Analysis of abnormal individual dose monitoring results in 206 medical institutions in a selected region in 2024
10.13491/j.issn.1004-714X.2025.04.001
- VernacularTitle:某地区206家医疗机构2024年个人剂量监测异常结果分析
- Author:
Hua TUO
1
;
Wenyan LI
1
;
Lantao LIU
1
;
Guiying ZHANG
1
;
Zeqin GUO
1
;
Heyan WU
1
Author Information
1. Beijing Prevention and Treatment Hospital of Occupational Disease， Beijing 100093, China.
- Publication Type:OriginalArticles
- Keywords:
Individual dose monitoring;
Abnormal result;
High-dose investigation
- From:
Chinese Journal of Radiological Health
2025;34(4):471-476
- CountryChina
- Language:Chinese
-
Abstract:
Objective To analyze the abnormal individual dose monitoring results in 206 medical institutions in a selected region in 2024, and to propose improvement measures. Methods Individuals with monitoring results exceeding the investigation level were subjected to high-dose investigation, and the results were statistically analyzed. Results In 2024, the individual dose monitoring of 206 medical institutions in a selected region showed 1.04% abnormal results. The proportions of abnormal results from primary, secondary, and tertiary medical institutions were 12.22%, 3.33%, and 84.45%, respectively. In analysis of the causes of abnormal results, 52.53% of the cases were due to personal dosimeters left in the radiation workplace, and 20.20% were due to the confusion in wearing personal dosimeters inside and outside the lead apron. In analysis of the occupational distribution of the radiation workers with abnormal monitoring results, interventional radiology and diagnostic radiology accounted for 73.34% and 24.44%, respectively. Statistical analysis of the dose range showed that doses in the ranges of 1.25-2.0 mSv and 2.0-5.0 mSv accounted for 42.22% and 33.33%, respectively. In the report of abnormal monitoring results, the proportions of reporting notional dose and reporting measured results accounted for 88.89% and 11.11%, respectively. Among institutions with consecutive abnormal results, primary, secondary, and tertiary medical institutions accounted for 15.39%, 7.69%, and 76.92%, respectively. Conclusion The level of the hospital, occupational type, the perceived importance of the hospital to the management of radiation protection, and the perceived importance and compliance of the radiation workers with the individual dose monitoring are potential causes of abnormal results. It is recommended that employers should enhance radiation protection training for their radiation workers to ensure proper wearing and storage of dosimeters, and progressively improve the standardization and effectiveness of individual dose monitoring practice.
