Objective To analyze the monitoring results of individual dose of external exposure of radiation workers in a tertiary hospital and provide important reference for radiation protection. Methods Radiation workers in different posts of a tertiary hospital were selected as the research objects.The monitoring results of 3541 personal dose from 2009 to 2018 were collected, and the annual collective effective dose and per capita annual effective dose of radiation workers in different years and different posts were analyzed. Results The total annual collective effective dose from 2009 to 2018 was 239.66 person · mSv, and the per capita dose was 0.07 mSv/year.The difference was statistically significant in different types of work (H=198.20, P<0.001).The per capita annual effective dose of interventional radiology workers was the highest (0.13 mSv/ year), followed by nuclear medicine workers (0.10 mSv/year). Conclusion Most of the radiation workers have law individual dose level in the hospital.It is necessary to pay more attention to the dose level of nuclear medicine department and interventional radiology department.
Key words
Radiation Work /
Individual dose /
Occupational Contacts
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