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分布尿液收集袋对废水中对比物质负载的影响
Ben J A Janssen1,2, Frank M Zijta2,3,4, Natasja Fraters5
1Department of Pharmacology & Toxicology, Faculty of Health Medicine and Life Sciences (FHML), Maastricht University, Maastricht, The Netherlands.
European radiology
|October 17, 2025
概括
尿液收集袋 (UCB) 在废水中略有减少了对比物质 (CM),但合规数据高估了影响. 废水测量对于评估CM缓解策略至关重要.
科学领域:
- 环境科学 环境科学
- 临床化学 临床化学
背景情况:
- 医学成像中使用的对比材料 (CM) 越来越多地被检测为废水中的环境污染物.
- 污水处理厂 (WWTP) 努力有效地去除这些惰性CM.
- 本研究研究了一种实际干预措施,以减少WWTP影响下的CM负载.
研究的目的:
- 评估分发尿液收集袋 (UCB) 在减少废水流入中的对比材料负载方面的有效性.
- 为了将CM负载的实际减少与UCB使用的合规数据进行比较.
主要方法:
- 一项前性,观察性,多中心研究,将控制期与UCB分发的干预期进行比较.
- 包括接受对比度增强CT (-CM) 或MRI (加多-CM) 的患者.
- 用线性回归来测量和分析影响WWTP的CM负载,通过采访评估患者的遵守.
主要成果:
- 统计学上,UCB的分布导致了CM负载的显著减少: -17.4%的IOPROMIDE, -14.8%的IOVERSOL,和加多 (-7.2%至-33.2%) 的不同效应.
- 患者采访显示,UCB的使用报告高 (92.1%),但基于遵守的CM减少估计明显高于测量效应.
- 测量到的CM负载减轻是适度的,这表明仅仅是合规数据就高估了干预的影响.
结论:
- 分发尿液收集袋对减少废水对比物质负载具有统计学意义,但影响很小.
- 来自患者自我报告的合规数据往往高估了旨在减少废水中CM的干预措施的实际影响.
- 废水测量对于准确评估环境污染物 (如对比材料) 缓解策略的有效性至关重要.
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