• Medicine · Mar 2024

    Reducing the carbon footprint of operating rooms through education on the effects of inhalation anesthetics on global warming: A retrospective study.

    • Eun Ji Park, Jaesang Bae, Jisu Kim, Ji-Uk Yoon, Wangseok Do, Jung-Pil Yoon, Hong-Sik Shon, Yerin Kang, Hee Young Kim, and Ah-Reum Cho.
    • Department of Anesthesia and Pain Medicine, Medical Research Institute, Pusan National University Hospital, Busan, Republic of Korea.
    • Medicine (Baltimore). 2024 Mar 1; 103 (9): e37256e37256.

    AbstractEnvironmental concerns, especially global warming, have prompted efforts to reduce greenhouse gas emissions. Healthcare systems, including anesthesia practices, contribute to these emissions. Inhalation anesthetics have a significant environmental impact, with desflurane being the most concerning because of its high global warming potential. This study aimed to educate anesthesiologists on the environmental impact of inhalation anesthetics and assess changes in awareness and practice patterns, specifically reducing desflurane use. This study included data from patients who underwent surgery under general anesthesia 1 month before and after education on the effects of inhalation anesthetics on global warming. The primary endpoint was a change in inhalational anesthetic use. Secondary endpoints included changes in carbon dioxide equivalent (CO2e) emissions, driving equivalent, and medical costs. After the education, desflurane use decreased by 50%, whereas sevoflurane use increased by 50%. This shift resulted in a reduction in the overall amount of inhalational anesthetics used. The total CO2e and driving-equivalent values decreased significantly. The cost per anesthesia case decreased, albeit to a lesser extent than expected. Education on the environmental impact of inhalation anesthetics has successfully altered anesthesiologists' practice patterns, leading to reduced desflurane usage. This change has resulted in decreased CO2e emissions and has had a positive effect on mitigating global warming. However, further research is required to assess the long-term impact of such education and the variability in practice patterns across different institutions.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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