{"title":"Trends and evolution in computed tomography radiation dose from 2018 and 2023: a Swiss perspective of the medical radiation exposure<sup />.","authors":"Barbara Ott, Reto Treier, Philipp R Trueb","doi":"10.1088/1361-6498/adf1ad","DOIUrl":null,"url":null,"abstract":"<p><p>This study analysed computed tomography (CT) radiation dose trends in Switzerland from 2018 and 2023 with the aim to update the CT dose estimation for the 2023 national survey on radiation exposure of the Swiss population. Data from eight major healthcare providers, including all five Swiss university hospitals, were collected for nine key anatomical regions. The analysis showed large variability in dose length product changes, ranging from -55% to +30.2% across anatomical regions and providers. Most regions exhibited dose reductions, with the largest decreases in the<i>hip</i>(-15.4%) and<i>pelvis</i>(-11.4%), whereas the<i>spine</i>showed the greatest dose increase (+6.6%). The statistical analysis revealed no significant differences between university hospitals and other healthcare providers.</p>","PeriodicalId":50068,"journal":{"name":"Journal of Radiological Protection","volume":" ","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Radiological Protection","FirstCategoryId":"93","ListUrlMain":"https://doi.org/10.1088/1361-6498/adf1ad","RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENVIRONMENTAL SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
This study analysed computed tomography (CT) radiation dose trends in Switzerland from 2018 and 2023 with the aim to update the CT dose estimation for the 2023 national survey on radiation exposure of the Swiss population. Data from eight major healthcare providers, including all five Swiss university hospitals, were collected for nine key anatomical regions. The analysis showed large variability in dose length product changes, ranging from -55% to +30.2% across anatomical regions and providers. Most regions exhibited dose reductions, with the largest decreases in thehip(-15.4%) andpelvis(-11.4%), whereas thespineshowed the greatest dose increase (+6.6%). The statistical analysis revealed no significant differences between university hospitals and other healthcare providers.
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.
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