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新型放射疗法装置的双重好处:改善接入和减少排放

David Ali¹, Max Piffoux²

¹Radiotherapie de Versailles, CRTT, Versailles, France.

Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology

|September 15, 2025

概括

在法国战略性地放置新的放射疗法装置和重新分配线性加速器可以改善患者的接入,并减少外部光束放射疗法的碳排放. 这种方法为减少碳排放和增加处理能力提供了显著的投资回报.

科学领域:

医疗保健服务研究医疗服务研究
环境健康环境健康
医学物理医学物理

背景情况:

放射治疗的可访问性及其显著的碳足迹,主要来自患者运输,在欧洲各个地方各不相同.
外部光束放射治疗 (EBRT) 的规划需要平衡患者的接入与环境影响.

研究的目的:

评估是否新的放射治疗装置 (RUs) 和线性加速器 (LINAC) 的重新分配可以提高EBRT的可访问性,并减少其在法国的碳足迹.
确定新铁路企业和LINAC重新分配的最佳位置,以提高效率和公平性.

主要方法:

采用了全国范围的位置分配 (LA) 模型,考虑了可访问性,公平性,资源密度和温室气体排放.
进行了灵敏度分析,以验证模型对拟议解决方案稳定性的发现.

主要成果:

在13个集群中确定了27个潜在的新 RU 位置,平均碳投资回报率 (ROI) 为4.6年.
实施最佳的铁路运输企业配置和LINAC重新分配可以在10年内节省26,050CO2eq,改善超过330万个人的使用.
另外每年有912名患者可以接受放射治疗,克服了由于旅行时间的治疗障碍.

结论:

战略性地安置新的RU和LINAC重新分配可以同时提高放射治疗的可访问性,并减少EBRT的碳足迹.
虽然有利,但碳减排的影响是有限的,需要同时探索更有效的缓解策略.

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