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Joon Youn Kim 22 Articles
Blood Mercury Concentration and Related Factors in an Urban Coastal Area in Korea.
Eun Mi Jo, Byoung Gwon Kim, Yu Mi Kim, Seung Do Yu, Chang Hun You, Joon Youn Kim, Young Seoub Hong
J Prev Med Public Health. 2010;43(5):377-386.
DOI: https://doi.org/10.3961/jpmph.2010.43.5.377
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  • 17 Crossref
AbstractAbstract PDF
OBJECTIVES
This study was carried out for the purpose of evaluating the blood mercury concentration of the residents of Busan, Korea, as well as the relationship between the mercury concentration and the pattern of fish consumption along with other epidemiological factors. METHODS: Two hundred ninety-three subjects (147 men and 146 women), who were aged 40 years or more, were recruited into this study between June and October 2009. The mean age of the subjects was 54.3 years (with a range of 40-70 years). Mercury concentrations in blood samples were measured using a gold-amalgam collection method. RESULTS: The geometric mean concentration of mercury in the total subjects was 8.63 microgram/L [range: 1.48~45.71 microgram/L]. The blood mercury concentration of the men (9.55 microgram/L) was significantly higher than that of the women (7.76 microgram/L). The blood mercury concentration of those who eat fish more than 4 times per week was higher than others, and was statistically significant (male p = 0.0019, female p = 0.0002). According to the multiple analysis, the blood mercury concentration was significantly affected by the consumed fish but other epidemiological factors were not related. CONCLUSIONS: It was found that the subjects who have consumed a large amount of fish may have high blood mercury concentration. It appears that fish consumption can influence blood mercury concentration. Therefore, guidelines for fish consumption that will decrease blood mercury concentration might be necessary in Korea.
Summary

Citations

Citations to this article as recorded by  
  • Assessment of Lead and Mercury Exposure Levels in the General Population of Korea Using Integrated National Biomonitoring Data
    Jeong-Wook Seo, Young-Seoub Hong, Byoung-Gwon Kim
    International Journal of Environmental Research and Public Health.2021; 18(13): 6932.     CrossRef
  • Association of Blood Mercury Level with the Risk of Depression According to Fish Intake Level in the General Korean Population: Findings from the Korean National Health and Nutrition Examination Survey (KNHANES) 2008–2013
    Kyung Won Kim, Sundara Raj Sreeja, Minji Kwon, Ye Lee Yu, Mi Kyung Kim
    Nutrients.2020; 12(1): 189.     CrossRef
  • Determination of Mercury Daily Intake and Hair-to-Blood Mercury Concentration Ratio in People Resident of the Coast of the Persian Gulf, Iran
    Narjes Okati, Abbas Esmaili-sari
    Archives of Environmental Contamination and Toxicology.2018; 74(1): 140.     CrossRef
  • Is mercury exposure causing diabetes, metabolic syndrome and insulin resistance? A systematic review of the literature
    Cynthia Roy, Pierre-Yves Tremblay, Pierre Ayotte
    Environmental Research.2017; 156: 747.     CrossRef
  • Biomonitoring in California Firefighters
    Dina Dobraca, Leslie Israel, Sandra McNeel, Robert Voss, Miaomiao Wang, Ryszard Gajek, June-Soo Park, Suhash Harwani, Frank Barley, Jianwen She, Rupali Das
    Journal of Occupational & Environmental Medicine.2015; 57(1): 88.     CrossRef
  • A Study on Mercury Exposure Levels among Schoolchildren and Related Factors in High Mercury Exposure Areas in Korea
    Dae Seon Kim, Young Min Kwon, Hee-Ung Chung, Sang Hoon Nam, Seung Do Yu
    Korean Journal of Environmental Health Sciences.2015; 41(4): 231.     CrossRef
  • Mercury Exposure Factors among Residents in the Highly Mercury Exposed Area, Seoksan-ri, Korea
    Dae Seon KIM, Young Min Kwon, Hee-Ung Chung, Kyunghee CHOI
    Korean Journal of Environmental Health Sciences.2015; 41(5): 349.     CrossRef
  • Global methylmercury exposure from seafood consumption and risk of developmental neurotoxicity: a systematic review
    Mary C Sheehan, Thomas A Burke, Ana Navas-Acien, Patrick N Breysse, John McGready, Mary A Fox
    Bulletin of the World Health Organization.2014; 92(4): 254.     CrossRef
  • Population correlates of circulating mercury levels in Korean adults: the Korea National Health and Nutrition Examination Survey IV
    Seongbeom Cho, David R Jacobs, Kyong Park
    BMC Public Health.2014;[Epub]     CrossRef
  • Bone mineral density and blood metals in premenopausal women
    A.Z. Pollack, S.L. Mumford, J. Wactawski-Wende, E. Yeung, P. Mendola, D.R. Mattison, E.F. Schisterman
    Environmental Research.2013; 120: 76.     CrossRef
  • Correlation between Hair Mercury Concentration and Blood Total Mercury in Several Area Residents
    Gyeong-Yeon Kim, Jeong-Wook Seo, Byoung-Gwon Kim, Yu-Mi Kim, Rock-Bum Kim, Dae-Seon Kim, Jung-Man Kim, Choon-Jin Kim, Young-Seoub Hong
    Korean Journal of Environmental Health Sciences.2013; 39(2): 117.     CrossRef
  • Dietary Nutrient and Food Intake and Their Relations with Serum Heavy Metals in Osteopenic and Osteoporotic Patients
    Myung-Hwa Kang, Seung-Mi Park, Doo-Nam Oh, Mi-Hyun Kim, Mi-Kyeong Choi
    Clinical Nutrition Research.2013; 2(1): 26.     CrossRef
  • Measures for a closer-to-real estimate of dietary exposure to total mercury and lead in total diet study for Koreans
    Eunmi Koh, Hyehyung Shin, Miyong Yon, Ji Woon Nam, Yoonna Lee, Dohee Kim, Jeeyeon Lee, Meehye Kim, Sung-Kug Park, Hoon Choi, Cho-il Kim
    Nutrition Research and Practice.2012; 6(5): 436.     CrossRef
  • The Relationship between Fish Consumption and Blood Mercury Levels in Residents of Busan Metropolitan City and Gyeongnam Province
    Chan Woo Kim, Young Wook Kim, Chang Ho Chae, Jun Seok Son, Ja Hyeon Kim, Hyoung Ouk Park, Yune-Sik Kang, Jang-Rak Kim, Young Seoub Hong, Dae-Seon Kim, Baek Geun Jeong
    Journal of agricultural medicine and community health.2012; 37(4): 223.     CrossRef
  • Analysis of Methylmercury Concentration in the Blood of Koreans by Using Cold Vapor Atomic Fluorescence Spectrophotometry
    Byoung-Gwon Kim, Eun-Mi Jo, Gyeong-Yeon Kim, Dae-Seon Kim, Yu-Mi Kim, Rock-Bum Kim, Byung-Seong Suh, Young-Seoub Hong
    Annals of Laboratory Medicine.2012; 32(1): 31.     CrossRef
  • Blood Heavy Metal Concentrations of Korean Adults by Seafood Consumption Frequency: Using the Fourth Korea National Health and Nutrition Examination Survey (KNHANES IV), 2008
    Young A Kim, Young-Nam Kim, Kyung-Dong Cho, Mi Young Kim, Eun Jin Kim, Ok-Hee Baek, Bog-Hieu Lee
    The Korean Journal of Nutrition.2011; 44(6): 518.     CrossRef
  • Relationship Between Blood Mercury Concentration and Waist-to-Hip Ratio in Elderly Korean Individuals Living in Coastal Areas
    Chang-Hun You, Byoung-Gwon Kim, Jung-Man Kim, Seung-Do Yu, Yu-Mi Kim, Rock-Bum Kim, Young-Seoub Hong
    Journal of Preventive Medicine and Public Health.2011; 44(5): 218.     CrossRef
The Relationship between ACE I/D Polymorphism and HDL Cholesterol.
Chang Hun You, Young Seoub Hong, Jong Young Kwak, Na Young Kim, Mee Sook Roh, Kap Yeol Jung, Yong Hwan Lee, Jung Man Kim, Joon Youn Kim
J Prev Med Public Health. 2006;39(6):505-510.
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AbstractAbstract PDF
OBJECTIVES
The purpose of this study is to evaluate the association of the angiotensin converting enzyme (ACE) insertion/deletion (I/D) polymorphism with cardiovascular disease risk factors. METHODS: Out of a total of 608 middle-aged adults who visited local health centers, 424 subjects (104 male, 320 female) who had not been diagnosed with hypertension, diabetes mellitus, or hyperlipidemia were included in this study. ACE genotypes were determined in all subjects by polymerase chain reaction methods. RESULTS: Statistical differences in high-density lipoprotein (HDL) cholesterol levels according to ACE genotype were observed using ANOVA (p<0.05), but no differences were found in other cardiovascular risk factors. Specifically, men with the DD and DI genotypes had significantly lower HDL cholesterol levels than those with the II genotype based on the LSD multi-comparison test (p<0.05). CONCLUSIONS: In men, the D-allele of the ACE I/D polymorphism was significantly associated with reduced HDL cholesterol levels. In the future, larger studies are needed to confirm this relationship between ACE I/D polymorphism and HDL cholesterol.
Summary
Directions for Future Development of Preventive Medicine in Korea.
Joon Youn Kim
J Prev Med Public Health. 2006;39(3):185-189.
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AbstractAbstract PDF
It is the actual state of the medical society in our country that many graduates of medical schools want to be clinicians, and accordingly Korea's medical situation is relatively too focused on curative medicine. However, this situation is changing due to several factors including a growing number of doctors, inappropriate regulations for medical fees, changes in social status of doctors themselves, and excessive competition between doctors. Furthermore, we expect more advances in medical field of Korea since Korean government started to attach great importance to sciences and produced policies to support sciences, and as a result, more and more interest and effort in the fields of basic research including preventive medicine is being attached especially by young doctors as compared against the past. However, decline of clinical medicine fields doesn't always mean bright future for the field of preventive medicine. True future is possible and meaningful only when we prepare for it by ourselves. In other words, as the promising future is closed to one who spares no effort, we shouldn't fear to oppose unknown challenges and simultaneously need to support colleagues who bear such a positive mind. It is the most important thing for our preventive medicine doctors to evaluate the past and the present of preventive medicine and to foster a prospective mind to prepare for the future of preventive medicine. I set forth my several views according to directions for the development of preventive medicine which we already discussed and publicized in the academic circle of preventive medicine. Those directions are recommen dation of clinical preventive medicine, promotion of preventive medicine specialty, fostering the next generations, improving the quality of genetic epidemiologic study, participation in control of environmental pollution and food safety, contribution to chronic disease control, and preparation to role in medical services for unified Korea.
Summary
The Relationship between Regional Material Deprivation and the Standardized Mortality Ratio of the Community Residents Aged 15-64 in Korea.
Baek Geun Jeong, Kap Yeol Jung, Joon Youn Kim, Ok Ryun Moon, Yong Hwan Lee, Young Seoub Hong, Tae Ho Yoon
J Prev Med Public Health. 2006;39(1):46-52.
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OBJECTIVES
This study was performed to investigate the relationship between regional material deprivation and the standardized mortality ratios(SMRs) of community residents aged 15-64 in Korea. METHODS: SMRs were investigated using the registered death data from 1995 to 2000 that was obtained from the Korean National Statistics Office with the denominators being drawn from the 1995 to 2000 census. Material deprivation was measured using the Townsend score that was calculated from the 1995 to 2000 census. The relationship between the regional material deprivation and the SMRs of the community residents aged 15-64 was investigated by using ANOVA, Spearman's rank correlation analysis and Pearson's correlation analysis. The trends in mortality inequality were investigated using the concentration index. RESULTS: On the ANOVA, the SMRs of the men and women residents in the least deprived areas were the smallest and those in the most deprived areas were the largest. Spearman's rank correlation analysis, Pearson's correlation analysis and the concentration index revealed that significant positive relationships exist between the regional material deprivation and the SMRs of the community residents aged 15-64. CONCLUSIONS: This study suggests that there are mortality inequalities among the communities in Korea and part of this difference is due to the material deprivation of the community. Strategies aimed at reducing mortality inequalities among the communities will be needed to address economic inequalities. Further studies are needed to explore the mechanisms of how the regional deprivation influences on health and how the other factors of the community influence on the health of the community residents.
Summary
Prevalence of Metabolic Syndrome and Waist Circumference Estimation in Some Korean Adults.
Young Seoub Hong, Byoung Gwon Kim, Baek Geun Jeong, Yong Woo Park, Jong Tae Park, Kap Yeol Jung, Joon Youn Kim
J Prev Med Public Health. 2004;37(1):51-58.
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AbstractAbstract PDF
OBJECTIVE
The purpose of this study was to estimate the prevalence of metabolic syndrome, as defined by the ATP III report, in some Korean adults and use the Asian-Pacific proposed waist circumference to investigate waist circumference in some Korean adults using ROC curves. METHODS: Study subjects were seventy-five thousands and ninety one persons (47, 979 men and 27, 111 women) who were selected among the patients who visited hospital for health evaluation from January 2000 to December 2001. All subjects were measured by height, weight, waist and hip circumferences, blood pressure and blood chemistry (lipid profile). RESULTS: The mean age was 41.6+/-8.5 years in men, 41.1+/-10.4 years in women (p< 0.05). Body mass index was in the normal range in 35.3% of men, and 55.9% of women. In both men and women, blood pressure, blood sugar, total cholesterol and triglyceride were positively correlated with BMI. waist circumference, and Broca's index (p< 0.01). However HDL. choloesterol was correlated negatively (p< 0.01). Using ROC curve, the calculated waist circumferences were 84 cm in men (sensitivity 61.4% and specificity 64.1%) and 74 cm in women (sensitivity 65.0% and specificity 73.2%). The age adjusted prevalences of the metabolic syndrome as defined by NCEP ATP III were different for men (6.4%) and women (14.6%). The prevalence increased from 1.2% among participants aged 20 through 29years to 15.0% among participants aged over 60years in men (p< 0.05) and from 1.6% to 27.4% respectively, in women. The age adjusted prevalences, as defined by using the waist circumference that was recommended by WHO's regional office for the western Pacific, were 10.6% in men and 18.5% in women. The age adjusted prevalences, as defined by using the waist circumference that was calculated by the ROC curves, were 17.1% in men and 22.4% in women. And All prevalences were increased following increased BMI and Broca's index. CONCLUSIONS: The prevalence of metabolic syndrome in some Korean adults was lower than that in western adults. Nevertheless because waist circumference was differed among race and region, application of the same criteria was not proper. Morcover, a higher awareness was required in women, because the prevalence of metabolic syndrome was rapidly increased with increment of age.
Summary
The Cancer-preventive Potential of Panax ginseng: A Review of Human and Experimental Evidence.
Hai Rim Shin, Joon Youn Kim, Duk Hee Lee, Taik Koo Yun, Gareth Morgan, Harri Vainio
Korean J Prev Med. 2000;33(4):383-392.
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OBJECTIVE
We have reviewed the potential cancer preventive and other relevant properties of Panax ginseng C. A. Meyer, which has been traditionally used as a natural tonic in oriental countries. DATA IDENTIFICATION AND STUDY SELECTION: Publications on Panax ginseng and its relation to cancer were obtained from the Medline database (1983-2000) and by checking reference lists to find earlier reports. The reports cover experimental models and human studies on cancer-preventive activity, carcinogenicity and other beneficial or adverse effects. In addition, possible mechanisms of chemoprevention by ginseng were also considered. RESULTS: Published results from a cohort and two case-control studies in Korea suggest that the intake of ginseng may reduce the risk of several types of cancer. When ginseng was tested in animal models, a reduction in cancer incidence and multiplicity at various sites was noted. Panax ginseng and its chemical constituents have been tested for their inhibiting effect on putative carcinogenesis mechanisms (e.g., cell proliferation and apoptosis, immunosurveillance, angiogenesis); in most experiments inhibitory effects were found. CONCLUSION: While Panax ginseng C. A. Meyer has shown cancer preventive effects both in experimental models and in epidemiological studies, the evidence is currently not conclusive as to its cancer-preventive activity in humans. The available evidence warrants further research into the possible role of ginseng in the prevention of human cancer and carcinogenesis.
Summary
Blood Lead, Manganese, Aluminium and Silicon Concentrations in Korean Adults.
Jung Man Kim, Jung Mo Ahn, Won Sul Kim, Jung Il Kim, Hai Rim Shin, Kap Yeol Jung, Joon Youn Kim
Korean J Prev Med. 2000;33(2):157-164.
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AbstractAbstract PDF
OBJECTIVES
This study was performed to determine the reference values of blood lead, manganese, aluminium, and silicon in healthy adults. METHODS: The subjects were 132 (67 male and 65 female), and classified to three age groups (< or =39, 40~49, and 50< or =). Blood lead, manganese and aluminium were analyzed by atomic absorption spectrophotometer, and blood silicon was analyzed by direct current plasma optical emission spectrometer. RESULTS: Blood lead levels(geometric mean, S.D) were (3.49, 1.70) microgram/dL in male and (3.04, 1.65) microgram/dL in female, but the difference is not significant, and there was no significant difference between age groups. Mean blood manganese level was 0.99+/-0.41 microgram/dL, and there was no significant difference between sex or age groups. Mean blood aluminium level was 0.59+/-0.35 microgram/dL, and there was no significant difference between sex or age groups. Mean blood silicon level was 54.41+/-27.64 microgram/dL in male and 43.34+/- 23.51 microgram/dL in female, and the level in male was significantly higher than that in female (p<0.05). There was significant difference between age groups, and the oldest showed the highest level in male (p<0.05), but no significant difference between age groups in female. CONCLUSIONS: Authors hope that this study would provide basic data for determining reference values and evaluating health effects.
Summary
Effect on Aluminum and Silicon in Peptic Ulcer Patients.
Joon Youn Kim, Hae Rim Shin, Jung Il Kim, Doo Hee Kim, Suk Ryol Choi, Jung Il Seoh, Norman B Roberts
Korean J Prev Med. 1999;32(2):200-205.
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AbstractAbstract PDF
OBJECTIVES
This study was carried out to investigate the aluminum concentrations in blood, urine and drinking water, the factors which affect the concentrations and the role of silicon in patients who were taking antacid containing aluminum. METHODS: We selected 122 peptic ulcer patients as cases and 144 healthy examinees as controls. Blood, urine, and drinking water were collected from the each study subject and we measured aluminum concentrations as well as silicon concentrations in the specimens. The factors including silicon affect on the aluminum concentrations were also analyzed. RESULTS: 1. The mean duration of antacid administration was 12 months, and the mean daily and total amount of aluminum administration were 0.9 g and 304 g per each patient, respectively. 2. The blood and urine aluminum concentrations were significantly higher in the case. 3. The blood silicon concentration was significantly lower in the control group, and the urine silicon concentration was significantly higher in the case. 4. Urine aluminum concentration was significantly correlated with blood aluminum concentration (r=0.18), and urine silicon concentration was correlated with blood aluminum (r=0.19) and urine aluminum concentrations (r=0.13). 5. The longer the duration of antacid administration and the larger the total and daily amount of aluminum in the antacid were, the higher urine aluminum and silicon concentrations were, but not to a statistically significant degree. CONCLUSIONS: Blood and urine aluminum concentrations were higher in the ulcer patients. The authors suggest that follow-up studies of the patients who administered antacid with high aluminum content for long duration should be done.
Summary
Study on the Indoor-Outdoor NO2 Levels and Related Factors in Urban Aprtments.
Byung Seong Suh, Sung Hwan Kim, In Shik Kim, Yum Young Hur, Sou Young Do, Jung Man Kim, Joon Youn Kim
Korean J Prev Med. 1997;30(3):609-622.
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AbstractAbstract PDF
Nitrogen dioxide (NO2) has been regarded as one of the main elements among air pollutants, and we measured NO2levels of near gas range, kitchen, living room and outdoor on 489 apartments in Pusan area. NO2were sampled by using Palmes tubes (diffusion tube sampler) during August 16-25, 1995 (summer) and January 15-29, 1996 (winter), respectively. Authors wanted to know comparison of NO2levels in summer and winter, NO2 levels categorized by variables, and variables affected to NO2levels. According to this study, we conducted to establish the degree of indoor-outdoor air pollution of urban apartments in Korea and methods to reduce indoor air pollution. The results of this study were summarized as follows: 1) Mean NO2levels of near gas range, kitchen, living room, and outdoor were 25.9+/-10.0 ppb, 23.3+/-8.0 ppb, 19.9+/-6.1 ppb, and 19.0+/-6.0 ppb in summer, and 34.5+/-16.8 ppb, 28.2+/-13.4 ppb, 25.3+/-12.5 ppb, 21.8+/-9.8 ppb in winter, respectively. 2) Mean NO2levels according to the floor levels were not significantly different in summer, and in winter, NO2levels were decreased as the floor levels were increasing, but those were increased above 16th floor. 3) Variables showing significant correlation (p<0.05) with NO2levels were as follows; Summer: floor level, family size, number of family during a meal, number using gas range during rice cooking per day, and natural ventilation. Winter: floor level, family size, number of person who have been respiratory disease in a house, number of family during a meal, total number of meals, and number using gas range during rice or side-dish cooking per day. 4) We suggest that the methods of reducing indoor NO2levels are ventilation during cooking, complete combustion, decreasing number and time of cooking, and substitution of fuels.
Summary
Health related practices and morbidity among adult in rural area.
Jue bok Song, Boo Ouk Rhee, Hai Rim Shin, Kap Yeol Jung, Joon Youn Kim
Korean J Prev Med. 1997;30(2):342-355.
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This research was carried out to determine the performance rate of health related practices, to measure the agreement between morbidity by doctor's diagnosis and morbidity by 'subject' self-reported and the degree of association between health related practices and morbidity rate by doctor's diagnosis, to identify their effects on morbidity among rural area populations. The data were gathered by volunteer residents(over the age of 20) of Haman Myeon, Haman Gun, Kyeongsangnam Do in Korea, from June 10, 1993 to June 12, 1993 (369 male and 516 female). Face to face interview, lab, chest P-A, EKG and physical examination were completed. Descriptive statistics, agreement analysis and multiple logistic regression procedures were employed for analyses. The results of the study were summarized as follows : 1) Age adjusted morbidity rates by doctor's diagnosis and self-reported were 38.5% (male:37.3%, female:36.5%), 26.4% (male:33.3%, female:27.5%), respectively. Kappa coefficient between morbidity by doctor's diagnosis and morbidity by self-reported was 0.21 (male:0.21, female:0.22). 2) The frequency of disease by doctor's diagnosis was as follows: hypertension (15.3%), gastritis (9.6%), diabetes mellitus (8.5%), liver disease (8.1%), and degenerative arthritis (6.2%) in the study population. 3) Order of health practice performance rate was as follows: Males- normal body weight (62.1%), non-heavy alcohol consumption (57.5%), 7-8 hours of sleeping (50.1%), non-smoking (21.7%), and exercise (19.8%). Females- non-heavy alcohol consumption (97.3%), non-smoking (84.7%), normal body weight (57.8%), 7-8 hours of sleeping (45.0%), and exercise (9.9%). 4) There was no significant relationship between health related practice and morbidity except exercise among health related practices. 5) Health related practice index which was recategorized by high, medium, and low had effects on the probability of developing morbidity.
Summary
Seroepidemiologic Study of Hepatitis B Virus(HBV) and Hepatitis C Virus(HCV) Infection among Koreans in Rural Area, Korea.
Hai Rim Shin, Joon Youn Kim, Jue Bok Song, Byung Seong Suh, Jung Man Kim, Bu Ok Lee, Su Ryang Kim, Mu Guan Yang, Chae Un Lee, Jin Ho Chun, Keun Young Yoo, Yoon Ok Ahn
Korean J Prev Med. 1997;30(1):17-30.
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To estimate the prevalence of hepatitis B virus(HBV) and hepatitis C virus(HCV) infection and to determine associated risk factors, a population-based seroepidemiologic study was carried out. In 1993, a health examination survey of the population was carried out in rural area known to have a high incidence of liver cancer. The study population were those who volunteered to participate in a health survey over 10 years of age. Examinees were interviewed by specially trained staffs. Sera from 1,033 study subjects were tested for hepatitis B surface antigen (HBsAg) by reverse passive hemagglutinin (RPHA) estimation and for hepatitis C virus antibody (anti-HCV) by 2nd generation passive hemagglutinin (PHA) estimation, The age and sex standardized prevalence of HBsAg was 6.3% which was similar to national average, but that of anti-HCV was 5.1% which was 4 to 5 times higher than that of blood or other health examinees in Korea. In a multivariate analysis, transfusion history, surgical operative history, and acupuncture history were not associated with HBsAg positivity. In contrast, acupuncture history (adjusted odds ratio[OR]=2.2 : 95% Confidence interval[CI] 1.0-4.7) and surgical operative history(adjusted OR=2.0 : 95% CI 1.0-4.1) were associated with anti-HCV positivity. The present study suggest that there is an highly endemic area of HCV infection in Korea and probably this endemicity is associated with a parenteral source of HCV infection other than blood transfusion.
Summary
Nephropathy in Chronic Lead Poisoning.
Byoung Gwon Kim, Sung Ryul Kim, Young Seoub Hong, Seo Hee Rha, Jung Man Kim, Kap Yull Jung, Joon Youn Kim
Korean J Prev Med. 1996;29(1):43-50.
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AbstractAbstract PDF
We experienced a case of nephropathy in chronic lead poisoning. The patient was 43-year-old male who has been working in secondary lead smelting plant for ]4 years. On admission, blood pressure was 160/90 mmHg and the others were non-specific. In past history, he received chelating agent administration for lead poisoning irregularly and medicated for gout, and the blood lead concentration was 180.0 microgram/dl on 2 months before admission. Smoking habit has been 1 pack per day for 15 years and drinking habit has been 1 bottle of Soju per day but less now. In liver function test, AT/ALT were 27/28 IU/l and gamma-GT was 456 IU/l. In blood test, Hb:11. 5 g/dl , Hct: 34.0% and basophilic stipplings were found in peripheral blood smear. Chest PA was normal and abdominal ultrasonographic finding was non-specific except fatty liver. In the test of lead exposure indices, pbB: 83.0 microgram/dl, pbU: 28.3 microgram/l, and blood ZPP was 300.0 microgram/dl. And in renal function test, BUN: 31.4 mg/dl, blood creatinine: 2.7mg/dl, blood uric acid: 9.1 mg/dl, urinary albumin: 100.0 mg/g creatinine, urinary a alpha 1-microglobulin: 120.5 mg/g creatinine, urinary beta2-mioroglobulin: 183.8 microgram/g creatinine, and 24 hours urinary creatinine clearance was 31.9 ml/min. The ultasonoguided renal biopsy showed the global sclerosis of glomerulus, moderate atrophy and loss of tubule, and interstitial fibrosis in light microscopy. There were diffuse losses of brush border of proximal tubule in electronmicroscopy.
Summary
Multiple Brain Calcification in Chronic Lead Poisoning.
Sung Ryul Kim, Byoung Gwon Kim, Young Seoub Hong, Do Won Dam, Soon Seob Choi, Kap Yull Jung, Joon Youn Kim
Korean J Prev Med. 1995;28(2):398-405.
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AbstractAbstract PDF
We experienced a case of occupational lead poisoning employed in a secondary lead smelting plant for 12 years. The patient was 39-year-old male and had been felt dizziness, recent memory impairment and intermittent severe abdominal pain for 2 years. On admission, blood lead level was 92.9 microgram/dl, urinary lead level was 19,9 microgram/l and zinc protoporphyrin level was 226.0 microgram/dl. On the blood test, hemoglobin was 10.6 g/dl and showed normocytic normochromic anemia. There were no abnormal findings in the biochemical and hormonal tests. Decrease of I.Q. and use of words in speaking were found in the psychiatric and psychologic examinations. We observed the finding of motor polyneuropathy in the nerve conduction velocity test. Computed tomographic finding showed calcification lesions in the basal ganglia, dentate nuclei, caudate nuclei, and especially characteristic multiple calcifications were located in the subcortical white matter.
Summary
Study on the Pulmonary Function in Welding Fume Exposed Workers.
Young Seoub Hong, Byoung Gwon Kim, Sung Ryul Kim, Do Won Dam, Jung Man Kim, Kap Yull Jung, Joon Youn Kim
Korean J Prev Med. 1995;28(1):43-58.
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AbstractAbstract PDF
In order to study the effect of welding fume exposure upon the pulmonary function test, we examined 131 shielded arc welding workers, and 152 CO2 arc welding workers as cases and 172 control workers for their general characteristics, and forced vital capacity (FVC), forced expiratory volume in one second (FEV1.0) forced expiratory volume in one second as a percent of FVC(FEV1.0%), and maximal mid-expiratory flow (MMF) were obtained from in the spirogram. In shielded arc welding group and CO2 arc welding group, FVC, FEV1.0, FEV1.0%, and MMF were significantly decreased than control group, especially marked in the MMF finding. The distribution of workers below normal range was as follows: in the shielded arc welding group, 2 workers(l.5%) for FVC, 17 workers(13.0%) for FEV1.0, 5 workers(3.8%) for FEV1.0%, 28 workers(21.4%) for MMF, and in the CO2 arc welding group, 3 workers(2.0%) for FVC, 25 workers(16.4%) for FEV1.0, 8 workers(5.3%) for FEV1.0% and 37 workers(24.3%) for MMF, and significant increase by exposure duration was found in MMF. The distribution of workers who had ventilation impairment was as follows: 5 workers(3.8%) for obstructive type, 2 workers(l.5%) for restrictive type in the shielded arc welding group and, workers(4.6%) for obstructive type. 2 workers(l.3%) for restriotive type, and 1 worker(0.6%) was combined type of the CO2 arc welding group. In the respect of these results the significant pulmonary function and ventilatory impairment were observed in welding fume exposed workers who had not abnormal finding in chest X-ray, and MMF considered as the most sensitive pulmonary function index by welding fume exposure. Therefore even if it is hard to doing pulmonary function test in the first health examination of workers according to the Industrial Safety Health Act in the welding fume exposure workers. it is desirable to consider doing PFT. Also evaluating the ventilation impairment, it is necessary, to observe the change of MMF that marker of effort-independent portion.
Summary
A Follow-up Study on the Personal Noise Exposed Dose and Hearing Loss.
Won Sool Kim, Young Seoub Hong, Yang Seak Kim, Sang Ju Lee, Kyung Il Park, Kap Yull Jung, Joon Youn Kim
Korean J Prev Med. 1994;27(2):286-298.
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For the purpose of presenting the basic data for the establishment of control measures on the long-term noise exposed workers, this study was carried or on the relationship between personal noise exposed dose and hearing loss on the 67 male workers whose hearing threshold had exceeded 40dB in 4,000Hz, from 1990 to 1992. Conclusively, the level of hearing loss was significantly related to personal noise exposed dose which was measured by the personal noise dosemeter was more efficient rather than the noise level of workplace for the evaluating the long-term change of hearing acuity. And although in the case of not-diagnosed as noise induced hearing loss, it was suspected that the active control programs such as improvement of noisy environment or early transfer to proper workplace were needed on the workers who exposed with over 90dB in personal noise exposed dose.
Summary
Relationship Between The Biological Lead Exposure Indices And Air Lead Concentrations Measured By Personal Air Samplers.
Haeng Ryeol Lee, Jung Man Kim, Kap Yull Jung, Joon Youn Kim
Korean J Prev Med. 1993;26(1):65-73.
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This study was carried out to evaluate the relationship between the biological lead exposure indices and air lead concentrations measured by personal air samplers. The 72 occupationally lead exposed workers were observed and the biological lead exposure indices chosen for this study were blood lead(PuB), urine lead(PbU), zinc protoporphyrin in whole blood(ZPP), gamma-aminolevulinic acid in urine(ALAU), gamma-aminolevulinic acid dehydratase activity(ALAD), coproporphyrin in urine(CPU) and hemoglobin(Hb). The workers were divided into four groups by air lead concentrations: Group I; under 0.05 mg/m3, Group II; 0.05-0.10 mg/m3, Group III; 0.10-0.15 mg/m3 and Group IV; and over 0.15 mg/m3. For evaluation the relationship between the biological lead exposure indices and air lead concentrations was used as correlation coefficients. The results obtained were as follows: 1. In Group I, II, III and IV, the mean value of PbB were 25.45+/-1.84 microgram/dl, 27.87+/-3.53 microgram/dl, 31.21+/-1.76 microgram/dl and 47.02+/-13.96 microgram/dl. Between Group IV and other groups showed statistically significant difference(p<0.05). 2. There was an increasing tendency of PbB, PbU, ALAU and ZPP according to the increase the mean air lead concentration, while ALAD has decreasing tendency. CPU and Hb did not show any constant tendency. 3. Correlation coefficients between PbB, PbU, ZPP, ALAU, ALAD, CPU, Hb and air lead concentration were 0.95, 0.83, 0.89, 0.72, -0.83, 0.51 and -0.45 respectively, and regression coefficient between PbB(Y) and PbA(X) was Y=126.8746X+16.9996(P<0.01).
Summary
The levels of blood lead and zinc protoporphyrin for healthy urban population in Korea.
Dong Il Kim, Yong Kyu Kim, Jung Man Kim, Kap Yull Jung, Joon Youn Kim
Korean J Prev Med. 1992;25(3):287-302.
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Hemoglobin(Hb), zinc protoporphyrin(ZPP) and blood lead(PbB) levels were determined for 1,851 blood samples collected from healthy urban population to establish reliable baselines for Hb, ZPP and PbB levels by age and sex. ZPP values were analyzed with a Hmatofluorometer and PbB determinations were concurrently carried out using flameless atomic absorption spectrophotometry. The blood sampling period was about 6 months from May, 1991 and the summarized results were as follows; 1. The mean value of Hb in male female were 14.55+/-1.81 g/dl and 12.61+/-1.81 g/dl respectively and there was statistically significant difference(p<0.05). 2. The mean value of ZPP in pre-schoolchildren was 37.49+/-13.31 microgram/dl for male, 35.77+/-11.85 microgram/dl for female and that of ZPP in after 7 years groups was 31.91+/-8.23 microgram/dl for male, 30.11+/-9.11 microgram/dl for female and there was statistically significant difference(p<0.05). 3. The mean value of PbB in pre-schoolchildren was 25.10+/-5.21 microgram/dl for male, 24.45+/-4.18 microgram/dl for female and that of PbB in after 7 years groups was 24.28+/-3.00 microgram/dl for male, 21.99+/-5.05 microgram/dl for female and there was statistically significant difference(p<0.05).
Summary
A Study on the Indoor-Outdoor NO2 Levels and Personal Exposures to NO2 with Analysis of Factors Affecting the NO2 Concentrations: Centering on Urban Homes and Housewives.
Jin Ho Chun, Chae Un Lee, Joon Youn Kim, Yo Han Chung
Korean J Prev Med. 1988;21(1):132-151.
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This study was conducted to establish the control program for preventing unfavorable health effects of nitrogen dioxide(NO2) exposure in homes by preparing the fundamental data for evaluation of relationships between NO2 levels and influencing factors through measurements of indoor-outdoor NO2 levels and personal NO2 exposures for housewives with questionnaire survey on 172 homes in Pusan area from April to June, 1987. NO2 measurements were made by using diffusion tube samplers(Palmes tube NO2 sampler) for one week at 4 sites in homes ; kitchen(KIT), bedroom(BED), living room(LIV), outdoor(OUT) and near the collar housewives(personal exposure livel, PNO). The details of questionnaire were number of household members(FAM), number of regular smokers(SMOKER), daily number of meals eaten(MEAL), type of housing units(HOUSE), location of house with distance from the heavy traffic roads as walking time(DIST), and of kitchen(KAREA), kind of cooking fuels(FUEL), cooking time of each meal(CTIME), usage of kitchen fan for cooking(FAN), type of heating facilities(HEAT) and so on of subject homes. The obtained results were as follows : 1) The mean NO2 level was significantly higher at indoors than outdoors(p<0.01) and the kitchen NO2 level was the highest with 33.7+/-13.6ppb(9.5-81.5ppb). The mean personal exposure level of NO2 for housewives was 20.6+/-8.8ppb(3.1-46.9ppb). 2) The mean indoor NO2 level was significantly higher in the group of household members above 5 than below 4(p<0.05), in detached dwellings than apartments(p<0.001), within 5 minutes of distance than over 5 minutes(p<0.001), in the group of unusing fan(p<0.001), in the group of longer cooking time(p<0.001), and it was in order of coal briquette, gas, electricity and oil by kind of cooking fuels(p<0.05). 3) Variables showing significant correlation(p<0.001) with indoor NO2 level were kitchen NO2 level(r=0.8677), cooking time(r=0.5921), outdoor NO2 exposure level(r=0.4615), usage of kitchen fan(r=0.3573) and location of house(r=-0.2988). 4) As a result of multiple regression analysis, the most significant influencing variable to the kitchen NO2 level was cooking time [KIT=-0.378+/-11.772(CRIME)+0.298(OUT)+3.102(FAN)], it was kitchen NO2 level to the indoor NO2 level [IND = 6.996+0.458 (KIT) + 0.230 (OUT) - 1.127 (KAREA)], and it was indoor NO2 level to the personal NO2 exposure level [PNO=15.562+0.729(IND)-4.542(DIST)-0.200(KIT)]. 5) It was recognized that artificial ventilation in the kitchen, suppression of unnecessary combustion and replacement of cooking fuel, as much as possible, were effective means for decreasing indoor NO2 levels in homes.
Summary
An Analysis of Deaths Caused by Cancer in Metropolitan Areas of Korea: Seoul, Pusan, Taegu, Incheon.
Chae Un Lee, Joon Youn Kim
Korean J Prev Med. 1987;20(1):84-96.
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For the purpose of preparing the basic data for further cancer epidemiologic study and cancer patients control, we conducted the analysis on the degree and structure of deaths from cancer in metropolitan areas of Korea with 7,934 certified cancer deaths records of Seoul, Pusan, Taegu and Incheon in 1982. The analyzed results were as follows : 1) The total number of cancer deaths in metropolitan areas were 7,934 (male: 4,749, female: 3,185) as 14.1% of deaths from all causes in the same area. 2) The rate of physician's certification on cancer deaths was 77.4% and most of cancer deaths (84.4%) occurred at their home. 3) Cancer specific death rate was 51.7 per 100,000 population (male: 62.9, female: 41.9) and age-adjusted cancer death rate was 82.4 in male and 51.6 in female per 100,000 population. And the difference was statistically significant (p<0.01). 4) Age-specific cancer death rate was generally increased with age and most of cancer deaths (male: 75%, female: 65%) occurred from 45 to 74 years old. 5) The first three orders of cancer site were stomach (32.7%), liver (28.8%), lung (11.7%) in male and stomach (30.6%), uterus (18.4%), liver (13.8%) in female. And the relative frequency of these three cancer sites among total cancer deaths was corresponded to 73.2% in male and 62.8% in female. 6) The ratio of male to female cancer death rate was 1.5:1. And the ratio was above 3.0 in esophagus, liver, larynx, bladder cancer and the ratio was similar to 1.0 in stomach, pancreas, leukemia, brain, colon cancer, but the ratio was reversed in gall bladder and bile duct, and thyroid cancer.
Summary
A Study on the Normal Values of Lead Exposure Indices.
Hai Rim Shin, Joon Youn Kim
Korean J Prev Med. 1986;19(2):167-176.
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For the purpose of determination the normal values of some parameters relevant to lead exposure, a study was carried out from April to June 30, 1986 on 258 healthy Korean adults who have had no apparent lead exposure. The lead indices subjected to this study were as follows; blood lead (PbB), hemoglobin (Hb), zinc protopprphyrin in blood (ZPP), delta-aminolevulinic acid dehydratase (ALAD) activity in blood, coproporphyrin in urine (CPU), delta-aminolevulinic acid in urine (ALAU). 1) The mean value of PbB was 17.17+/-7.87 microgram/100ml, and there was no statistically significant difference by age & sex. The distribution of PbB fitted to the log-normal distribution (chi-square=7.38, p>0.1). 2) The mean value of Hb in male (15.17+/-1.56g/100ml) was higher than in female (13.22+/-1.51 g/100ml)(p<0.01). The distribution of Hb fitted to the normal distribution (chi-square=9.40, p>0.1). 3) The mean value of ZPP was 32.61+/-8.78 microgram/100ml, and there was no statistically significant difference by age & sex. The distribution of ZPP fitted to the normal distribution (chi-square=13.93, p>0.05). The correlation of ZPP & ALAD (r=-0.229), CPU (r=0.183) was statistically significant respectively. 4) The mean value of ALAD was 30.20+/-10.96 mol ALA/min/L of R.B.C., and there was no statistically significant difference by age & sex. The distribution of ALAD activity did not fit to the normal distribution. The correlation between ALAD & PbB (r=-0.219) was statistically significant. 5) The mean value of CPU was 36.10+/-24.54 microgram/L, and there was no statistically significant difference by age & sex. The distribution of CPU did not fit to the normal distribution. The correlation between CPU & PbB (r=0.185), ZPP (r=0.183) was statistically significant respectively. 6) The meant value of ALAU was 1.94+/-0.96 ml/L, and there was no statistically significant difference by age & sex. The distribution of ALAU fitted to the normal distribution (chi-square=9.76, p>0.1).
Summary
A Survey on the Level of NO2 Inside and Outside Urban Homes by Palmes Tube.
Yong Wan Kim, Ki Taek Pae, Sung Chun Kim, Duck Hwan Moon, Jong Tae Lee, Joon Youn Kim
Korean J Prev Med. 1986;19(1):31-44.
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For many years, NO2 has been regarded as one of the elements among indoor air pollutants of urban homes, leading to increased public concerns on this gas. For the purpose of preparing the fundamental data for the evaluation and control of health effect relevant to NO2 levels, authors measured the indoor (kitchen, living room, bedroom) and outdoor NO2 levels categorized by the type of house(apartment, detached dwelling) and cooking fuel(L.P.G., briquette) in the winter and summer, and surveyed the variables(kitchen ventilation, family size, parental smoking) may effect the indoor NO2 levels. The level of NO2 was measured by Palmes tube, and this survey was carried out at 110 homes in the Pusan area from October 1984 to September 1985. The obtained results were as follows: 1) The mean indoor and outdoor NO2 level in winter and summer, respectively, was 0.029+/-0.012 ppm and 0.022+/-0.012 ppm in the kitchen, 0.022+/-0.009 ppm and 0.018+/-0.010 ppm in the living room, 0.017+/-0.008 ppm and 0.016+/-0.010 ppm in the bed room, and 0.021+/-0.007 ppm and 0.016+/-0.007 ppm outdoors. 2) In the category of the type of house and cooking fuel, the highest mean indoor and outdoor NO2 level in the winter was in apartments using briquettes, and in the summer, the highest level was in apartments using L.P.G. 3) In the category of the type of house, the mean indoor and outdoor NO2 level in the winter and summer was higher in the apartment group compared to detached dwelling. 4) In the category of the type of cooking fuel, the mean indoor and outdoor NO2 level in the winter was higher in the briquette group, and in the summer, the L.P.G. group was higher. 5) In the category of the kitchen ventilation, family size, parental smoking and asthma attack history of children, there was an insignificant difference in the indoor NO2 levels.
Summary
A Survey on the Status of Noisy Working Environment in Manufacturing Industries.
Joon Youn Kim, Byung Soo Kim, Chae Un Lee, Jin Ho Jun, Jong Tae Lee, Jin Ok Kim
Korean J Prev Med. 1986;19(1):16-30.
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In order to prepare the fundamental data for the improvement of noisy working environments and the effective hearing conservation program on workers exposed to industrial noise, the authors surveyed the working processes and evaluated the noise levels on 56 manufacturing industries in Pusan area from April to July in 1985. The results were summarized as follows: 1. The noise level was the highest in shipbuilding and repairing(95.6 dBA), and followed by steel rolling(92.9 dBA), manufacture of motor vehicles(93.1 dBA), manufacure of fishing nets(92.9 dBA), manufacture of testiles(92.5 dBA), iron and steel foundries(89.3 dBA), manufacture of metal products(89.1 dBA), preserving and processing of marine foods(87.0 dBA), manufacture of rubber products(85.3 dBA), manufacture of plywood(84.9 dBA) and manufacture of paints(84.5 dBA). 2. Among fifty surveyed working processes, the noise level of twenty-one processes(42%) exceeded the threshold limit value for 8 hours per day. 3. As the allowable exposure times by governmental threshold limit values to industrial noise level(dBA), cocking of shipbuilding and repairing and plating(CGL) of steel rolling were the shortest(30 minutes), and followed by assembling(rivet) of manufacture of motor vehicles(1 hour) weaving of manufacture of textiles and shot, machine, pipe laying of shipbuilding and repairing(2 hours). 4. By the result of octave band analysis on noisy working processes in excess of 90 dBA, the sound level was the highest at 2,000 Hz or 4,000 Hz. 5. It was recognized that the measurement of overall sound pressure level was also effective as octave band analysis in evaluating the industrial noise.
Summary

JPMPH : Journal of Preventive Medicine and Public Health