Reconstruction of Radiation Dose Received by Diagnostic Radiologic Technologists in Korea

최영철; 김재영; 이중정; 전재관; 이원진

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자료유형: 학술저널

저자정보: 최영철 김재영 이중정 전재관 이원진

저널정보: 대한예방의학회 예방의학회지 예방의학회지 제49권 제5호

발행연도: 2016.1

수록면: 288 - 300 (13page)

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연구주제

📖

연구배경

🔬

연구방법

🏆

연구결과

초록· 키워드

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Objectives: Diagnostic medical radiation workers in Korea have been officially monitored for their occupational radiation doses since 1996. The purpose of this study was to design models for reconstructing unknown individual radiation doses to which diagnostic radiation technologists were exposed before 1996. Methods: Radiation dose reconstruction models were developed by using cross-sectional survey data and the personal badge doses of 8167 radiologic technologists. The models included calendar year and age as predictors, and the participants were grouped into six categories according to their sex and facility type. The annual doses between 1971 and 1995 for those who were employed before 1996 were estimated using these models. Results: The calendar year and age were inversely related to the estimated radiation doses in the models of all six groups. The annual median estimated doses decreased from 9.45 mSv in 1971 to 1.26 mSv in 1995, and the associated dose variation also decreased with time. The estimated median badge doses from 1996 (1.22 mSv) to 2011 (0.30 mSv) were similar to the measured doses (1.68 mSv to 0.21 mSv) for the same years. Similar results were observed for all six groups. Conclusions: The reconstruction models developed in this study may be useful for estimating historical occupational radiation doses received by medical radiologic technologists in Korea.

#Dosimetry #Historical reconstruction #Occupational exposure #Radiation #Workers

참고문헌 (15)

참고문헌 신청

National Council on Radiation Protection and Measurements / NCRP report no. 163: radiation dose reconstruction: principles and practices

Boice JD / 2006 / A comprehensive dose reconstruction methodology for former rocketdyne/atomics international radiation workers / Health Phys 90(5):409~430

Bouville A / 2015 / Dose reconstruction for the million worker study: status and guidelines / Health Phys 108(2):206~220

Eheman CR / 1999 / Estimating occupational radiation doses when individual dosimetry information is not available: a job exposure matrix / Am J Ind Med 36(3):348~359

Yoshinaga S / 1998 / Results and problems of occupational dose reconstruction for Japanese radiological technologists / Radiat Prot Dosimetry 77(1-2):73~78

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