부천, 김포 및 인천 일부지역 정기건강진단 수진 근로자중 요통호소자의 방사선소견

천용희 中央醫學社 1993 中央醫學 Vol.58 No.7

Preliminary survery of low back pain (LBP) was conducted from 7,668 workers who work at Bucheon, Kimpo and some part of Incheon area. Among them, 1,178 workers complained LBP. If we do not mind X-ray findings, the prevalence rate of LBP was 15.3 %. Lumbar series (anterior-posterior view, lateral view, both oblique view) were taken from 960 workers who complained LBP. Three radiological findings which are not related with congenital anomaly or definite trauma-degenerative spondylitis, flattening of the lumbar spine, decreased intervertebral disc space-were selected. In the group of degenerative spondylitis, the most prevalent age group of LBP was after fourty in male and 4th decade in female. In the case of flattening of lumbar spine, most prevalent age group was less than twenty in both sex. In the case of decreased intervertebral disc space, there was no specific prevalant age group in both sex.

일부 산업장의 보건교육 실태

천용희 中央醫學社 1982 中央醫學 Vol.42 No.6

탄광부진폐증으로 입원중 사망환자에서의 일초량을 이용한 직접사인과 여명과의 관계

천용희,고경용,Cheon, Yong-Hee,Koh, Kyung-Yong 대한예방의학회 1989 Journal of Preventive Medicine and Public Health Vol.22 No.1

Sixty-two medical records of patients with coal workers' pneumoconiosis who died in hospital as coal workers' pneumoconiosis were analysed for study of the relationship between forced expiratory volume in one second ($FEV_1$) and life expectancy in coal workers'pneumoconiosis. In the group who died of asphyxia from hemoptysis, life expectancy were well fitted with $FEV_1$(p<0.05). But others were not well fitted to simple linear regression equation. The prevalence of ECG sign of col pulmonale was more in the group of cardiorespiratory failure than asphyxia group. So, in the case of far advanced cor pulmonale, it was difficult to predict life expectancy by simple linear regression equation

탄광부진폐증자의 통원치료시 노력성 폐활량 및 일초폐활량의 변화에 대한 연구

천용희 가톨릭대학산업의학센타 산업의학연구소 1988 韓國의 産業醫學 Vol.27 No.2

Medical records of 56patients with coal workers'pneumoconiosis were used for the study of the change of forced vital capacity(FVC) and forced expiratory volume in one second(FEV??)during the period of treatment after discharge at out-patient department. The cases were grouped by the complication of pulmonary tuberculosis and the type of ventilatory impairment. FEV??decreased 110ml in the group of normal type which complicated with pulmonary tuberculosis. In the group of pure coal workers' pneumoconiosis, there were no significant change in each impairment type of FVC and FEV??. Suppose, it was due to small sample size in these impairment types.

일부 산(Acid)취급 근로자의 치아산식증

천용희,권호근,문영한,노재훈,Cheon, Yong-Hee,Kwon, Ho-Kwun,Moon, Young-Han,Roh, Jae-Hoon 대한예방의학회 1982 예방의학회지 Vol.15 No.1

Acid erosion of teeth was studied in two factories. The A was the textile factory possessing dyeing process using acids. The B was the metal product manufactoring factory possessing electroplating process. The control group was selected at the same factory not exposed to acids. The results were summarized as below. 1. The pH of saliva was the range of $6.6{\sim}6.8$ in both factories. 2. The prevalence rate of erosion of teeth was higher in case group at the B. It was statistically significant. 3. The rate of erosion of incisor were the range of $12%{\sim}16%$(case group), $7%{\sim}21%$(control group) at the A and $10%{\sim}20%$ (case group), $2%{\sim}15%$ (control group) at the B. 4. The rate of erosion of degree 3 which is necessary for conforming, owing to occupational induction, were 8.9% (incisor: A) and 6.8% (incisor: B).

이직 탄광부의 호흡곤란에 영향을 미치는 요인

천용희,장세진,차봉석 대한산업의학회 2001 대한직업환경의학회지 Vol.13 No.3

목적 : 이직 탄광부의 호흡곤란 호소에 관여하는 요인을 알아보고자 하였다. 방법 : 2000년도 T시 산재요양병원에서 실시한 이직자 건강진단을 수검한 탄광부 근로자들의 개인 자료를 이용하였다. 종속변수로 호흡곤란 정도를, 독립변수로 연령, 탄광 근무기간, 체질량계수, 직업력, 퇴직년도, 흉부 방사선 소음영 밀도, 대음영 밀도, 폐성심지수, 우하동맥 직경, 수축기 혈압, 뇨단백, 뇨당, 헤마토크릿, SGOT SGPT, cholesterol을 이용하였다. 단일변량 분석 및 로직스틱 회귀분석을 이용하여 호흡 곤란에 미치는 제 변수의 관련성을 확인하였다. 결과 : 단일변량 분석 결과, 호흡곤란과 유의한 관련성을 보인 변수로는 연령(≥60세) (OR: 2.20, 95% CI: 1.63-3.00), 근무기간(≥20년) (OR: 1.67, 95 % CI: 1.24-2.25), 음영밀도(≥1/0) (OR: 1.81. 95 % CI: 1.30-2.51), 대음영(≥A) (OR: 2.19, 95 % CI: 1.30-3.70), 그리고 폐성심지수(≥0.36) (OR: 2.37, 95 % CI: 1.77-3.17) 등이었다. 로지스틱 회귀분석을 통한 다변량 분석 결과, 연령(60세 이상) (OR: 1.69, 95 % CI: 1.28-2.21), 흡연량(하루 1개피 이상 흡연자) (OR: 1.61. 95% CI: 1.06-2.45), 금연 무경험자(OR: 1.40 95 % CI: 1.06-1.84), 그리고 폐성심지수(0.36 이상) (OR: 1.75, 95% CI: 1.34-2.29)였다. 60세 이상의 흡연자로서 금연경험이 없고, 폐성심지수가 0.36 이상인 사람이 그렇지 않은 사람에 비해 통계학적으로 유의하게 높은 호흡곤란을 경험할 가능성이 높았다. 결론 : 이직 탄광부의 호흡곤란에 영향을 미치는 변수로는 폐성심지수, 연령, 흡연유무, 금연 실시 유무이었다. Objectives : This study was done to examine the risk factors for the dyspnea of retired coal miners in Korea. Methods : Eight hundred and sixteen male workers who took the health examination for retired coal miners in the T hospital were recruited, in this study and their health examination records were employed to assess the risk factors for dyspnea. Both univariate and multiple logistic regression analyses were used to estimate the relationship betwen known risk factors and the presence of dyspnea.r Results : Variables in the univariate analysis, which showed a significant relationship with dyspnea were age(≥60 years) (OR : 2.20, 95% CI : 1.63-3.00), work duration(≥20 years) (OR : 1.67, 95% CI : 1.24-2.25), profusion of small opacity(≥1/0) (OR : 1.81. 95% CI : 1.30-2.51), large opacity(≥A) (OR : 2.19, 95% CI : 1.30-3.70), and the ratio of the distance between the start of the first division of the right and left main pulmonary arteries divided by the transverse diametel of the thorax (cor pulmonale index) (≥0.36) (OR : 2.37, 95% CI : 1.77-3.17). The multivariate analysis using logistic regression analyfilysis showed age(≥60 years)(OR : 1.69, 95% CI : 1.28-2.21), smoking amount(≥1 filters/day) (OR : 1.61, 95% CI : 106-2.45), no experience of having quit smoking (OR : 1.40 95% CI : 1.06-184), and the cor pulmonale index(≥0.36) (OR : 1.75, 95% CI : 1.34-2.29) were associated with an increased risk for dyspnea. Conclusions : These results suggests that the corlmonale index is the most significant risk factor in predicting dyspnea in retired coal miners. In addition, this study also revealed that workers aged 60 years or more or smokers were more likely to experience dyspnea as compared to those aged 60 years or less and nonsmokers.

혼합유기용제에 폭로된 근로자의 만성독성뇌장애

천용희 大韓産業醫學會 1991 대한직업환경의학회지 Vol.3 No.2

A 42 year old man visited to our hospital for the diagnosis and evaluation of job relationship of his symptoms through the regional office of the Ministry of Labor. He had been exposed to organic solvents for 13 monthes. On one day, he was exposed to high concentration of organic solvents and lost his consciousness, fell down on the floor and remained for some minutes. After that accident, he felt headache, dizziness, light headness, weakness and memory disturbance. On neurologic examinations, memory functions and cognitive process were impaired severely. The function of cerebellum was also impaired. The laboratory test-Chest PA, CBC, urine analysis, EMG, EEG, brain CT-were all normal. It was concluded that symptoms were caused by organic solvents. And the diagnosis was toxic encephalopathy.

경인 일부지역 정기건강진단 수진 근로자중 요통호소자의 방사선소견

천용희 大韓産業醫學會 1994 대한직업환경의학회지 Vol.6 No.1

Preliminary survey of low back pain(LBP) was conducted from 7.668 workers of some part of Kyungin area. Among them. 1.183 workers complained LBP. If we do not mind X-ray findings, the prevalence rate of LBP was 15.4%. Lumbarseries(anterior-posterior view, lateral view, both oblique view) were taken from 973 workers who complained LBP. Three radiological findings which are not related with congenital anomaly or definite trauma degenerative spondylitis, flattening of the lumbar spine, decreased intervertebral disc space were selected. In the group of degenerative spondylitis, the prevalence rate was relatively high after thirties in both sex. In female, prevalence rate was more higher in 5th and 6th decades than other decades. In the case of flattening of lumbar spine, the prevalence rate was relatively high in 2nd, 3rd and 4th decades in both sex. In case of decreased intervertebral disc space, there was no specific prevalent age group in both sex.

경인 일부지역 요통호소 근로자의 요통관리 방법에 대한 추적관찰

천용희 大韓産業醫學會 1995 대한직업환경의학회지 Vol.7 No.1

Nine hundred and twelve workers who complained low back pain(LBP) were interviewed. After one year, 482 workers were followed. The method of care, continuity of LBP were studied. About sixty percent of workers followed showed improvement of LBP symptom. In the case of job change, it showed improvement rate of 91.2%. In case of exercise theraphy, 82.8% of workers showed improved symptom. Medical care(Clinical medication, physical theraphy and folk medicine) group showed 63.2% of improvement rate. In the presence of sciatic pain on the time of first interview, the improvement rate of LBP was lower than the absent group.

석탄광부폐증에서 방사선 소견 상의 폐성심과 폐환기능, 심전도 소견

천용희 大韓産業醫學會 1996 대한직업환경의학회지 Vol.8 No.3

The radiological finding, pulmonary ventilatory function test data, electrocardiography data were used for the study of relationship between these variables in cor pulmonale and normal group in coal workers pneumoconiosis. The hospital records of 674 men who were diagnosed as coal workers pneumoconiosis were analysed. The ratio between interhilar distance and thoracic transverse diameter was used as a criterion in grouping of cor pulmonale. If the ratio is greater than 0.36, it was classified to cor pulmonale. The squared canonical correlation of pulmonary function variable to cor pulmonale grouping was less than 0.15. Logistic regression analysis with pulmonary function variable and electrocardiographic variable showed sensitivity 50.5%, specificity 72.2%, correctness 62.2%. Vital capacity and Forced vital capacity showed significantly decreased value in cor pulmonale group after adjustment of covariates(age, degree of dyspnea, pack-years of smoking, perfusion of small and large opacity).