Assessment of the likely stochastic effects associated with the effective dose and renal dose delivered to patients during an abdominopelvic examination in a Moroccan imaging department

IF 1.4 4区医学 Q4 ENVIRONMENTAL SCIENCES

Radioprotection Pub Date : 2024-02-01 DOI:10.1051/radiopro/2024005

M. Benamar, A. Housni, F-Z. Ouifaya, K. Amazian, A. Essahlaoui, A. Labzour

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Abstract

The objective of this study was to evaluate the effective dose and the renal dose delivered to patients during an abdominopelvic examinations, in order to estimate the likely stochastic effects and to judge the need for optimization of CT examination protocols. Data from 287 abdominopelvic examinations of adult patients referred to three Moroccan radiology departments were collected. The mean effective doses, mean renal doses, cancer and hereditary risks assessment were estimated using the weighting factors defined in ICRP 103. During the abdominopelvic CT exam, the effective dose received by the patient varies from 8.99 to 12.09 mSv with an average value of 10.29 mSv, and, the renal dose varies between 5.15 and 8.71 mSv with an average value of 7.56 mSv. The risk of induction of abdominopelvic and kidney cancer ranges from 49.44 to 66.49 and from 28.32 to 47.9 for 105 procedures, respectively. For the hereditary risk of abdominopelvic and renal exposure, it was in the range of 17.98 to 21.86 and 10.3 to 17.42 for 106 procedures, respectively. The results obtained show a wide variation in exposure doses during abdominopelvic CT scans from one hospital to another. Even so, the average effective dose and renal dose was generally lower than that recommended by the ICRP.

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评估摩洛哥一家影像科室在对患者进行腹部盆腔检查时可能产生的与有效剂量和肾脏剂量相关的随机效应

这项研究的目的是评估腹部盆腔检查时患者的有效剂量和肾脏剂量，以估计可能的随机效应，并判断是否需要优化 CT 检查方案。我们收集了摩洛哥三个放射科转诊的 287 名成年患者的腹盆腔检查数据。使用 ICRP 103 中定义的加权系数估算了平均有效剂量、平均肾脏剂量、癌症和遗传风险评估。在腹盆腔 CT 检查期间，患者接受的有效剂量在 8.99 至 12.09 mSv 之间变化，平均值为 10.29 mSv；肾脏剂量在 5.15 至 8.71 mSv 之间变化，平均值为 7.56 mSv。在 105 次手术中，诱发腹盆腔癌和肾癌的风险分别为 49.44 至 66.49 和 28.32 至 47.9。至于腹盆腔和肾脏暴露的遗传风险，在 106 例手术中分别为 17.98 至 21.86 和 10.3 至 17.42。研究结果表明，不同医院在进行腹盆腔 CT 扫描时的照射剂量差异很大。尽管如此，平均有效剂量和肾脏剂量普遍低于国际放射防护委员会建议的水平。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Radioprotection ENVIRONMENTAL SCIENCES-PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH

CiteScore

3.30

自引率

54.50%

发文量

审稿时长

>12 weeks

期刊介绍： Radioprotection 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 (theoretical and practical aspects): dosimetry, instrument development, specialized measuring techniques, epidemiology, biological effects (in vivo and in vitro) and risk and environmental impact assessments.