| Xu Xiao,Liu Xiang,Zhang Jie,Chen Qi,Fan Shengnan,Deng Jun.Analysis of individual dose monitoring results for medical radiation workers from occupational external exposure in Inner Mongolia from 2015 to 2019[J].Chinese Journal of Radiological Medicine and Protection,2021,41(2):104-109 |
| Analysis of individual dose monitoring results for medical radiation workers from occupational external exposure in Inner Mongolia from 2015 to 2019 |
| Received:October 26, 2020 |
| DOI：10.3760/cma.j.issn.0254-5098.2021.02.005 |
| KeyWords:Medical application Radiation workers External exposure Individual dose |
| FundProject:江西省卫生健康委科技计划项目(20203871,202131005);放射医学与辐射防护国家重点实验室资助项目(GZK1202019) |
| Author Name | Affiliation | E-mail | | Xu Xiao | Department of Radiation Hygiene, The Inner Mongolia Autonomous Region Comprehensive Center for Disease Control and Prevention, Hohhot 010031, China | | | Liu Xiang | Department of Radiation Protection, Hohhot Center for Disease Control and Prevention, Hohhot 010070, China | | | Zhang Jie | Department of Radiation Protection, Baotou Center for Disease Control and Prevention, Baotou 014030, China | | | Chen Qi | Department of Radiation Protection, Hulunbuir Center for Disease Control and Prevention, Hailar 021008, China | | | Fan Shengnan | Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China | | | Deng Jun | Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088, China | dengjun@nirp.chinacdc.cn |
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| Abstract:: |
| Objective To understand and analyze the levels of individual dose to medical radiation workers from occupational external exposure in Inner Mongolia autonomous region from 2015 to 2019, with a view to provide basic scientific data for workers' health protection and radiation protection management. Methods By using National Individual Dose Registry, the individual dose monitoring result and other related data for medical workers were collected and analyzed. Results The average annual individual doses to medical radiation workers in a time order from 2015 to 2019 were 0.72, 0.87, 0.88, 0.71 and 0.64 mSv, respectively. There were significant differences in the annual effective dose distribution in diagnostic radiology, dental radiology, nuclear medicine, radiotherapy, interventional radiology and other applications (H=466.56,P<0.05 ). The average annual effective doses to workers in interventional radiology and nuclear medicine had not shown significant difference (P>0.05), but significantly higher than those in other occupational categories (Z=19.95, 9.87, 10.10, 12.76,P<0.05). Conclusions The average annual effective dose to medical radiation workers is in accordance with the relevant national standards. The dose values for the radiation workers involved in interventional radiology and nuclear medicine are relatively high, especially for interventional radiology workers and radioactive drug operators. The protection measures should be further improved in radiation protection workplace. |
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