Use of clinical exposure index and deviation index based on national diagnostic reference level as dose-optimization tools for general radiography in korea

Hyemin Park, Yongsu Yoon, Jungmin Kim, Jungsu Kim, Hoiwoun Jeong, Nobukazu Tanaka, Junji Morishita

研究成果: Contribution to journalArticle査読

抄録

The International Electrotechnical Commission introduced the concepts of exposure index (EI), target exposure index (EIT) and deviation index (DI) to manage and optimize patient dose in real time. In this study, we have proposed an appropriate method for setting the EIT based on the Korean national diagnostic reference levels (DRLs). Furthermore, we evaluated the use of clinical EI, EIT and DI as tools for patient dose optimization in clinical environments by observing the changes in DI with those in EIT. According to the Korean national exposure conditions, we conducted experiments on three representative radiographic examinations (chest posterior-Anterior, lateral and abdomen anterior-posterior) of clinical environments. As the exposure conditions and DRLs varied, the clinical EI, EIT and DI also varied. These results reveal that the clinical EI, EIT and DI can be used as tools for optimizing the patient dose if EIT is periodically and properly updated.

本文言語英語
ページ(範囲)439-451
ページ数13
ジャーナルRadiation Protection Dosimetry
191
4
DOI
出版ステータス出版済み - 10 1 2020

All Science Journal Classification (ASJC) codes

  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health

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