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J Korean Soc Emerg Med > Volume 30(5); 2019 > Article
Journal of The Korean Society of Emergency Medicine 2019;30(5): 385-392.
응급센터 리모델링 전후 구역별 방사선 노출량 비교
안권수1 , 이상봉1,2 , 김동훈1,2 , 김태윤1,2 , 강창우1,2 , 이수훈1,2 , 정진희1,2 , 김성춘3 , 박용주3 , 임대성3
1경상대학교병원 응급의학교실
2창원경상대학교병원 응급의학교실
3경상대학교 건강과학연구원
Comparison of radiation exposure by area before and after emergency center remodeling
Kwonsoo Ahn1 , Sang Bong Lee1,2 , Dong Hoon Kim1,2 , Taeyun Kim1,2 , Changwoo Kang1,2 , Soo Hoon Lee1,2 , Jin Hee Jeong1,2 , Seong Chun Kim3 , Yong Joo Park3 , Daesung Lim3
1Department of Emergency Medicine, Gyeongsang National University Hospital, Gyeongsang National University School of Medicine, Jinju, Korea
2Department of Emergency Medicine, Gyeongsang National University Changwon Hospital, Gyeongsang National University School of Medicine, Changwon, Korea
3Gyeongsang Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Korea
Correspondence  Sang Bong Lee ,Tel: 055-750-8284, Fax: 055-757-0514, Email: bong3131@hanmail.net,
Received: April 30, 2019; Revised: May 28, 2019   Accepted: June 10, 2019.  Published online: October 31, 2019.
ABSTRACT
Objective:
Radiation is used extensively in emergency centers. Computed tomography and X-ray imaging are used frequently. Portable X-rays, in particular, cause a significant amount of indirect radiation exposure to medical personnel. The authors’ emergency center was remodeled, and a comparative study of radiation exposure was carried out in certain places that had experienced radiation for a long time.
Method:
The cumulative radiation dose was measured 20 times in the 24 hours prior to remodeling, and the cumulative radiation dose was measured again 20 times across the 24-hour period. The measurement points were fixed at the emergency doctor’s seat (Zone A), charge nurse’s seat (Zone B), and section nurse’s seat (Zone C). During the 24-hour cumulative radiation measurement period, the number of portable X-ray shots was recorded in the emergency center.
Results:
The mean of the 24-hour cumulative radiation measurements in zone A was 3.36±0.07 μSV and 4.54±0.07 μSV before and after remodeling, respectively (P<0.001). Regarding the number of portable X-rays performed during the measurement, a higher number of trials in the Pearson correction correlated with a higher radiation measurement.
Conclusion:
In an emergency medical center, there is a higher level of low-dose radiation exposure compared to that experienced from natural radioactivity. Regarding the number of portable X-rays, the cumulative radiation dose measured 24 hours after remodeling increased and can be assumed to be related to the environment.
Key words: X-rays; Low dose radiation; Emergency center
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