비스무스 차폐체 개발을 통한 소아 방사선검사의 피폭에 관한 연구
Pediatric Radiation Examination by Development of Bismuth Shield Research on Radiation Exposure
1
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Currently, with the development of technologies, X-ray examinations for medical examinations at hospital is increasing. This study was conducted to help reduce radiation exposure by measuring the exposure dose received by pe- diatric patients and the spatial dose of the X-ray room. Dosimeters were installed in the eyeball, thyroid gland, breast, gonads and 4 directions at a distance of 30 cm, 40 cm, 50 cm from the phantom. The dose was measured ten times each, before, and after the application of the bismuth shield under the examination conditions of the head, chest, and abdomen of pediatric patients. Under the condition of head examination, when a shielding was applied, the dose reduc- tion rate was 68.58% for the eyeball, 72.88% for the thyroid, 84.2% for the breast, and 72.36% for the gonad. The chest examination showed reductions of 19.56% eyeball, 56.98% thyroid, 1.21% breast, and 0.68% gonad. The abdominal examination showed reduction rates of 2.6% eyeball, 10.67% thyroid, 19.85% breast, and 82.02% gonad. Spatial dose decreased by 62.25% at 30 cm, 61.16% at 40 cm, and 68.68% at 50 cm. When the bismuth shield was applied, there was a de- crease in dose across all examinations, as well as a reduction in spatial dose. Continued research on the use of bismuth shields will help radiological technologists achieve their goal of dose reduction.
Abstract
Currently, with the development of technologies, X-ray examinations for medical examinations at hospital is increasing. This study was conducted to help reduce radiation exposure by measuring the exposure dose received by pe- diatric patients and the spatial dose of the X-ray room. Dosimeters were installed in the eyeball, thyroid gland, breast, gonads and 4 directions at a distance of 30 cm, 40 cm, 50 cm from the phantom. The dose was measured ten times each, before, and after the application of the bismuth shield under the examination conditions of the head, chest, and abdomen of pediatric patients. Under the condition of head examination, when a shielding was applied, the dose reduc- tion rate was 68.58% for the eyeball, 72.88% for the thyroid, 84.2% for the breast, and 72.36% for the gonad. The chest examination showed reductions of 19.56% eyeball, 56.98% thyroid, 1.21% breast, and 0.68% gonad. The abdominal examination showed reduction rates of 2.6% eyeball, 10.67% thyroid, 19.85% breast, and 82.02% gonad. Spatial dose decreased by 62.25% at 30 cm, 61.16% at 40 cm, and 68.68% at 50 cm. When the bismuth shield was applied, there was a de- crease in dose across all examinations, as well as a reduction in spatial dose. Continued research on the use of bismuth shields will help radiological technologists achieve their goal of dose reduction.
참고문헌 (16)
- "Assessment of radiation exposure of Korean population by medical radiatio (Number of national medical radiation cases and exposure dose for 2016-2019)" (2021)[URL]
- "2020-2022 National medical radiation eval uation annual report" (2024)[URL]
- "2020 National emergency medical information network statistical yearbook" (2023)[URL]
- Hall EJ, "Lessons we have learned from our children : Cancer risks from diagnostic radiology", Pediatr Radiol, 32(10), pp.700~706 (2002)[DOI]
- KIl JW, "Personal exposure dose for radiation-related workers in medical institutions in 2020", The Korean Association for Radiation Protection, 2021(11), pp.617~618 (2021)
- "Pediatric radiation exposure" (2012)[URL]
- Ye SH, "Parkinson’s disease among Firefighters : A focused review on the potential effects of exposure to toxic chemicals at the fire scene", Korean Journal of Biological Psychiatry, 24(1), pp.19~25 (2017)[DOI]
- Matsuda M, "Evaluation of lead aprons and their maintenance and management at our hospital", Journal of Anesthesia, 30(3), pp.518~521 (2016)[DOI]
- Yu L, "Bismuth oxide films for X-ray shielding : Effects of particle size and structural morphology", Materials Chemistry and Physics, 260(15), pp.124084~ (2021)[DOI]
- ICRP, "The optimisation of radiological protection:Broadening the process" (2007), SAGE Publications Ltd
- Chu SS, "Current status of radiation safety management by radiation medical use", Journal of Radiation Protection and Research, 15(1), pp.39~46 (1990)
- Seong DW, "Radiation exposure in diagnostic areas : Issues and countermeasures", Journal of the Korean Medical Association, 54(12), pp.1246~1247 (2011)
- Han SH, "Evaluation of radiation shielding rate of lead aprons in nuclear medicine", Journal of Radiological Science and Technology, 40(1), pp.41~47 (2017)
- Kang SS, "Radiation exposure evaluation of visual organs using bismuth shielding material on head CT scan", The Journal of the Korea Contents Association, 16(7), pp.451~456 (2016)
- Lee JH, "The evaluation and develo pment of head and neck radiation protective device for chest radiography in 10 years children", Journal Of Radiation Protection And Research, 40(2), pp.118~123 (2015)[DOI]
- Do SL, "Measurement of spatial scattered dose distribution according to presence or absence of radiation shielding in the operating room", Journal of Radiological Science and Technology, 40(4), pp.549~556 (2017)[DOI]