Use of real-time electronic extremity dosimeters for monitoring and optimisation of radiopharmacy technique.

IF 1.4 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Journal of Radiological Protection Pub Date : 2024-09-09 DOI:10.1088/1361-6498/ad71d9
S Cournane, J McCavana, D Maguire, L Tutty, L Harris, J Lucey, C Kenneally
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Abstract

Radiopharmacy staff members are subject to extremity radiation doses, particularly to the fingertips. Dosemeters, such as, thermoluminescent detectors (TLDs) are currently used for monitoring fingertip doses. This study aimed to use real-time dosemeters to monitor radiopharmacy extremity doses to identify specific procedural steps associated with higher fingertip doses and, subsequently, reduce dose through promotion of optimised radiation protection practises. Five radiopharmacy operators were monitored using an ED3 active extremity dosemeter with a detector attached to each tip of the index fingers. Dose rate and accumulated dose data were matched to the handled radioactivity data, of99mTc-labelled radiopharmaceuticals only, with the dose per activity (μSv MBq-1) calculated for each step. Once baseline dose data was established, an educational session identified technique adjustments toward improved radiation protection. A subsequent monitored session was undertaken with the dose data compared to quantify changes in operator doses. Radiopharmacy steps which significantly contributed to extremity doses were identified. The average accumulated dose per activity across all procedural steps for the99mTc-labelled radiopharmaceuticals for all operators before the educational session was 0.042 ± 0.045μSv MBq-1and 0.042 ± 0.041μSv MBq-1(n= 89) for non-dominant and dominant index fingertips, respectively, and 0.030 ± 0.044μSv MBq-1and 0.031 ± 0.032μSv MBq-1(n= 97), respectively, afterwards. Overall, there was an average 40.7% reduction in the total extremity dose received after the educational session. Real-time electronic extremity dosemeters for monitoring radiopharmacy extremity dose presented as a useful tool for incorporation into radiation protection education and training, towards optimised radiopharmacy technique.

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使用实时电子肢体剂量计监测和优化放射药剂技术。
导言:放射药房工作人员受到四肢辐射剂量的影响,尤其是指尖。热释光探测器(TLD)等剂量计目前用于监测指尖剂量。本研究旨在使用实时剂量计监测放射药剂学的肢体剂量,以确定与较高指尖剂量相关的特定程序步骤,进而通过推广优化辐射防护实践来降低剂量:使用 ED3 有源肢端剂量计对五名放射药剂操作员进行监测,该剂量计在食指指尖各安装了一个探测器。剂量率和累积剂量数据与处理的放射性数据(仅 99mTc 标记的放射性药物)相匹配,并计算每个步骤的单位放射性活度剂量(Sv/MBq)。一旦确定了基线剂量数据,一次教育会议就确定了改进辐射防护的技术调整。随后又进行了一次监测,对剂量数据进行比较,以量化操作员剂量的变化:结果:确定了对四肢剂量有重大影响的放射治疗步骤。在教育课程之前,所有操作者在所有程序步骤中使用 99mTc 标记放射性药物的每次活动的平均累积剂量分别为 0.0420.045 Sv/MBq 和 0.0420.041 Sv/MBq (n = 89),之后分别为 0.030  0.044 Sv/MBq 和 0.031  0.032 Sv/MBq (n = 97)。总体而言,教育课程结束后,肢体接受的总剂量平均减少了 40.7%:用于监测放射性药物肢端剂量的实时电子肢端剂量计是一种有用的工具,可用于辐射防护教育和培训,以优化放射性药物治疗技术。
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来源期刊
Journal of Radiological Protection
Journal of Radiological Protection 环境科学-公共卫生、环境卫生与职业卫生
CiteScore
2.60
自引率
26.70%
发文量
137
审稿时长
18-36 weeks
期刊介绍: Journal of Radiological Protection publishes articles on all aspects of radiological protection, including non-ionising as well as ionising radiations. Fields of interest range from research, development and theory to operational matters, education and training. The very wide spectrum of its topics includes: dosimetry, instrument development, specialized measuring techniques, epidemiology, biological effects (in vivo and in vitro) and risk and environmental impact assessments. The journal encourages publication of data and code as well as results.
期刊最新文献
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