使用.
- 数据使用LCA软件,ecoinvent数据库进行分析,并包括不确定性和灵敏度分析,包括平衡点计算.
主要成果:
- 可重复使用的脉冲氧计在所有使用场景 (3.95.7千克CO2e) 中,与一次性使用的氧计 (23.4千克CO2e) 相比,每日温室气体排放量显著降低.
- 不确定性分析证实,可重复使用和一次性使用设备之间的排放没有重叠.
- 可重复使用的氧计仅在2.3次使用后就与一次性设备实现了排放平价,清洁是重复使用 (99%) 和一次性产品 (74%) 的主要排放来源.
结论:
- 可重复使用的脉冲氧计在温室气体排放方面比一次性使用的一次性探针提供了相当大的环境优势.
- 全球应急部门广泛采用可重复使用的脉冲氧计,可能会大大减少与医疗保健相关的碳排放.
- 该研究强调了在紧急护理机构内使用基本医疗设备的绿色实践的潜力.
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