DETERMINATION AND EVALUATION OF LONG-TERM ABSORBED RADIATION DOSES OF RADIATION WORKERS WORKING IN TARGETED RADIONUCLIDE THERAPIES
Objective: It is aimed to determine the radiation doses to which radiation workers working in radionuclide treatments in nuclear medicine are exposed in the long term and to determine the contribution of each routine treatment procedure to these doses. Materials and Methods: The personal dosimetry r...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Istanbul University Press
2023-02-01
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| Series: | Sabiad |
| Subjects: | |
| Online Access: | https://cdn.istanbul.edu.tr/file/JTA6CLJ8T5/875DE336BB5A489F8FEA0968DB551296 |
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| Summary: | Objective: It is aimed to determine the radiation doses to which radiation workers working in radionuclide treatments in nuclear medicine are exposed in the long term and to determine the contribution of each routine treatment procedure to these doses. Materials and Methods: The personal dosimetry records of doctors, nurses, health physicists, radiopharmacists, and cleaning staff, who routinely applied 131I treatment, 177Lu treatment, 90Y microsphere treatment, and 131I MIBG treatments were retrospectively analyzed for 6 years. The number of treatments performed in the same period and the persons assigned to these treatments were determined. Absorbed radiation doses of radiation workers in treatments and dose values per procedure were deduced from this information. Results: The highest average annual radiation dose was found to be 2185±1839 µSv in radiopharmacists. It was calculated as 786±943 µSv in nurses, 753±706 µSv in health physicists, 626±741 µSv in doctors and 961±1099 µSv in cleaning staff. The mean dose values calculated per procedure were found to be 129±208 μSv in the highest physicians. It was found 122±187 μSv in nurses, 76±122 μSv in health physicists, 76±52 μSv in radiopharmacists, and 42±64 μSv in cleaning staff. Conclusion: It was demonstrated that the annual radiation doses were within the permissible safe values and there was no excessive radiation exposure during radiopharmaceuticals preparation, administration to patients, and during the patients’ stay in the therapy unit. |
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| ISSN: | 2651-4060 |