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Assessment of Occupational Dose in Fluoroscopy Procedures When Individual Monitoring Is Not Utilized

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2015
RAD2015_CirajBjelac_AssessmentOfOccupationalDose.pdf (2.834Mb)
Authors
Ciraj-Bjelac, Olivera
Arandjic, Danijela
Božović, Predrag
Ćeklić, Sandra
Stanković, Jelena S.
Lazarević, Đorđe R.
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Abstract
Fluoroscopy procedures may lead to increased radiation exposure of radiologists and other staff members. The objective of the study is to assess whole body radiation doses and doses to the eye in fluoroscopy procedures, based on measurements that allow for estimates of occupational doses when personal dosimeters have not been used. Four geometrical configurations were considered: overcouch x-ray tube with and without table mounted lead rubber curtains in place, undercouch x-ray tube with horizontal x-ray beam and undercouch x-ray tube with vertical x-ray beam. The doses were estimated using distribution of the scattered radiation and typical workload, as well as the pattern of used of protective tools. Estimated effective dose was in the range from few to 60 mu Sv per procedure for radiologist, and from few to 20 mu Sv per procedure for radiographer, depending on the geometrical configuration and level of personal protection. Corresponding unprotected eye doses were estimated to be in ...the range 0.03 - 2.8 mSv per procedure for radiologist and 0.02-0.78 mSv for radiographer. The presented results allowed for realistic estimations of the occupational whole body dose and dose to the eyes from the workload of the staff members and from the level of use of radiation protection tools when personal dosimeters have not been regularly used.

Keywords:
fluoroscopy / radiation dose / eye lens dose / scatter radiation / x-rays
Source:
RAD Conference Proceedings, 2015, 195-198
Projects:
  • Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden (RS-43009)
  • Physical and functional effects of radiation interaction with electrotechnical and biological systems (RS-171007)
Note:
  • 3rd International Conference on Radiation and Applications in Various Fields of Research (RAD), Jun 08-12, 2015, Budva, Montenegro

WoS: 000387979700042

Scopus: 2-s2.0-85057731783
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URI
http://vinar.vin.bg.ac.rs/handle/123456789/7123
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Vinča

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