Annals of Occupational and Environmental Medicine

Kuck Hyeun Woo

6 Articles

The Effect of Participatory Approach Program for Cardiovascular Disease Prevention in the Workplace: Seong Yong Yoon, Sin Kam, Jin Seok Kim, Seong Yong Jo, Yong Jun Kwon, In Woong Song, Kuck Hyeun Woo; Korean Journal of Occupational and Environmental Medicine 2012;24(2):133-144. Published online June 30, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.2.133

OBJECTIVES
The purpose of this study was to develop a program applying participatory action-oriented training (PAOT) methods for the management of cardiovascular disease risk factors and to assess its effectiveness in the workplace.
METHODS
The cardiovascular disease risk factors of 817 workers in the workplace were assessed, and periodic health examination was conducted. Sixty-four workers (7.8%) were selected as a moderate-risk group and high risk group, and performed the participatory approach program for cardiovascular disease preventive management.
RESULTS
The sixty-four workers who participated in the participatory approach program made a total of 246 action plans, 3.8 action plans per person and 115 action plans were achieved after three months, so that 46.7% of action plans have been achieved. In the intervention group that participated in the program, the rate of smoking decreased from 36.2% to 8.6% and systolic and diastolic blood pressure significantly decreased from 140.0+/-9.4 mmHg to 134.2+/-12.3 mmHg and from 92.6+/-7.1 mmHg to 80.0+/-9.8 mmHg respectfully. In addition, risk factor score also decreased by 0.3, whereas the control group who did not participate in the program also showed a significant reduction in the mean systolic and diastolic blood pressure. Regular exercise increased from 8.5% to 16.0%.
CONCLUSIONS
To improve the effectiveness of the participatory approach program for the management of cardiovascular disease risk factors, the need to continues implementing programs and analysis of the long-term effects are required.

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Effectiveness of a Participatory Program for Improving the Cardiovascular and Cerebrovascular Health of Older Farmers in Rural Korea
Ki-Youn Kim, Juhye Jin, Yeon-Ha Kim
International Journal of Environmental Research and Public Health.2023; 20(4): 3210. CrossRef
Effects of a Worksite-Based Self-Management Program in Traditional Retail Market Workers: Longitudinal Associations with Metabolic Parameters
Yeon-Ha Kim, Seong-Yong Yoon
International Journal of Environmental Research and Public Health.2022; 19(5): 2854. CrossRef
Developing a Health-Promotion Program Based on the Action Research Paradigm to Reduce Cardiovascular Disease Risk Factors among Blue Collar Workers
Won Ju Hwang, Jin Ah Kim
International Journal of Environmental Research and Public Health.2019; 16(24): 4958. CrossRef
Effectiveness of Participatory Action-Oriented Training (PAOT) Methods for the Management Metabolic Syndrome in Korean Manufacture Workers for Three-years
Jungsuk Lee, Sin Kam, Seongyong Yoon
Korean Journal of Occupational Health Nursing.2016; 25(4): 384. CrossRef
The Effect of Metabolic syndrome Management Program Applying Participatory Action-Oriented Training Principle
Seong-Yong Yoon, Kuck-Hyeun Woo, Hwa-Sung Kim, Yong-Bae Kim, Jin-Seok Kim, Seong-Yong Jo, Sung-Soo Lee
Korean Journal of Health Education and Promotion.2014; 31(5): 81. CrossRef

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Ocular, Respiratory and Skin Symptoms Among Solderers Employed in Printed Circuit Board Assembly Units: Jay Young Yu, Kuck Hyeun Woo, Jin Seok Kim, Jung Oh Ham, Tae Sung Choi, Bong Goo Ha, Sang Je Jung, Shin Goo Park, Il Ryong Kim; Korean Journal of Occupational and Environmental Medicine 2001;13(4):423-435. Published online December 31, 2001; DOI: https://doi.org/10.35371/kjoem.2001.13.4.423

Abstract PDF

OBJECTIVES
This study was conducted to evaluate the prevalence of ocular, respiratory and skin symptoms among solderers and to investigate the relationship between symptom prevalence and exposure intensity.
METHODS
We analyzed 126 eligible participants out of a population of 146 male solderers who completed the symptom questionnaires. Fourteen symptoms including 'itchy and red eyes', 'itchy or prickly nose', 'sneezing', 'rhinorrhea', 'blocked nose', 'pricklythroat', 'foreign body sensation in throat', 'sudden bouts of coughing', 'exertional breathlessness ', 'wheezing', 'sputum production', 'itchy face or hands', 'acneiform eruptions on the face'and 'red spots on the face or hands'were contained. Blood lead levels of all the 126 participants were tested and the participants'own assessments of the health risk of soldering were collected.
RESULTS
Of the 14 investigated symptoms, 'sudden bouts of coughing'was significantly more prevalent in solderers who worked 4 hours or more a day than those who worked less than 4 hours a day, as for the other symptoms, there were no significant differences in the preva1ences related to daily soldering hours. 2.8% of the solderers considered the risk of flux exposure to be serious. The mean blood lead level was 6.05 microgram/dL (maximum 15.50 microgram /dL).
CONCLUSIONS
Soldering may increase the risk of respiratory symptoms. Further investigations on the hazards of soldering processes are warranted and solderers should be educated on these hazards.

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Skin Disease Among Staff in a Large Korean Nursing Home.
DEREK RICHARD SMITH, JAE-WOOK CHOI, DONG-SOO YU, MYUNG KI, CHUN-HWA OH, ZENTARO YAMAGATA
The Tohoku Journal of Experimental Medicine.2002; 198(3): 175. CrossRef

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Toxic Hepatitis Induced by Occupational Dimethylacetamide Exposure: Tae Sung Choi, Kuck Hyeun Woo, Jin Seok Kim, Wan Seup Park, Jung Ho Ham, Sang Je Jung, Jae Young Yu; Korean Journal of Occupational and Environmental Medicine 2001;13(2):164-170. Published online June 30, 2001; DOI: https://doi.org/10.35371/kjoem.2001.13.2.164

Abstract PDF

Dimethylacetamide is widely used in the production of plastics, resins, synthetic fibers, and gums and in purification and crystallization processes. Inhalation of the vapor or skin absorption of the liquid of dimethylacetamide(DMAC) can cause liver damage. Toxic hepatitis possibly attributable to DMAC exposure occurred in seven works among 178 employees who had worked on a new spandex-fiber production line. A large amount of DMAC is used as a spinning solvent for synthetic fibers in the factory. The patients were aged 23-47 years old and composed of five males and two females. They were involved in the process of polymerization(1 patient), spinning(1), take-up(4) and packaging(1). The mean duration of exposure was 10 weeks. They experienced fatigue, dizziness and jaundice. The patients showed elavated total bilirubin, alanine aminotransferase(ALT), and aspartate aminotransferase(AST) levels. The serologic test for viral hepatitis A, B and C were negative, as were the abdominal ultrasonographic scans. Based on the presumptive diagnosis of DMAC-induced toxic hepatitis, they were removed from the workplaces. One or two months after removal from the work, the transaminase levels returned to normal. The patients had no history of significant alcohol use, blood transfusion, recent medication, and drug abuse. As a result, authors could not find any attributable cause of toxic hepatitis but the toxicity by DMAC exposure.

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Intravenous Busulfan, Dimethylacetamide and neurotoxicity after high-dose pretransplant conditioning chemotherapy
J. Ramdial, K. H. Chan, G. Sanchez Petitto, B. Valdez, B. S. Andersson, Y. Nieto
Bone Marrow Transplantation.2023; 58(6): 635. CrossRef
A case report of toxic hepatitis caused by chloroform in automotive parts manufacturer coating process
Jong Hyun Hwang, Jung Il Kim
Annals of Occupational and Environmental Medicine.2022;[Epub] CrossRef
A green approach to porous and dense antifouling membranes through solvent-free bulk polymerization
Runnan Zhang, Jinming Peng, Yanlei Su, Xiaochen Fan, Zhongyi Jiang, Xueting Zhao, Jiazhen Liu, Yafei Li, Jiaojiao Zhao
Chemical Engineering Science.2015; 135: 501. CrossRef
Grand Rounds: An Outbreak of Toxic Hepatitis among Industrial Waste Disposal Workers
Hae-Kwan Cheong, Eun A Kim, Jung-Keun Choi, Sung-Bong Choi, Jeong-Ill Suh, Dae Seob Choi, Jung Ran Kim
Environmental Health Perspectives.2007; 115(1): 107. CrossRef
Incidence of dimethylacetamide induced hepatic injury among new employees in a cohort of elastane fibre workers
C-Y Lee, S-J Jung, S-A Kim, K-S Park, B-G Ha
Occupational and Environmental Medicine.2006; 63(10): 688. CrossRef

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Related factors of high frequency hearing loss in the noise-exposed male workers: Sang Je Jung, Kuck Hyeun Woo, Wan Deup Park, Jae Young Yu, Tae Sung Choi, Sang Woo Kim, Jin Seok Kim; Korean Journal of Occupational and Environmental Medicine 2000;12(2):187-197. Published online June 30, 2000; DOI: https://doi.org/10.35371/kjoem.2000.12.2.187

Abstract PDF

OBJECTIVES
The purpose of the study was to assess the risk factors assumed to be related to the high frequency hearing loss in the noise-exposed male workers.
METHODS
712 occupationally noise-exposed male workers were included in this cross sectional study. The subjects filled out a questionnaire on the history of noise exposure, hearing protection, otologic diseases, tobacco smoking, and were tested on height, weight, hematocrit, serum total cholesterol level, fasting plasma glucose level and arterial blood pressure level. Pure tone audiometry and otoscopy were conducted and the subjects were allocated into two groups according to whether they had 4000 Hi hearing loss or not.
RESULTS
The multiple logistic regression analysis showed that military noise exposure, poor wearing status of the hearing protection devices, increased age, long noise exposure duration, mean arterial pressure less than 80mmHg, high fasting plasma sugar are the factors significantly related to high frequency hearing loss (P<0.05). On the contrary, there was no significant relationship between noise intensity, body mass index, serum total cholesterol level, smoking and high frequency hearing loss. Low hematocrit was shown to be a significant factor with a p-value less than 0.1.
CONCLUSIONS
High frequency hearing loss in the noise-exposed male workers is related to military noise exposure, use of hearing protection devices, age, noise exposure length, fasting glucose level and mean arterial pressure, in this order. Appropriate use of the hearing protection devices has a great impact on the prevention of the noise-induced hearing loss.

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The effect of diabetes on 4-year changes of hearing thresholds in male workers exposed to noise in a single company: a longitudinal study
Dae Yun Kim, A Ram Kim, Joo Hyun Sung, Choong Ryeol Lee, Jiho Lee
Annals of Occupational and Environmental Medicine.2019;[Epub] CrossRef

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Two Cases of Convulsion Associated With Caprolactam: Kuck Hyeun Woo, Sang Je Jung, Wan Seup Park, Hea Ryeon Shin, Jin Seok Kim, Sang Woo Kim; Korean Journal of Occupational and Environmental Medicine 1998;10(1):116-120. Published online February 28, 1998; DOI: https://doi.org/10.35371/kjoem.1998.10.1.116

Abstract PDF: Two young men were seen with nausea, vomiting, dermatitis, seizure after two-four days of occupational exposure to caprolactam, a nylon fiber precursor. There were no significant results in laboratory test, brain CT, EEG except leukocytosis, hyperglycemia. Caprolactam has been shown to induce convulsive disorder in experimental animal studios and Tuma et al (1981) described that one worker acutely exposed to caprolactam developed generalized tonic-clonic seizure with leukocytosis. The coincidence of typical skin lesion with otherwise unexplained generalized tonic-clonic seizure in those young man strongly suggests that caprolactam was causal agent.

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Neurobehavioral Effects of Low Level Lead-exposed Workers at CRT(Cathode Ray Tube) Manufacturing Factory: Jong Young Lee, Chae Yong Lee, Ji Suk Kim, Sang Jae Lee, Wan Seoup Park, Kuck Hyeun Woo; Korean Journal of Occupational and Environmental Medicine 1997;9(2):208-216. Published online June 30, 1997; DOI: https://doi.org/10.35371/kjoem.1997.9.2.208

Abstract PDF: To assess neurobehavioral effects of 48 low level lead-exposed workers in CRT manufacturing factory, simple and choice reaction time test with NTOS (Neurobehavioral Tests for Occupational Screening), digit symbol and digit span with K-WAIS (Korean Wechsler Adult Intelligence Scale), and SCL-90-R (Symptom Check List 90 revised) was examined. These screening test battery reflect 3 psychological domain; psychomotor, short term memory, and symptom. Average blood lead level was 17.7 microgram/dl and mean exposure duration was 5.6 years. Nobody exceeded blood lead level over 40 microgram/dl, the guideline. We divided workers to two group, shorts-term exposed group(< or = 5 years) and long-term exposed groups 5 years) for analysis. ANCOVA model of simple reaction time, hostility, phobic anxiety, somatization were statistically significant and coefficient of independent variable of exposure duration was also significant. MANCOVA model of SCL-90-R was significant, too. The results of this study were consistent with previous study; symptoms were early neurobehavioral effects of low level lead exposure. And this study showed that current blood lead level as independent variable was able to mask the early neurobehavioral effects.

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