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美国医院放射学实践的环境生命周期评估.

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  • 1From Koninklijke Philips NV, Amsterdam, the Netherlands (C.L.T., M.V.G., S.N., C.M., J.G., O.S., S.T.); and Department of Radiology, Vanderbilt University Medical Center, 1211 Medical Center Dr, VUH 1145, Nashville, TN 37212 (D.P., R.A.O., D.E.C., J.R.S.).

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概括

诊断放射学服务产生大量温室气体 (GHG) 排放,主要来自MRI和CT设备的临床使用. 减少这些成像程序的能源消耗是降低医疗保健部门碳足迹的关键.

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科学领域:

  • 环境科学 环境科学
  • 放射学 放射学是一门学科.
  • 医疗保健的可持续性 医疗保健的可持续性

背景情况:

  • 由于温室气体 (GHG) 排放导致的气候变化,对人类健康构成重大风险.
  • 美国的医疗保健部门占总温室气体排放量的8.5%.
  • 诊断放射学服务是医疗保健对环境影响的重要贡献者.

研究的目的:

  • 量化诊断放射学服务的生命周期环境影响.
  • 为了估计与单一学术医疗中心的放射科相关的温室气体排放.
  • 确定诊断放射学工作流程中排放的主要来源.

主要方法:

  • 根据ISO 14040:2006的指导方针进行了基于过程的生命周期评估 (LCA).
  • 该研究包括成像设备生产,能源使用 (MRI,CT,X光学,光学,美国),资本设备,用品,床单和数据存储.
  • 对成像设备的功耗进行了监测,并假定设备寿命为10年.

主要成果:

  • 诊断放射学服务在十年内产生了4.6千的二氧化碳当量 (kt CO2e).
  • 磁共振成像 (MRI) 占累计排放量的48%,计算机断层扫描 (CT) 占累计排放量的24%.
  • 临床使用成像设备 (54%),成像设备生产 (11%),PACS工作站 (11%) 和床单 (10%) 是主要的温室气体贡献者.

结论:

  • 在临床使用成像设备期间的能源消耗是诊断放射科部门温室气体排放的最大来源.
  • 核磁共振和CT设备是放射学中最重要的发射器.
  • 减少排放需要解决能源使用,设备制造以及相关供应和基础设施的问题.