Cleveland Clinic, Department of General Surgery, Cleveland, OH, USA; Yale University, School of Public Health, USA.
Cleveland Clinic, Department of General Surgery, Cleveland, OH, USA.
Surgeon. 2024 Aug;22(4):236-241. doi: 10.1016/j.surge.2024.05.003. Epub 2024 Jun 10.
INTRODUCTION: As hospitals strive to reduce their environmental footprint, there is an ongoing debate over the environmental implications of reusable versus disposable linens in operating rooms (ORs). This research aimed to compare the environmental impact of reusable versus single-use OR bed covers and lift sheets using life cycle assessment (LCA) methodology. METHODS: LCA is an established tool with rigorous methodology that uses science-based processes to measure environmental impact. This study compared the impacts of three independent system scenarios at a single large academic hospital: reusable bed covers with 50 laundry cycles and subsequent landfill disposal (System 1), single-use bed covers with waste landfill disposal (System 2), and single-use bed covers with waste disposal using incineration (System 3). RESULTS: The total carbon footprint of System 1 for 50 uses was 19.83 kg carbon dioxide equivalents (CO-eq). System 2 generated 64.99 kg CO-eq. For System 3, the total carbon footprint was 108.98 kg CO-eq. The raw material extraction for all the material to produce an equivalent 50 single-use OR bed cover kits was tenfold more carbon-intensive than the reusable bed cover. Laundering one reusable OR bed cover 50 times was more carbon intensive (12.12 kg CO2-eq) than landfill disposal of 50 single-use OR bed covers (2.52 kg CO2-eq). DISCUSSION: Our analysis demonstrates that one reusable fabric-based OR bed cover laundered 50 times, despite the carbon and water-intensive laundering process, exhibits a markedly lower carbon footprint than its single-use counterparts. The net difference is 45.16 kg CO2-eq, equivalent to driving 115 miles in an average gasoline-powered passenger vehicle. This stark contrast underscores the efficacy of adopting reusable solutions to mitigate environmental impact within healthcare facilities.
简介:随着医院努力减少其环境足迹,手术室(OR)中可重复使用与一次性衬垫的环境影响问题仍存在争议。本研究旨在使用生命周期评估(LCA)方法比较可重复使用与一次性 OR 床罩和升降片的环境影响。
方法:LCA 是一种具有严格方法的既定工具,它使用基于科学的流程来衡量环境影响。本研究比较了单一大型学术医院中三个独立系统方案的影响:经过 50 次洗涤循环和随后的垃圾填埋处置的可重复使用床罩(系统 1)、一次性床罩与垃圾填埋处置(系统 2)、以及一次性床罩与焚烧处置(系统 3)。
结果:系统 1 重复使用 50 次的总碳足迹为 19.83 千克二氧化碳当量(CO-eq)。系统 2 产生 64.99 千克 CO-eq。对于系统 3,总碳足迹为 108.98 千克 CO-eq。生产相当于 50 个一次性 OR 床罩套件的所有材料的原材料提取比可重复使用的床罩多十倍的碳密集度。重复使用一个 OR 床罩 50 次的洗涤比 50 个一次性 OR 床罩的垃圾填埋处置(2.52 千克 CO2-eq)多 12.12 千克 CO2-eq 的碳密集度。
讨论:我们的分析表明,尽管洗涤过程需要消耗大量的碳和水,但经过 50 次洗涤的一次性织物基 OR 床罩比一次性床罩具有明显更低的碳足迹。净差异为 45.16 千克 CO2-eq,相当于在普通汽油动力乘用车中行驶 115 英里。这种鲜明的对比突出了在医疗保健设施中采用可重复使用的解决方案来减轻环境影响的效果。
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