美国医院放射科的环境生命周期评估。

IF 12.1 1区 医学 Q1 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Radiology Pub Date : 2024-11-01 DOI:10.1148/radiol.240398
Cassandra L Thiel, Marta Vigil-Garcia, Sachin Nande, Cecilia Meijer, Josephine Gehrels, Olesya Struk, Sophie Thornander, Denise Pullella, Reed A Omary, Diana E Carver, John R Scheel
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引用次数: 0

摘要

背景 气候变化主要由人类引起的温室气体排放造成,对人类健康构成重大威胁。在美国,医疗保健行业的温室气体排放量占总排放量的 8.5%。目的 对一个学术医疗中心的放射诊断服务的生命周期环境影响进行估算。材料与方法 对美国一家医院的放射诊断部门进行基于流程的生命周期评估(LCA),该部门为成人住院、门诊和急诊患者提供服务,评估遵循国际标准化组织(ISO 14040:2006)的指导方针。系统组件包括成像设备的生产和分配;成像设备(包括核磁共振成像、CT、射线照相和透视以及 US)的能源使用;其他资本设备的生产和使用;一次性、半耐用和耐用耗材及床单的生产;以及现场数据存储的生产和能源使用。在 2023 年 4 月期间,计量器监测了选定成像设备的用电量。建模假设设备寿命为 10 年。结果以每次扫描和 10 年期间的千吨二氧化碳当量 (kt CO2e) 排放量进行报告。敏感性分析评估了数据的可变性。结果 十年间,这些放射科服务产生了 4.6 千吨二氧化碳当量的温室气体排放,其中核磁共振成像占累计排放量的 48%(4.6 千吨二氧化碳当量中的 2.2),CT 占 24%(4.6 千吨二氧化碳当量中的 1.1)。成像设备(所有模式)的临床使用占部门温室气体排放的 54%(4.6 千吨二氧化碳当量中的 2.5 千吨)。其他显著贡献包括成像设备的生产(11%,占 4.6 千吨二氧化碳当量的 0.49)、图片存档和通信系统工作站的生产和使用(11%,占 4.6 千吨二氧化碳当量的 0.48)以及床单的生产和洗涤(10%,占 4.6 千吨二氧化碳当量的 0.47)。结论 临床使用成像设备产生的能耗占科室温室气体排放量的 50%以上,其中核磁共振成像和 CT 设备是主要的排放源。其他主要温室气体排放源包括成像设备的生产、图片存档和通信系统工作站的生产和使用,以及床单的生产和洗涤。© RSNA, 2024 可为本文提供补充材料。另请参阅本期 Thrall 的社论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Environmental Life Cycle Assessment of a U.S. Hospital-based Radiology Practice.

Background Climate change, driven primarily by human-induced greenhouse gas (GHG) emissions, poses major risks to human health. Health care contributes 8.5% of GHG emissions in the United States. Purpose To estimate the life cycle environmental impact of diagnostic radiology services within a single academic medical center. Materials and Methods This process-based life cycle assessment (LCA) of a diagnostic radiology department serving adult inpatient, outpatient, and emergency department patients in a U.S. hospital followed International Organization for Standardization (ISO 14040:2006) guidelines. System components included production and distribution of imaging equipment; energy use of imaging equipment, including MRI, CT, radiography and fluoroscopy, and US; production and use of other capital equipment; production of single-use, semidurable, and durable supplies and linens; and production and energy use from onsite data storage. Meters monitored the power usage of selected imaging equipment during April 2023. Modeling assumed an equipment lifespan of 10 years. Results are reported in kilotons of CO2 equivalent (kt CO2e) emissions per scan and over a 10-year period. A sensitivity analysis assessed variability of data. Results Over a decade, these radiology services generated 4.6 kt CO2e GHG emissions, with MRI responsible for 48% (2.2 of 4.6 kt CO2e) and CT responsible for 24% (1.1 of 4.6 kt CO2e) of cumulative emissions. Clinical use of imaging equipment (all modalities) accounted for 54% of departmental GHGs (2.5 of 4.6 kt CO2e). Other notable contributions include the production of imaging equipment (11%, 0.49 of 4.6 kt CO2e), the production and use of picture archiving and communication system workstations (11%, 0.48 of 4.6 kt CO2e), and linens production and laundering (10%, 0.47 of 4.6 kt CO2e). Conclusion Energy consumption from clinical use of imaging equipment accounted for more than 50% of departmental GHG emissions, with MRI and CT equipment as the major emitters. Other notable GHG contributors include the production of imaging equipment, the production and use of picture archiving and communication system workstations, and linens production and laundering. © RSNA, 2024 Supplemental material is available for this article. See also the editorial by Thrall in this issue.

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来源期刊
Radiology
Radiology 医学-核医学
CiteScore
35.20
自引率
3.00%
发文量
596
审稿时长
3.6 months
期刊介绍: Published regularly since 1923 by the Radiological Society of North America (RSNA), Radiology has long been recognized as the authoritative reference for the most current, clinically relevant and highest quality research in the field of radiology. Each month the journal publishes approximately 240 pages of peer-reviewed original research, authoritative reviews, well-balanced commentary on significant articles, and expert opinion on new techniques and technologies. Radiology publishes cutting edge and impactful imaging research articles in radiology and medical imaging in order to help improve human health.
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