본 연구는 1998년부터 2002년도까지 전국 16개시 도 44개 종합병원에서 근무하고 있는 최근 5년간 방사선사의 개인평균피폭선량을 측정하여 지역별, 연도별, 병원별로 비교 분석 하였고, 방사선 장비 및 시설의 차이에서 발생될 수 있는 근무환경과 촬영건수의 표준화를 통하여 향후 체계적이고 합리적인 방사선사의 피폭선량 관리가 이루어질 수 있는 기초 자료를 제공하는 목적으로 분석하였다. 5년간 방사선사의 지역별 전체평균피폭선량은 1.61 mSv이었고, 지역별로 보면 대구가 4.74 mSv로 가장 높으며 강원이 4.65 mSv, 경기가 2.15 mSv로 높은 순으로 나타났으며, 가장 낮은 지역은 충북이 0.91 mSv이고 다음이 제주 0.94 mSv, 부산이 0.97 mSv 순으로 나타났다. 5년간 연도별 평균선량은 2000년도가 1.80 mSv로 가장 높게 나타났으며, 2002년이 1.77 mSv, 1999년 1.55 mSv, 2001년 1.50 mSv, 1998년이 1.36 mSv 순으로 나타났으며, 연도별, 지역별 평균피폭선량은 2001년도는 대구지역이 1998년, 1999년, 2000년, 2002년은 강원지역이 가장 높게 나타났고, 평균피폭선량이 1.0 mSv 이하로 나타난 지역은 1998년에는 제주, 충북, 울산, 1999년 울산, 경북, 제주, 2000년 충북, 2001년 경북, 전북, 2000년에는 인천, 전북, 제주로 나타났다. 병원별 피폭선량은 대구의 KMH가 가장 높게 나타났고, 다음으로 강원의 GAH, 서울의 CAH 순으로 높게 나타났으며, 피폭선량이 낮은 병원은 전남의 YSH가 가장 낮고, 경남의 GNH, 충남의 DKH 순으로 나타났다.
본 연구는 1998년부터 2002년도까지 전국 16개시 도 44개 종합병원에서 근무하고 있는 최근 5년간 방사선사의 개인평균피폭선량을 측정하여 지역별, 연도별, 병원별로 비교 분석 하였고, 방사선 장비 및 시설의 차이에서 발생될 수 있는 근무환경과 촬영건수의 표준화를 통하여 향후 체계적이고 합리적인 방사선사의 피폭선량 관리가 이루어질 수 있는 기초 자료를 제공하는 목적으로 분석하였다. 5년간 방사선사의 지역별 전체평균피폭선량은 1.61 mSv이었고, 지역별로 보면 대구가 4.74 mSv로 가장 높으며 강원이 4.65 mSv, 경기가 2.15 mSv로 높은 순으로 나타났으며, 가장 낮은 지역은 충북이 0.91 mSv이고 다음이 제주 0.94 mSv, 부산이 0.97 mSv 순으로 나타났다. 5년간 연도별 평균선량은 2000년도가 1.80 mSv로 가장 높게 나타났으며, 2002년이 1.77 mSv, 1999년 1.55 mSv, 2001년 1.50 mSv, 1998년이 1.36 mSv 순으로 나타났으며, 연도별, 지역별 평균피폭선량은 2001년도는 대구지역이 1998년, 1999년, 2000년, 2002년은 강원지역이 가장 높게 나타났고, 평균피폭선량이 1.0 mSv 이하로 나타난 지역은 1998년에는 제주, 충북, 울산, 1999년 울산, 경북, 제주, 2000년 충북, 2001년 경북, 전북, 2000년에는 인천, 전북, 제주로 나타났다. 병원별 피폭선량은 대구의 KMH가 가장 높게 나타났고, 다음으로 강원의 GAH, 서울의 CAH 순으로 높게 나타났으며, 피폭선량이 낮은 병원은 전남의 YSH가 가장 낮고, 경남의 GNH, 충남의 DKH 순으로 나타났다.
To find the personal radiation dose of radiological technologists, a survey was conducted to 623 radiological technologists who had been working at 44 general hospitals in Korea's 16 cities and provinces from 1998 to 2002. A total of 2,624 cases about personal radiological dose that were collected w...
To find the personal radiation dose of radiological technologists, a survey was conducted to 623 radiological technologists who had been working at 44 general hospitals in Korea's 16 cities and provinces from 1998 to 2002. A total of 2,624 cases about personal radiological dose that were collected were analyzed by region, year and hospital, the results of which look as follows : 1. The average radiation dose per capita by region and year for the 5 years was 1.61 mSv. By region, Daegu showed the highest amount 4.74 mSv, followed by Gangwon 4.65 mSv and Gyeonggi 2.15 mSv. The lowest amount was recorded in Chungbuk 0.91 mSv, Jeju 0.94 mSv and Busan 0.97 mSv in order. By year, 2000 appeared to be the year showing the highest amount of radiation dose 1.80 mSv, followed by 2002 1.77 mSv, 1999 1.55 mSv, 2001 1.50 mSv and 1998 1.36 mSv. 2. In 1998, Gangwon featured the highest amount of radiological dose per capita 3.28 mSv, followed by Gwangju 2.51 mSv and Daejeon 2.25 mSv, while Jeju 0.86mSv and Chungbuk 0.85 mSv belonged to the area where the radiation dose remained less than 1.0 mSv In 1999, Gangwon also topped the list with 5.67 mSv, followed by Daegu with 4.35 mSv and Gyeonggi with 2.48 mSv. In the same year, the radiation dose was kept below 1.0 mSv. in Ulsan 0.98 mSv, Gyeongbuk 0.95 mSv and Jeju 0.91 mSv. 3. In 2000, Gangwon was again at the top of the list with 5.73 mSv. Ulsan turned out to have less than 1.0 mSv of radiation dose in the years 1998 and 1999 consecutively, whereas the amount increased relatively high to 5.20 mSv. Chungbuk remained below the level of 1.0 mSv with 0.79 mSv. 4. In 2001, Daegu recorded the highest amount of radiation dose among those ever analyzed for 5 years with 9.05 mSv, followed by Gangwon with 4.01 mSv. The area with less than 1.0 mSv included Gyeongbuk 0.99 mSv and Jeonbuk 0.92 mSv. In 2002, Gangwon also led the list with 4.65 mSv while Incheon 0.88 mSv, Jeonbuk 0.96 mSv and Jeju 0.68 mSv belonged to the regions with less than 1.0 mSv of radiation dose. 5. By hospital, KMH in Daegu showed the record high amount of average radiation dose during the period of 5 years 6.82 mSv, followed by GAH 5.88 mSv in Gangwon and CAH 3.66 mSv in Seoul. YSH in Jeonnam 0.36 mSv comes first in the order of the hospitals with least amount of radiation dose, followed by GNH in Gyeongnam 0.39 mSv and DKH in Chungnam 0.51 mSv. There is a limit to the present study in that a focus is laid on the radiological technologists who are working at the 3rd referral hospitals which are regarded to be stable in terms of working conditions while radiological technologists who are working at small-sized hospitals are excluded from the survey. Besides, there are also cases in which hospitals with less than 5 years since establishment are included in the survey and the radiological technologists who have worked for less than 5 years at a hospital are also put to survey. We can't exclude the possibility, either, of assumption that the difference of personal average radiological dose by region, hospital and year might be ascribed to the different working conditions and facilities by medical institutions. It seems therefore desirable to develop standardized instruments to measure working environment objectively and to invent device to compare and analyze them by region and hospital more accurately in the future.
To find the personal radiation dose of radiological technologists, a survey was conducted to 623 radiological technologists who had been working at 44 general hospitals in Korea's 16 cities and provinces from 1998 to 2002. A total of 2,624 cases about personal radiological dose that were collected were analyzed by region, year and hospital, the results of which look as follows : 1. The average radiation dose per capita by region and year for the 5 years was 1.61 mSv. By region, Daegu showed the highest amount 4.74 mSv, followed by Gangwon 4.65 mSv and Gyeonggi 2.15 mSv. The lowest amount was recorded in Chungbuk 0.91 mSv, Jeju 0.94 mSv and Busan 0.97 mSv in order. By year, 2000 appeared to be the year showing the highest amount of radiation dose 1.80 mSv, followed by 2002 1.77 mSv, 1999 1.55 mSv, 2001 1.50 mSv and 1998 1.36 mSv. 2. In 1998, Gangwon featured the highest amount of radiological dose per capita 3.28 mSv, followed by Gwangju 2.51 mSv and Daejeon 2.25 mSv, while Jeju 0.86mSv and Chungbuk 0.85 mSv belonged to the area where the radiation dose remained less than 1.0 mSv In 1999, Gangwon also topped the list with 5.67 mSv, followed by Daegu with 4.35 mSv and Gyeonggi with 2.48 mSv. In the same year, the radiation dose was kept below 1.0 mSv. in Ulsan 0.98 mSv, Gyeongbuk 0.95 mSv and Jeju 0.91 mSv. 3. In 2000, Gangwon was again at the top of the list with 5.73 mSv. Ulsan turned out to have less than 1.0 mSv of radiation dose in the years 1998 and 1999 consecutively, whereas the amount increased relatively high to 5.20 mSv. Chungbuk remained below the level of 1.0 mSv with 0.79 mSv. 4. In 2001, Daegu recorded the highest amount of radiation dose among those ever analyzed for 5 years with 9.05 mSv, followed by Gangwon with 4.01 mSv. The area with less than 1.0 mSv included Gyeongbuk 0.99 mSv and Jeonbuk 0.92 mSv. In 2002, Gangwon also led the list with 4.65 mSv while Incheon 0.88 mSv, Jeonbuk 0.96 mSv and Jeju 0.68 mSv belonged to the regions with less than 1.0 mSv of radiation dose. 5. By hospital, KMH in Daegu showed the record high amount of average radiation dose during the period of 5 years 6.82 mSv, followed by GAH 5.88 mSv in Gangwon and CAH 3.66 mSv in Seoul. YSH in Jeonnam 0.36 mSv comes first in the order of the hospitals with least amount of radiation dose, followed by GNH in Gyeongnam 0.39 mSv and DKH in Chungnam 0.51 mSv. There is a limit to the present study in that a focus is laid on the radiological technologists who are working at the 3rd referral hospitals which are regarded to be stable in terms of working conditions while radiological technologists who are working at small-sized hospitals are excluded from the survey. Besides, there are also cases in which hospitals with less than 5 years since establishment are included in the survey and the radiological technologists who have worked for less than 5 years at a hospital are also put to survey. We can't exclude the possibility, either, of assumption that the difference of personal average radiological dose by region, hospital and year might be ascribed to the different working conditions and facilities by medical institutions. It seems therefore desirable to develop standardized instruments to measure working environment objectively and to invent device to compare and analyze them by region and hospital more accurately in the future.
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