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전만중 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.4
Background: This study was conducted to evaluate the neurobehavioral performance of fishery divers who suffered from decompression sickness. Methods: Forty eight fishery divers were executed test of the Korean Performance Evaluation System (Symbol Digit). Each diver completed a medical and diving related exam and questionnaire. Their performance was compared with that of normal reference matched for age, sex, educational level, and local registered area. Results: The performances of Symbol Digit were found to be significantly lower than that of normal reference. Age and number of repetitive dive were correlated with neurobehavioral performance. Elder age and more frequent repetitive dive were related to poorer performance of Symbol Digit. Conclusion: According to the above results, the neurobehavioral performance of fishery divers suffered from decompression sickness decreased. These results suggest that the periodical health surveillance for divers with neurobehavioral test, and education of health related to diving are important for reducing the risk of decompression sickness.
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축전지 공장 근로자들의 혈중 Zinc Protoporphyrin에 대한 코호트 연구
전만중,이중정,사공준,김창윤,김정만,정종학,Jeon, Man-Joong,Lee, Joong-Jeong,SaKong, Joon,Kim, Chang-Yoon,Kim, Jung-Man,Chung, Jong-Hak 대한예방의학회 1998 Journal of Preventive Medicine and Public Health Vol.31 No.1
To investigate the effectiveness of the interventions in working environment and personal hygiene for the occupational exposure to the lead, the blood zinc protoporphyrin (ZPP) concentrations of 131 workers (100 exposed subjects and 31 controls) of a newly established battery factory were analyzed. They were measured in every 3 months up to 18 months. Ai. lead concentration (Pb-A) of the workplaces was also checked for 3 times in 6 months interval from August 1987. Environmental intervention included the local exhaust ventilation and vacuum cleaning of the floor. Intervention of the personal hygiene included the daily change of clothes, compulsory shower after work and hand washing before meal, prohibition of cigarette smoking and food consumption at the work site and wearing mask. Mean blood ZPP concentration of the controls was $16.45{\pm}4.83{\mu}g/d\ell$ at the preemployment examination and slightly increased to $17.77{\pm}5.59{\mu}g/d\ell$ after 6 months. Mean blood ZPP concentration of the exposed subjects who were employed before the factory was in operation (Group A) was $17.36{\pm}5.20{\mu}g/d\ell$ on employment and it was increased to $23.00{\pm}13.06{\mu}g/d\ell$ after 3 months. The blood ZPP concentration was increased to $27.25{\pm}6.40{\mu}g/d\ell$ on 6 months (p<0.01) after the employment which was 1 month after the initiation of intervention program. It did not increase thereafter and ranged between $25.48{\mu}g/d\ell$ and $26.61{\mu}g/d\ell$ in the subsequent 4 results. Mean blood ZPP concentration of the exposed subjects who were employed after the factory had been in operation but before the intervention program was initiated (Group B) was $14.34{\pm}6.10{\mu}g/d\ell$ on employment and it was increased to $28.97{\pm}7.14{\mu}g/d\ell$ (p<0.01) in 3 months later(1 month after the intervention). The values of subsequent 4 tests were maintained between $26.96{\mu}g/d\ell$and $27.96{\mu}g/d\ell$. Mean blood ZPP concentration of the exposed subjects who were employed after intervention program had been started (Group C) was$21.34{\pm}5.25{\mu}g/d\ell$ on employment and it was gradually increased to $23.37{\pm}3.86{\mu}g/d\ell$ (p<0.01) after 3 months, $23.93{\pm}3.64{\mu}g/d\ell$ after 6 months, $25.50{\pm}3.01{\mu}g/d\ell$ after 9 months, and $25.50{\pm}3.10{\mu}g/d\ell$ after 12 months. Workplaces were classified into 4 parts according to Pb-A. The Pb-A of part I, the highest areas, were $0.365mg/m^3$, and after the intervention the levels were decreased to $0.216mg/m^3$ and$0.208mg/m^3$ in follow-up test. The Pb-A of part II which was resulted in lowe. value than part I was decreased from $0.232mg/m^3$ to $0.148mg/m^3$, and $0.120mg/m^3$ after the intervention. The Pb-A of part III was tested after the intervention and resulted in $0.124mg/m^3$ in January 1988 and $0.181mg/m^3$ in August 1988. The Pb-A of part IV was also tested after the intervention and resulted in $0.110mg/m^3$ in August 1988. There was no consistent relationship between Pb-A and blood ZPP concentration. The blood ZPP concentration of the group A and B workers in the part of the highest Pb-A were lower than those of the workers in the parts of lower Pb-A. The blood ZPP concentration of the workers in the part of the lowest Pb-A increased more rapidly. The blood ZPP concentration of the group C workers was the highest in part III. These findings suggest that the intervention in personal hygiene is more effective than environmental intervention, and it should be carried out from the first day of employment and to both the exposed subjects, blue color workers and the controls, white color workers. 혈중 ZPP 농도를 생물학적 모니터링 표지자로 사용하여 새로 설립되는 축전지 제조 공장에서 작업환경과 개인위생에 대한 개선조치의 영향을 관찰하기 위하여 연취급 근로자 100명을 대상으로 입사한 시기를 기준으로 3개의 군으로 구분한 후 채용시 측정된 혈중 ZPP 농도와 약 3개월 간격으로 12-18개월간 측정되어 보관된 기록 중 혈중 ZPP 농도 자료를 분석하였다. 각 군은 개선조치 시행전인 1987년 8월의 작업장의 기중 연 농도를 기준으로 $0.30mg/m^3$ 이상인 단위 부서들을 제 I 부서로, $0.30mg/m^3$ 미만인 단위 부서들을 제 II 부서로, 비교적 기중 연 농도가 낮을 것으로 예측되어 1988년 1월부터 새로 기중 연 농도가 측정된 단위 부서들을 제 III부서로, 그리고 작업장소가 일정하지 않고 이동하면서 근무하는 단위 부서들을 제IV부서로 대분하였고, 1987년 8월부터 약 6개월 간격으로 측정된 작업장의 기중 연 농도를 분석하였다. 또한 대조군 31명중 6개월째까지 관찰되었던 22명도 채용시와 6개월 후에 측정된 혈중 ZPP 농도의 변화를 분석하였다. 작업환경 및 개인 위생에 관한 개선조치를 1987년 8월 중순부터 시행하였으며, 주 1회 보건관리자를 통한 보건교육과 건강상담이 실시되었다. 부서별 기중 연 농도는 1987년 8월부터 약 6개월 간격으로 3회 측정된 결과, 제 I 부서는 처음에는 $0.365mg/m^3$였으나 작업환경개선조치 후 $0.216mg/m^3$, 1년후에는 $0.208mg/m^3$로 감소되었고, 제 II 부서는 처음에 $0.232mg/m^3$였는데 개선조치 후 $0.148mg/m^3,\;0.120mg/m^3$가 되었으며, 제 III 부서는 1988년 1월의 측정치가 $0.124mg/m^3$였고, 8월에는 $0.081mg/m^3$였다. 제 IV 부서는 1988년 8월에 $0.110mg/m^3$였다. 대조군에서의 혈중 ZPP 농도는 31명중 6개월째까지 관찰되었던 22명에서 채용시와 6개월 후가 각각 $16.45{\pm}4.83{\mu}g/d\ell$과 $17.77{\pm}5.59{\mu}g/d\ell$로 유의한 차이가 없었다. 공장이 가동되기 전에 입사한 A군에 있어서는 채용시 혈중 ZPP농도가 $17.36{\pm}5.20{\mu}g/d\ell$였고, 3개월째에는 $23.00{\pm}13.06{\mu}g/d\ell$였으며, 개선 조치가 시행된 직후인 6개월째에는 $27.25{\pm}6.40{\mu}g/d\ell$로 유의하게 증가되었고(p<0.01), 최고치를 나타내었다. 9개월째에 측정된 농도는 $25.48{\pm}5.17{\mu}g/d\ell$로 6개월째의 검사 농도보다 유의하게 감소된 결과를 나타내었다(p<0.05). 12개월째부터 3회의 측정치는 유의한 증가나 감소가 없이 대체로 비슷한 농도의 양상을 보였다. 공장이 가동된 후 개선조치가 시행되기 전에 입사한 B군의 경우에 있어서는 채용시에 혈중 ZPP농도가 $14.34{\pm}6.10{\mu}g/d\ell$였고, 개선조치가 시행된 직후인 3개월째에는 $28.97{\pm}7.14{\mu}g/d\ell$로 급격히 증가되었으며 통계적으로 유의하였다(p<0.01). 6개월째부터 4회의 측정치는 유의한 증가나 감소가 없이 비슷한 농도의 양상을 보였다. 개선조치가 시행된 후 입사한 C군에서는 채용시 혈중 ZPP 농도가 $21.34{\pm}5.25{\mu}g/d\ell$였고, 입사한 후 3개월째에는 $23.37{\pm}3.86{\mu}g/d\ell$로 유의하게 증가되었으며(p<0.01), 6개월째에는 $23.93{\pm}3.64{\mu}g/d\ell$의 농도를 보였고, 9개월째에는 $25.50{\pm}3.01{\mu}g/d\ell$로 유의한 증가를 보였다(p<0.01). 계속하여 3개월 뒤 측정된 12개월째에는 그 농도를 계속 유지하였으며, 서서히 증가하는 경향을 보였다. 부서별
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전만중 한국체육사학회 2003 체육사학회지 Vol.12 No.-
Real conditions of divided Korean peninsular and real conditions of Taekwondo's two international groups seem to be in one coherence. However, peace has been kept in Korean peninsular, interchanges between South and North Korea have been done at the present, accordingly, South and North Korea must unify Taekwondo groups in order that Taekwondo could be continually selected as a regular sports event in the Olympics. Therefore, both the World Taekwondo Federation and the International Taekwondo Rederation must make efforts to elevate international rank of Taekwondo through more active activities, and strengthen the step to Olympic diplomacy through harmony and union of Taekwondo-related persons. For these purposes, respectable leaders need be trained, quality of judges must be enhanced, the judgment system must be rationalized, scientific Pumsae must be legislated, games must be operated rationally, overall game-levels must be elevated through developing Taekwnndo's playing techniques, conclusively, Taekwondo need become a major Olympic game. As Taekwondo was formally selected as a regular event in 2008 Olympics as well as afterward Olympics, screening standards need be understood sufficiently, all preparations must be competed to achieve an objective evaluation that Taekwondo has qualifications more perfectly than any other events. The World Championship Tournament that more than 100 nations participate in must be hold regularly, a tournament series in singles and team competition that both man players and woman players participate in must be hold by continents. Short ways for Taekwondo to be admitted as a permanent event are building the system for excellent players to participate in the Olympics, admitting Taekwondo's justifiableness, concreteness, techniques as an Olympic game, agreeing policies of the World Taekwondo Federation with purports of IOC, etc. The idea of cooperation, which is actualized by Taekwondo Federation, is directly connected with expansion of Olympism, therefore, it was important to confine that the result that Taekwondo was selected as a permanent Olympic event will greatly contribute to modern movements of Olympic games. Taekwondo not only has educational, ethical, social values of a sports game through Taekwondo education but also premises a Taekwondo educational campaign that encourages teenagers to cultivate moral disposition, do a character-building, and become an excellent democratic citizen. In addition, Taekwondo education should take charge of modem people's sound leisure-education, enhance people's physical health and mental well being, which might be helpful to elevate Taekwondo's phase. This spirit was on the same coherence with the all-round education focusing on human-centered education followed by Taekwondo as well as educational campaign for democratic citizens. Therefore, if Taekwondo implements a campaign informing that IOC conveys 「Modern Olympism」 to contribute to the world peace, it was expected that Taekwondo will be selected as a permanent and major Olympic game in 2004 and 2008.
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부산지역 일부 종합병원의 컴퓨터 단말기 작업을 하는 여성 원무업무종사자들에 있어서 누적외상성장애에 대한 조사
전만중,유병철,고광욱,이용환 고신대학교의과대학 2007 고신대학교 의과대학 학술지 Vol.22 No.2
registration system were organized, computerized, and simplified. Especially the workers for the hospital registration desk were almost used computer all the working time. Therefore we assessed cumulative trauma disorder of registration desk workers related to computer use of general hospital. Methods: 62 women computer users who worked for registration desk of general hospitals in Busan were assessed from March to August, 2007. The workers were checked general characteristics(age, educational level, and marital status), work related characteristics, and symptoms by self-administered questionnaires. Results: Significantly decreased prevalences for cumulative trauma disorder were observed for subjects who had more educational level, the prevalence of cumulative trauma disorder was 69.2% among high school graduates, 38.2% among junior college graduates, and 20.0% among college graduates. Significantly increased prevalences for cumulative trauma disorder were observed for subjects who had more duration of computer use, the prevalence of cumulative trauma disorder was 56.5% for those who had used computer for more than 8 hours, 32.1% for those who had used computer for 4-7 hours, and 27.3% for those who had used computer for less than 3 hours. And Significantly increased prevalences for cumulative trauma disorder were observed for subjects who had more maximun daily computer use time without break, the prevalence of cumulative trauma disorder was 66.7% for those who had used computer for more than 7 hours, 38.1% for those who had used computer for 3-6 hours, and 21.7% for those who had used computer for less than 2 hours. Multiple logistic regression showed that subjects who had more maximum daily computer use time without break was more likely to report patient. Conclusion: Therefore these findings suggest that preventive interventions on hospital registration desk worker related to computer use were needed
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