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KMID : 0385920190300050385
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Journal of the Korean Society of Emergency Medicine
2019 Volume.30 No. 5 p.385 ~ p.392
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Comparison of radiation exposure by area before and after emergency center remodeling
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Ahn Kwon-Soo
Lee Sang-Bong
Kim Dong-Hoon
Kim Tae-Yun
Kang Chang-Woo
Lee Soo-Hoon
Jeong Jin-Hee
Kim Seong-Chun
Park Yong-Joo
Lim Dae-Sung
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Abstract
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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.
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KEYWORD
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X-rays, Low dose radiation, Emergency center
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