5 KNOWLEDGE emissions generated? Note: The figures come from different studies from different hospitals in different countries and are therefore only comparable to a limited extent. In this article, CO2 equivalents also fall under the term CO2 for simplification. CT = computed tomography; MRI = magnetic resonance imaging. The global healthcaresystem is responsible for 4.4% of CO2 emissions, and would rank fifth among the countries with the highest CO2 emissions [1]. KLINIKUM Heute: Up to1/3 of total hospital emissions [4] Anaesthetic gases: Imaging in hospitals per year: approx. 13 million MRI and CT: 17.5 and 9.2 kg (Ø) per scan, respectively [9] Catering: approx. 18% of hospital emissions [5] [8] 4. https://www.bund-berlin.de/fileadmin/berlin/publikationen/Klimaschutz-pdf/Fact-Sheet_Narkosegase_und_Klimaschutz_Update.pdf (accessed 26.06.2023) 5. Keller RL et al. (2021) From bandages to buildings: Identifying the environmental hotspots of hospitals. J Cleaner Prod 319: 128479. https://doi.org/10.1016/j.jclepro.2021.128479 6. Prasad PA et al. (2022) Environmental footprint of regular and intensive inpatient care in a large US hospital. Int J Life Cycle Assess 27: 38-49. https://doi.org/10.1007/ s11367-021-01998-8 7. Tomson C (2015) Reducing the carbon footprint of hospital-based care. Future Hosp J 2: 57-62. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6465872/ 8. https://www.bpb.de/kurz-knapp/zahlen-und-fakten/datenreport-2021/gesundheit/330100/diagnose-und-behandlung-im-krankenhaus/ (accessed 26.06.2023) 9. McAlister S et al. (2022) The carbon footprint of hospital diagnostic imaging in Australia. Lancet Reg Health West Pac 24: 100459. https://doi.org/10.1016/j.lanwpc.2022.100459 a 10. https://www.abfallmanager-medizin.de/zahl-des-monats/ein-krankenhaus-verbraucht-pro-bett-bis-zu-500-liter-wasser-am-tag/ (accessed 26.06.2023) HOSPITAL
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