Annals of Occupational and Environmental Medicine

Screening of Respiratory Impairments in Anthracosis: Chee Kyung Chung, Im Goung Yun; Korean Journal of Occupational and Environmental Medicine 1990;2(1):93-104. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.93

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No abstract available.

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Annual Changes of Lung Function in Retired Workers Exposed to Inorganic Dusts
Joung Oh Lee, Byung-Soon Choi, Jong-Seong Lee, Jee Yeon Jeong, Hong Ki Lee
Tuberculosis and Respiratory Diseases.2011; 71(5): 341. CrossRef

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A Study on Improvement of Health Care in the Small-Scale Industries: Doohie Kim, Kyung Dong Jung, Jeong Han Park, Pock Soo Kang; Korean Journal of Occupational and Environmental Medicine 1990;2(1):84-92. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.84

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The purpose of tliLs study was to cvaTuate the actual condnzonK and problems of health manager health record maintenance and general health examinations in small-scale industries which employ 511 to ISO workers. A survey was conducted in 3iS conipanies in which industries health management is dele-gated to a social organization, the Taegu-kyungpook branch of the korean Industrial Health Organization, and companies in which health is managed by Ideal physicians. There was accomplished from March to April 1989 by Questionnaires through the mail, The following are the summarized results. 1. Health Management. The companies with non-vicarious execution of health management by local physicians ranked significantly, lower in frequency of visits, contribution to workers' health, and workers' desire for frequency of visits than the companies with vicarious execution by KIHA. 2. Health Records. The percentage health records on file was higher in the companies with vicarious execution than the other group. But most of the cnotents of the records were not described in great detail. 3. General Health Examination. The necessity of health examinations was recognized by all survey participants, but the reliability of the examinations was one of the major problems. The reporting period for results was significantly longer in the companies with vicarious execution than the others. Improvements were preferentially demanded with respect to the reliability of techiques and examinatio skill, follow-up study for secondary examination, and selection of examination items.

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Effectiveness of workers’ general health examination in Korea by health examination period and compliance: retrospective cohort study using nationwide data
Huisu Eom, Jun-Pyo Myong, Eun-A Kim, Bohwa Choi, Soon Woo Park, Young Joong Kang
Annals of Occupational and Environmental Medicine.2017;[Epub] CrossRef

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A Study on the Urinary Metabolites and Sister Chromatid Exchanges of Peripheral Lymphocytes in Workers Exposed to the Organic Solvents: Don Kyoun Kim, In Kyung Hwang, Cheol In Ryu, Su Il Lee, Kap Yul Jung, Yong Hwan Lee, Choong Ryeol Lee, Won Il Hyun, Suk Bong Kim, Yong Duk Jeon; Korean Journal of Occupational and Environmental Medicine 1990;2(1):75-83. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.75

Abstract PDF: In order to know the possibility of utilizing the sister chromatid exchanges as an index which could evaliiate the effect of organic solvents on Lhe health in industrial workers, the authors Studied the effects of the inductivity of sister chromatid exchanges in peripheral lymphocyces from 90 female workers espoxed to organic solvents .and 20 lion-exposed female workers. The results obtained were as follows: 1. The frequency of sister chromatid exchanges in peripheral iympnocytes from 90 female workers exposed to organic solvents was significantly increased in comparison with 20 coatiol subiect. 2. The frequency of sister chromatid exchanges was significantly Increased in the workers who were employed in the manufacture of plastic materials than the other manufactures. 3. There were no significant differences in the frequency of sister chrornatid exchanges by carriera of the exposed workers. 4. The correlation between the frequency of sister chromatid exchanges and urinary hippuric acid was significant with the coefficient of 0.5902 showing Y=1.867X+15.188 in which Y indicate the frequency of sister chromatid exchanges per cell and X indicate the urinary hippuric acid concentration by g/l.

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ECG Sign of Cor Pulmonale in Coal Workers' Pneumoconiosis Died from Cardio-respiratory faiture: Yong Hee Cheon, Kye Chul Shin; Korean Journal of Occupational and Environmental Medicine 1990;2(1):71-74. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.71

Abstract PDF: Electrocardiographic sign was studied for the evaluation of the state of Corpulmonale in coal workers' pneumoconiosis who were admitted and dead as complication of CWP in Don-ghae hospital, Fourty-eight cases were gatherpd. The prevalence rate of right axis deviation was 28.3%. p-pulmonale in lead II was 30.4%, R/S< or =1 in V5 was 23.9. But che pulmonary artereal pressure can be increased without the change of ECG. so the elortrocardiugraphical sign should be treated as reference data.

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Lead Poisoning by Administration of Herb Medicine: Yong Zun Kim, Kyung Ah Kim, Young Lim, Im Goung Yun; Korean Journal of Occupational and Environmental Medicine 1990;2(1):64-70. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.64

Abstract PDF: No abstract available.

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An Investigation of Mercury Contamination Soures in Fluorescent Lamp Manufacturing Industries in Korea: Chang Joo Lee, Kwang Jong Kim, Chul whan Cha; Korean Journal of Occupational and Environmental Medicine 1990;2(1):58-63. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.58

Abstract PDF: This research was conducted to study the correlations between the airborne mercury concentration and each independent variable to detect the source of mercury contamination in a total or II fluorescent lamp manufacturing factories- The mercury concentraion in air was measured and informations about production management (operation hour, overtime, vacuum exhaustion system, number of droppers, number of vacuum exhaustion pumps, frequency of mercury infusion, mercury consumption per lamp, number of lamps producted, number of inferior lamps producted, number of breakage lamps, local exhaust ventilation system) were collected from January 1988 to March 1989. The results were as follows: 1. Among the airborne mercury concentrations according to the sampling point the highest mean concentration was 0.162mg/m3(0.016-0.635 mg/m3) at the workplace floor, and 0.074 mg/m3 at the vaccum exhaustion pump site, and 0.06 mg/m3 at the breathing zone in order. 2. The correlation between airborne mercury concentration and each Independent variable was significant in a following order; the number of Inferior lamps productedt(0.485), vacuum exhaustion syatem(-0,405), number of breakage lamps (0.344), operation hourl(0.341), number of vacuum exhaustion pumps(0.337) and local exhaust ventilation systern(0.331). 3. The result of stepwise multiple regression analysis showed that the airborne mercury consumption was affected by number of inferior lamps producted, frequency of mercury infusion, overtime, ventilator, mercury consumption amounts per lamp, local exhaust ventilation system in order. And these six variables explained 36.7% of the variance of airborne mercury concentration.

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Cervicobrachial Disorders of Female International Telephone Operators IV. Laboratory studies: Chung Yill Park, Kyung Hwan Cho, Seung Han Lee, In Kim; Korean Journal of Occupational and Environmental Medicine 1990;2(1):50-57. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.50

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Twenty eight workers selected through our screening criteria were placed under laboratory and orthopadic studies. The results were as follows : 1. The work duration of a subjects, except one case, amounted to more than 5 years. 2. Serum creatinine phosphokinase and aspartate aminotransferase showed significant linear association with positive questionnaire responses. 3. It was suggested rbaf muscle enzyme, rheumatoid factor, cervical radiogram and orthopaedic physical examination are quite helpful in the diagnosis occupational cervicobrachial disorders. However, the value of elect romyographic study was questioned. 4. Finally, it was found 9 out of 290 female international telephone operators needed active intervention in health management as well as work.

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Work-related Musculoskeletal Disorders in Korea and Japan: A Comparative Description
Eun-A Kim, Minori Nakata
Annals of Occupational and Environmental Medicine.2014;[Epub] CrossRef

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Cervicobrachial Disorders of Female International Telephone Operators III. Grip Strenghth: Kyung Hwan Cho, Chung Yill Park, Seung Han Lee; Korean Journal of Occupational and Environmental Medicine 1990;2(1):44-49. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.44

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The grip strength of both hands in 290 female international telephone operators were measured and the relationships between thd grip strength in the major hand and various variables, such as height, weight, age^ subjective symptoms, muscle tenderness, work duration and house work, were observed. The results were as follows: 1. Grip strength was signficantly higher in the rriapr hand than in ihe minor hand. 2. Significantly tower grip strength in the major hand was noted in the musculoskeletal complainants than En the non-complainants. 3. Grip strength in the major hand was signficantly lower In myalgia subjects than in others. 4. Grip strength in the major hand showed significant negative correlation with 'A' response on questionnaire items and number of tender points. 5. Grip strength in the mapr hand showed significant positive correlation with body weight. 6. According to stepwise multiple regression procedures, three major factors, namely, number of 'A' response on questionnaire items, number of tender points and body weight, explained only less than 7% of total variance of grip strength in the major hand.

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A Study on Factors Related to Grip and Pinch Strength among Estheticians
Jeong Hwa Kim, Young Gyu Phee, Sa-Woo Lee
Journal of Korean Society of Occupational and Environmental Hygiene.2015; 25(4): 554. CrossRef
Work-related Musculoskeletal Disorders in Korea and Japan: A Comparative Description
Eun-A Kim, Minori Nakata
Annals of Occupational and Environmental Medicine.2014;[Epub] CrossRef

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The Serum Alpha-antitrypsin Concentration of Coal Workers' Pneumoconiosis Patients: Bong Suk Cha, Ho Keun Chung, Jeong Pyo Hong; Korean Journal of Occupational and Environmental Medicine 1990;2(1):34-43. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.34

Abstract PDF: This study was performed to investigate associations between serum alpha(1)-antitrypsin(AAT) concentration and radiological categories of coal workers' pneumoconlosis(CWP), between AAT concentration and pulmonary complications such as tuberculosis and emphysema, and to study associations between AAT concentration and FEV(1.0)% in CWP patients, We classified 254 CWP patients in D Hospital into categories of small opacity profusion. And we selected 86 subjects by with or without emphysematous finding in each categories by proportional stratified sampling method. Semm AAT concentrations were quantkated by single radial immunodiffusion method, and the findings of chest radiographs were evaluated by radilogist. The results were as follows: 1. Serum AAT concentrations were not significantly different among groups of radiological categories of small opacities. 2. Complication of emphysema was associated with smoking habits sigmficantlyl(chi square=12.16, p<0,01). And AAT concentraLion was higher in smokers and ex-smokers than in non-smokers. Serum AAT concentration was significantly higher in the cases with emphysema than in the cdses without emphybema{p<0.01). 3. Serum AAT concentration of the group with active pulmonary tuberculosis was significantly higher than with inactive or without: pulmonary tuberculosis group(p<0.1). 4. Serum AAT concentration of the group with low FEV(1.0)% was significantly higher than with high or normal group(p<0.05).

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Smoking Habit of Coal Workers' Pneumoconiosis Patients: Their Relationship to the Findings of Chest Radiographs: Jeong Pyo Hong, Ho Keun Chung; Korean Journal of Occupational and Environmental Medicine 1990;2(1):23-33. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.23

Abstract PDF: No abstract available.

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The Response Rate of Follow up Examination and Positive Predictive Value of Screening Items of Workers Aged 30 and Over: Kyung Eun Lee, Jae Yong Park, Byung Yeol Chun; Korean Journal of Occupational and Environmental Medicine 1990;2(1):13-22. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.13

Abstract PDF: No abstract available.

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A Comparative Study of Ihe Hospital Charge of Long-term and Short-term inpatient in the Industrial Accident Compensation Insurance System: Kyung Jong Lee, Young Hahn Moon, Bong Suk Cha; Korean Journal of Occupational and Environmental Medicine 1990;2(1):1-12. Published online February 28, 1990; DOI: https://doi.org/10.35371/kjoem.1990.2.1.1

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The purpose of this study was to compare the hospital charges of long-term and those of short-term inpatients Insured by the Industrial Accident Compensation Insurance System. This study analysed 1,597 medical bills of injured workers emitted to and discharged from all hospitals in Korea in the period between March 1, 1988 and May 30, 1989. The 308 workers hospitalized for more than 50 hospital days were classified as long-term inpatients, and the others as short-term inpatients. The sampling method employed was 25% systematic sampling. The results of this study were as follows; 1. The average length of stay for long-term inpatients was 95.1 days, and 20.7 days for short-term inpatients, 2. Long-term inpaiients' main diseases were multiple injury and fracture. Fracture of the lower extremities and feet prevailed, 3. Daily hospital charges were higher in the long-term inpatients than in the short-term inpatients. 4. Total charges decreased depending upon hospital grade in the order of general hospital, hospital, and clinic. Daily average hospital charges were the same regardless of hospital grade. 5. The proportions of long-term Inpatients admitted to general hospitals, hospitals, and clinics were 46.1%, 23.4%. and 30.5% respectively, and those of short-term patients were 33.2%, 24.1%, and 42.7% respectively. 6. Multiple regression analysis revealed that the length of hospital stay, hospital grade, treatment results and patient's age were the major determinants of hospital charges.

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K-means Cluster Analysis on Care Status of Injured Workers with Stroke According to Discharge Disposition Patterns
Goo Joo Lee, Byung-Mo Oh, Keewon Kim, Sang Yoon Lee, Sewoong Chun, Tai Ryoon Han
Brain & Neurorehabilitation.2011; 4(2): 132. CrossRef

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