Journal Article
Ernest Osei,
Department of Medical Physics
, Grand River Regional Cancer Center, 835 King Street West, Kitchener, Ontario, N2G 1G3,
Canada
Department of Physics & Astronomy
, University of Waterloo, 200 University Ave W, ON N2L 3G1,
Canada
Department of Systems Design Engineering
, University of Waterloo, 200 University Ave West, ON N2L 3G1,
Canada
Department of Clinical Studies
, Ontario Veterinary College, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1,
Canada
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Faiza Nuru,Department of Medical Physics
, Grand River Regional Cancer Center, 835 King Street West, Kitchener, Ontario, N2G 1G3,
Canada
School of Public Health & Health Systems
, University of Waterloo, 200 University Ave West, ON N2L 3G1,
Canada
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Michael MooreDepartment of Medical Physics
, Grand River Regional Cancer Center, 835 King Street West, Kitchener, Ontario, N2G 1G3,
Canada
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Revision received:
14 September 2020
Revision requested:
23 October 2020
Accepted:
23 October 2020
Published:
08 December 2020
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Ernest Osei, Faiza Nuru, Michael Moore, ASSESSMENT OF OCCUPATIONAL RADIATION DOSES OF MEDICAL RADIATION WORKERS IN TWO COMMUNITY HOSPITALS, Radiation Protection Dosimetry, Volume 192, Issue 1, October 2020, Pages 41–55, //doi.org/10.1093/rpd/ncaa190
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Abstract
The International Commission on Radiological Protection recommends the adoption of the linear, no-threshold model as a predictive risk model for radiation protection purposes since the relationship between low-dose radiation exposure and cancer risk is unclear. Medical radiation workers are subject to occupational exposures and differences in workload, area of work and types of exposure can lead to variations in exposures between different occupational groups. We investigated the occupational exposures of 572 workers from four departments in two community hospitals and stratified into 22 occupational groups in order to identify groups with the highest radiation exposure. The occupational doses from 2015 to 2019 were analyzed to identify the dose distribution of each occupational group, total number of monitored workers, annual and collective deep [Hp[10]], eye [Hp[3]] and shallow [Hp[0.07]] doses. We further determined the individual and occupational group lifetime doses as well as the probability that monitored workers’ lifetime doses will exceed a specified lifetime dose level. The occupational groups with the highest radiation exposures were the nuclear medicine technologists, diagnostic imaging radiologists and diagnostic cardiologists. Although our data suggest that occupational doses reported are low, it is essential that exposure of occupationally exposed personnel are always kept as low as reasonably achievable with an effective radiation protection program.
© The Author[s] 2020. Published by Oxford University Press. All rights reserved. For Permissions, please email:
© The Author[s] 2020. Published by Oxford University Press. All rights reserved. For Permissions, please email:
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ASSESSMENT OF OCCUPATIONAL RADIATION DOSES OF MEDICAL RADIATION WORKERS IN TWO COMMUNITY HOSPITALS - 24 Hours access
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