초록

Radiation workers working in nuclear medicine department are exposed to radiation, especially in extremities and the eye lens, due to their work consisting of distributing radioactive isotopes and injecting patients with the radiological materials. The assessment of radiological exposure to the extremities and the eye lens using whole body effective dose assessment method cannot be deemed valid; Because the extremities and the eye lens cannot be constantly protected, there needs to be another dose assessment method. Despite the apparent error in the current assessment method, radiation workers in nuclear medicine department overlook exposure to radiation in the extremities and the eye lens, leading to the current lack of exposure dose control. As such, we set out to understand the radiation workers’ level of knowledge and awareness in this issue by surveying 33 radiation workers working in Korean nuclear medicine department. As for the level of knowledge about the dosimeter for extremities and the eye lens, most radiation workers were aware that radiation exposure in the extremities and the eye lens took place during their work, as well as yearly exposure dose limit, but they were not as knowledgeable about the dosimeter. In the assessment of the radiation workers’ awareness of dosimeter, these professionals acknowledged the necessity of wearing a dosimeter to manage the exposure dose in the extremities and the eye lens, although their level of understanding and trust for these products were rather low. In the current usage of dosimeters in nuclear medicine department, it was revealed that most radiation workers do not wear dosimeters during their work, which led to the lack of exposure dose assessment during distribution and injection tasks. As such, the current study concludes that policies on exposure dose measurement and assessment are required to optimize the amount of exposure to the extremities and the eye lens in radiation workers, in addition to continued education and training to change awareness about controlling the exposure dose.

키워드

Dosimeter, Exposure dose, Extremities, Eye lens, Awareness, Radiation workers

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