Annals of Occupational and Environmental Medicine

Original Article

Relationship between shellfish consumption and urinary phthalate metabolites: Korean National Environmental Health Survey (KoNEHS) cycle 3 (2015-2017): Jisoo Kang, Seong-yong Cho, Jinseok Kim, Seongyong Yoon, Jong-min An, Gayoung Kim, Si young Kim; Ann Occup Environ Med 2023;35:e2. Published online February 6, 2023; DOI: https://doi.org/10.35371/aoem.2023.35.e2

Abstract Abstract in Korean PDF PubReader ePub

Background

Phthalates are endocrine disrupting chemicals that are widely used in the production of items of daily life such as in polyvinylchloride plastics, insecticides, and medical devices. This study aimed to determine the association between phthalate exposure and shellfish consumption using data from the Korean National Environmental Health Survey (KoNEHS) cycle 3 (2015–2017), which is a nationally representative survey.

Methods

In this study, we analyzed the KoNEHS cycle 3 data of 3,333 (1,526 men and 1,807 women) adults aged more than 19 years. Data related to the variables of sociodemographic factors, health-related behaviors, dietary factors, seafood consumption frequency, and urinary phthalate metabolites concentrations were collected. The concentrations of urinary phthalate metabolites of all the participants were divided into quartiles to define high and low concentration groups based on the 75th percentile concentration. A χ² test was conducted to analyze the distribution of independent variables. To analyze the relationship between shellfish consumption and phthalate exposure, the odds ratios (ORs) were calculated using logistic regression analysis.

Results

Total adults with shellfish consumption frequency of over once a week showed the following adjusted ORs for high concentrations of the following metabolites compared with the group that consumed shellfish once a week or less: 1.43 (95% confidence interval [CI]: 1.01–2.06) for mono-(2-ethyl-5-oxohexyl) phthalate (MEOHP), 1.43 (95% CI: 1.01–2.03) for mono-(2-ethyl-5-carboxypentyl) phthalate (MECPP), 1.57 (95% CI: 1.10–2.24) for ∑di-2-ethylhexyl phthalate (∑DEHP), 2.01 (95% CI: 1.46–2.77) for mono-carboxyoctyl phthalate (MCOP), 1.56 (95% CI: 1.11–2.18) for mono-carboxy-isononly phthalate (MCNP), and 2.57 (95% CI: 1.85–3.56) for mono (3-carboxypropyl) phthalate (MCPP).

Conclusions

The concentrations of urinary phthalate metabolites (MEOHP, MECPP, ∑DEHP, MCOP, MCNP, and MCPP) were higher in adults with a higher frequency of shellfish consumption.

국민환경보건 기초조사 제3기(2015-2017) 자료를 이용한 조개류 섭취와 요중 프탈레이트 대사체간의 관계
목적
프탈레이트(phthalate)는 내분비계 장애물질(endocrine disrupting chemicals, EDCs)로서, 일상생활에서 가소제, 살충제, 의료기기 등으로 광범위하게 사용되고 있다. 프탈레이트는 해양 생태계에서 널리 발견되며, 조개류는 해양생태계오염의 대표적인 지표로 사용된다. 현재까지 해양 생태계의 프탈레이트의 오염에 대한 다양한 연구가 수행되고 있으나 국내에서 프탈레이트 노출과 조개류 섭취와 관련된 연구는 아직 이루어진 바가 없다. 따라서 본 연구에서는 우리나라 인구를 대표하는 자료인 국민환경보건 기초조사 제3기(2015-2017) 자료를 이용하여 요중 프탈레이트 대사체와 조개류 섭취와의 연관성을 분석하고자 했다.
방법
본 연구는 국민환경보건 기초조사 제3기(2015-2017) 자료를 이용하여 만 19세 이상 성인 3,333명(남자1,526명과 여자1,807명)을 대상으로 진행하였다. 사회인구학적 변수 및 건강행태 관련 변수 및 식이 요인과 해산물의 섭취 빈도, 요중 프탈레이트 대사체 농도를 변수로 두어 각 변수 간의 분포 차이를 분석하였다. 로지스틱 회귀분석을 사용하여 조개류 섭취빈도에 따라 요중 프탈레이트 대사체 고농도군에 속할 OR값을 계산하였다.
결과
조개류 섭취의 경우 주 1회 초과군에서 MEOHP의 고농도군에 해당될 adjusted ORs은 1.43(95%CI: 1.01-2.06), MECPP 1.43(95%CI: 1.01-2.03), ∑DEHP 1.57(95%CI: 1.10-2.24), MCOP 2.01(95%CI: 1.46-2.77), MCNP 1.56(95%CI: 1.11-2.18), MCPP 2.57(95%CI: 1.85-3.56)으로 조사되었다.
결론
성인에서 조개류 섭취 빈도가 많을수록 요중 프탈레이트 대사체(MEOHP, MECPP, ∑DEHP, MCOP, MCNP, MCPP) 농도가 높았다.

Citations

Citations to this article as recorded by

Urinary phthalate metabolites and heart rate variability: A panel study
Ziqian Zhang, Miao Liu, Lei Zhao, Linlin Liu, Wenting Guo, Jie Yu, Huihua Yang, Xuefeng Lai, Xiaomin Zhang, Liangle Yang
Environmental Pollution.2023; 330: 121760. CrossRef
Microplastics induced inflammation and apoptosis via ferroptosis and the NF-κB pathway in carp
Tianchao Xu, Jie Cui, Ran Xu, Jingwen Cao, Meng-yao Guo
Aquatic Toxicology.2023; 262: 106659. CrossRef
Relationship between the use of plastics in refrigerator food storage and urine phthalate metabolites: the Korean National Environmental Health Survey (KoNEHS) cycle 3
Jisoo Kang, Seong-yong Cho, Seongyong Yoon
Annals of Occupational and Environmental Medicine.2023;[Epub] CrossRef

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Original Article

Population attributable fraction of indicators for musculoskeletal diseases: a cross-sectional study of fishers in Korea: Jaehoo Lee, Bohyun Sim, Bonggyun Ju, Chul Gab Lee, Ki-Soo Park, Mi-Ji Kim, Jeong Ho Kim, Kunhyung Kim, Hansoo Song; Ann Occup Environ Med 2022;34:e23. Published online September 7, 2022; DOI: https://doi.org/10.35371/aoem.2022.34.e23

Abstract Abstract in Korean PDF Supplementary Material PubReader ePub: Background
The musculoskeletal disease (MSD) burden is an important health problem among Korean fishers. We aimed to investigate the indicators of the prevalence of MSD and contributions of significant indicators to MSD in Korean fishers.
Methods
This cross-section study included 927 fishers (male, 371; female, 556) aged 40 to 79 years who were enrolled from 3 fishery safety and health centers. The outcome variable was one-year prevalence of MSD in 5 body parts (the neck, shoulder, hand, back, and knee). Independent variables were sex, age, educational attainment, household income, job classification, employment xlink:type, hazardous working environment (cold, heat, and noise), ergonomic risk by the 5 body parts, anxiety disorder, depression, hypertension, diabetes, and hyperlipidemia. The adjusted odds ratio of MSDs by the 5 body parts were calculated using multiple logistic regression analysis. We computed the population attributable fraction (PAF) for each indicators of MSDs using binary regression models.
Results
The one-year prevalence of MSD in the neck, shoulder, hand, back, and knee was 7.8%, 17.8%, 7.8%, 27.2%, and 16.2% in males vs. 16.4%, 28.1%, 23.0%, 38.7%, and 30.0% in females, respectively. The ergonomic risk PAF according to the body parts ranged from 22.8%–59.6% in males and 22.8%–50.3% in female. Mental diseases showed a significant PAF for all body parts only among female (PAF 9.1%–21.4%). Cold exposure showed a significant PAF for the neck, shoulder, and hand MSD only among female (25.6%–26.8%). Age was not a significant indicator except for the knee MSD among female.
Conclusions
Ergonomic risk contributed majorly as indicators of MSDs in both sexes of fishers. Mental disease and cold exposure were indicators of MSDs only among female fishers. This information may be important for determining priority risk groups for the prevention of work-related MSD among Korean fishers.; 어업인의 근골격계질환 관련인자의 인구집단 기여위험분율에 관한 단면연구
목적
한국 어업인들의 근골격계질환 유병률에 대한 관련인자의 인구집단 기여위험도를 조사하는 것이다.
방법
본 연구의 대상은 3개 어업안전보건센터에 소속된 40-79세 어업인 927명(남성 371명, 여성 556명)이다. 결과 변수는 구조화된 설문지에 따른 5개 신체 부위(목, 어깨, 손, 허리, 무릎)의 근골격계질환 1년 유병률이다. 독립변수는 성별, 연령, 최종학력, 가구소득, 고용형태, 세부업종, 유해 작업환경(추위, 더위, 소음), 신체부담작업수준, 불안장애, 우울증, 고혈압, 당뇨, 고지혈증이다. 다중 로지스틱 회귀분석을 사용하여5개 신체부위별 근골격계질환의 오즈비를 산출하였다. 이를 이용하여 근골격계질환에 대한 각 변수별로 인구집단 기여위험분율(PAF)를 계산하였다.
결과
남성에서 근골격계질환 1년 유병률은 목7.8%, 어깨17.8%, 손7.8%, 허리27.2%, 무릎16.2% 이다. 여성의 1년 근골격계질환 1년유병률은 목 16.4%, 어깨 28.1%, 손 23.0%, 등 38.7%, 무릎 30.0% 이다. 신체 부위에 따른 신체부담작업의 기여위험분율은 남성 22.8-59.6%, 여성 22.8-50.3%이다. 정신질환은 여성에서만 모든 신체부위에서 유의한 기여위험분율을 보였다(9.1%-21.4%). 추위 노출은 여성에서만 목, 어깨, 손 근골격계질환에 대해 유의미한 기여위험분율을 보였다(25.6%-26.8%). 나이는 여성에서 무릎을 제외하고는 유의한 인자가 아니다.
결론
신체부담작업은 남성, 여성 모두에서 근골격계질환에 대한 주요 기여 변수이다. 정신 질환과 추위 노출은 여성 어업인에서만 근골격계질환에 기여를 한다. 본 연구는 어업인들의 업무관련성 근골격계질환 예방을 위한 우선순위 판단에 정보를 제공할 것이다.

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Research Article

Characteristics of lumbar disc degeneration and risk factors for collapsed lumbar disc in Korean farmers and fishers: Chaeyoung Hong, Chul Gab Lee, Hansoo Song; Ann Occup Environ Med 2021;33:e16. Published online May 14, 2021; DOI: https://doi.org/10.35371/aoem.2021.33.e16

Abstract Abstract in Korean PDF Supplementary Material PubReader ePub

Background

Few studies have investigated the risk factors for lumbar intervertebral disc degeneration among hard physical workers involved in heavy lifting. In this study, we aimed to identify the characteristics of lumbar intervertebral disc degeneration and evaluate the relationship between collapsed lumbar disc and potential risk factors in farmers and fishers.

Methods

This study included 203 farmers (103 men and 100 women) and 166 fishers (95 men and 71 women) aged 40–69 years who had undergone lumbar magnetic resonance imaging and were enrolled in the Korea Farmer's Knee Cohort and the Jeonnam Fishers' Cohort. We evaluated each of the 5 lumbar discs using the Pfirrmann grading system and classified collapsed lumbar intervertebral disc (cLD) as a case with ≥ 1 grade 5 at any disc level. We investigated potential risk factors, such as gender, age, body mass index (BMI), working hours per day, working months per year, and cumulative heavy lifting working time (CLWT). The odds ratios (ORs) and their corresponding 95% confidence intervals (CIs) were calculated.

Results

The prevalence of cLD was 19.8% (23.7% among fishers, 21.2% among fishers with farming, and 17.2% among farmers). cLD correlated with factors such as age and occupation. Gender, CLWT and the working time matrix were not significantly associated with cLD. The OR of cLD adjusted by gender, age, BMI, and working time matrix was 1.26 (95% CI: 0.69–2.30) for ≥ 5,000 hours CLWT compared to that for < 2,000 hours CLWT. The OR of cLD adjusted by gender, age, BMI, CLWT, and working time matrix was 2.08 (95% CI: 1.06–4.06) for fishers compared to that for farmers.

Conclusions

Heavy lifting did not show a significant association with cLD in farmers and fishers. However, there is possibility that fishers are at a higher risk of lumbar disc collapse than farmers.

한국 농어업인의 요추추간판 퇴행성변화의 특징과 요추추간판붕괴의 위험요인
목적
중량물을 운반하는 육체노동자들의 요추추간판 퇴행성변화의 위험인자에 관한 연구는 많지 않다. 본 연구에서는 농어업인의 요추추간판의 퇴행성변화의 특성을 파악하고, 요추추간판붕괴의 위험 요인을 알아보고자 하였다.
방법
본 연구는 한국농업인무릎관절염코호트에 등록된 농업인과 전남어업인코호트에 등록된 어업인 중 요추 자기공명영상을 촬영하였던 40-69세를 대상으로 하였다. 본 연구대상자수는 농업인 203명 (남성 103명, 여성 100명)과 어업인 166명 (남성 95명, 여성 71명)이다. 연구자들은 Pfirrmann 등급 체계를 사용하여 5개의 요추 디스크를 각각 평가하고 모든 디스크 레벨에서 Pfirrmann 등급 5이상인 경우를 ‘요추추간판붕괴’(디스크간격이 50%미만으로 감소)로 분류했다. 성별, 연령, 체질량지수, 일일 근로 시간, 연간 근로 개월 수, 생애누적들기작업시간과 같은 위험요인을 조사하였고, 이를 보정한 오즈비와 95 % 신뢰구간을 산출하였다.
결과
요추추간판붕괴의 유병률은 19.8%(어업인 23.7%, 농업을 겸업하는 어업인 21.2%, 농업인 17.2%)였다. 요추추간판붕괴는 연령 및 직업과 상관관계가 있었다. 반면, 성별, 생애누적들기작업시간, 일일근로시간과 연간근로개월수로 구성된 근무시간요인은 요추추간판붕괴와 유의한 관련성을 보이지 않았다. 보정된 요추추간판붕괴의 오즈비는 생애누적들기작업시간이 2,000시간 미만인 경우에 비해 5,000시간 이상인 경우 어업인의 경우 1.26 (95 % CI 0.69–2.30)이었다. 반면, 보정된 요추추간판붕괴의 오즈비는 농업인에 비해 어업인의 경우 2.08 (95 % CI 1.06–4.06)이었다.
결론
본 연구에서 중량물들기작업시간은 요추추간판의 붕괴와 유의한 연관성을 보이지 않았다. 그러나 어업인의 경우 농업인보다 요추추간판붕괴가 유의하게 많았다.

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Population attributable fraction of indicators for musculoskeletal diseases: a cross-sectional study of fishers in Korea
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Annals of Occupational and Environmental Medicine.2022;[Epub] CrossRef

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Case Report

Four Cases of Abnormal Neuropsychological Findings in Children with High Blood Methylmercury Concentrations: Young-Seoub Hong, Dae-Seon Kim, Seung-Do Yu, Seong-Hwan Kim, Jong-Kuk Kim, Yu-Mi Kim, Jae-Ho Yu, Ji-Hyun Jung, Byoung-Gwon Kim; Ann Occup Environ Med 2013;25:18-18. Published online September 24, 2013; DOI: https://doi.org/10.1186/2052-4374-25-18

Abstract PDF PubReader ePub

Background

Methylmercury (MeHg) easily crosses the blood–brain barrier and accumulates in the brain. Accumulated MeHg will cause neurological symptoms. We report four pediatric cases of neuropsychological findings with high blood MeHg concentrations.

Case presentation

Four children were admitted for follow-up study because their total mercury (THg) concentration in the blood was found to be high during a national survey. Case 1 was a 9-year-old female with a 16.6 μg/ℓ blood THg concentration in the survey. During admission, the blood THg, hair THg, and blood MeHg concentration(mercury indices) were 21.4 μg/ℓ, 7.2 μg/g, and 20.1 μg/ℓ, respectively. In our neuropsychological examination, cognitive impairment and attention deficit were observed. Her diet included fish intake 2–3 times per week, and she had been diagnosed with epilepsy at 3 years of age. Case 2 was a 12-year-old male with blood THg of 15.4 μg/ℓ in the survey and the mercury indices were 12.7 μg/ℓ, 5.7 μg/g, and 11.8 μg/ℓ, respectively, on admission. He was also observed to have attention-deficit/hyperactivity disorder. Case 3 was a 10-year-old male child with blood THg of 17.4 μg/ℓ in the survey, and the mercury indices on admission were 21.6 μg/ℓ, 7.5 μg/g and 21.5 μg/ℓ, respectively. In his case, mild attention deficit was observed. Case 4 was a 9-year-old male with blood THg of 20.6 μg/ℓ in the survey and the mercury indices were 18.9 μg/ℓ, 8.3 μg/g, and 14.4 μg/ℓ, respectively, on admission. Mild attention difficulty was observed.

Conclusion

We suggest that fish consumption may be the main source of MeHg exposure, and that MeHg may have been the cause of the neuropsychological deficits in these cases.

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Original Article

The Effects of the Frequency of Fish Consumption on the Blood Mercury Levels in Koreans: Chan Woo Kim, Young Wook Kim, Chang Ho Chae, Jun Seok Son, Seung Hyun Park, Jae Chul Koh, Dae Seon Kim; Korean Journal of Occupational and Environmental Medicine 2010;22(2):114-121. Published online June 30, 2010; DOI: https://doi.org/10.35371/kjoem.2010.22.2.114

Abstract PDF

OBJECTIVE: We studied two districts in Korea in order to investigate if the frequency of fish consumption has an effect on the blood mercury levels.
METHODS
This survey was conducted on 164 fishing district residents in Geoje city and 219 agricultural district residents in Changwon city from July to August in 2008. The data on the demographic characteristics, the living environment, lifestyle habits and the frequency of fish consumption was collected by interviewers. We used ANOVA to estimate the particular relevance between the frequency of fish consumption and the blood mercury concentration, and other various factors.
RESULTS
The mean total blood mercury level was 6.54+/-4.01 microgram/L for the total study population. Our results were even higher than that of the National Health and Nutrition Examination Survey (USA) in, 2001~2002 and the German Environmental Survey in, 1998. In this study, there was a significant difference for the frequency of eating fish between the groups. (p<0.01, The level of the groups that ate fish 3 to 4 times per week was significantly higher as compared with the level of the other groups that ate fish 2 to 3 times per month and 1 to 2 times per week, respectively). As the frequency of fish consumption increased, so did the blood mercury concentration.
CONCLUSIONS
We found that the blood mercury concentration increases along with fish consumption and this was statistically significant and this fact reveals that fish consumption is positively related to the blood levels of mercury. Accordingly, we need systematic and periodic research on the general population to prevent mercury poisoning, which can be caused by low-level mercury exposure from dietary intake such as chronic fish consumption.

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Original Article

Occupational Diseases among Agricultural, Forestry and Fishery Workers Approved by Korea Labor Welfare Corporation: Yeon Soon Ahn, Hyun Sul Lim; Korean Journal of Occupational and Environmental Medicine 2007;19(1):1-16. Published online March 31, 2007; DOI: https://doi.org/10.35371/kjoem.2007.19.1.1

Abstract PDF

OBJECTIVES
To analyze the characteristics of occupational diseases among agricultural, forestry and fishery workers compensated under the Industrial Accident Compensation Insurance that is operated by the Korea Labor Welfare Corporation (KLWC).
METHODS
Using the KLWC database, we collected 667 cases of occupational disease compensated during the 8 years between 1 January 1998 and 31 December 2005. We analyzed the characteristics of occupational diseases using the KLWC electronic data and the data investigated by the Korea Occupational Safety and Health Agency.
RESULTS
KLWC approved 667 cases, including 69 deaths (10.3%). Men accounted for 76.0%of the approved cases. The most common age group was 50~59 years of age (37.3%). The most common size of enterprise was 5 to 49 workers (47.5%). The proportion of occupational diseases was 54.1%, of which 45.9% was work-related. Among occupational diseases, the most common was skin diseases (147 cases, 40.7%), followed by infectious diseases (131 cases, 36.3%), including scrub typhus (123 cases) and intoxication (40 cases, 11.1%). The causal hazardous agents were biological (320 cases, 88.6%), chemical (29 cases, 8.0%), and physical (11 cases, 3.0%). The major type of industry and occupation were forestry (445 cases, 66.7%) and elementary (151 among 235 cases, 89.3%), respectively.
CONCLUSIONS
Major compensated occupational diseases were infectious diseases, including scrubtyphus, skin diseases and toxic disease, which occurred among workers who were older, and had short tenure and elementary occupation, and these workers were out of the occupational health policy. A management policy must be established to prevent occupational diseases occurring in such vulnerable workers.

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Survey of the knowledge, safety climate, and compliance with hospital infection standard precautions among dental hygienists
Ho Jin Jeong, Jung Hwa Lee
Journal of Korean Academy of Oral Health.2017; 41(4): 237. CrossRef
Compensation for Occupational Injuries and Diseases in Special Populations: Farmers and Soldiers
Young-Jun Kwon, Soo-Jin Lee
Journal of Korean Medical Science.2014; 29(Suppl): S24. CrossRef
Work-related diseases of agricultural workers in South Korea
Sangchul Roh
Journal of the Korean Medical Association.2012; 55(11): 1063. CrossRef
Work-related hazards among farmers
Soon Chan Kwon, Soo-Jin Lee, Mihye Jeong
Journal of the Korean Medical Association.2012; 55(11): 1046. CrossRef
Comparison of the Awareness and Knowledge of Scrub Typhus between Case and Control Groups
Kwan Lee, Byeong-Chan Park, Hyun-Sul Lim, Sun-Seog Kweon, Jin-Su Choi, Jang-Rak Kim, Keon-Yeop Kim, So-Yeon Ryu
Journal of agricultural medicine and community health.2012; 37(1): 1. CrossRef
Occupational Infection in Korea
Yun Kyung Chung, Yeon-Soon Ahn, Jae Sim Jeong
Journal of Korean Medical Science.2010; 25(Suppl): S53. CrossRef
Disease Prevalence and Mortality among Agricultural Workers in Korea
Won Jin Lee, Eun Shil Cha, Eun Kyeong Moon
Journal of Korean Medical Science.2010; 25(Suppl): S112. CrossRef

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Original Article

The Effect of Breath Hold Diving on Bone Mineral Density of Women Fishery Diver: Hwan Sik Hwang, Hyun Rim Choi; Korean Journal of Occupational and Environmental Medicine 2003;15(4):411-421. Published online December 31, 2003; DOI: https://doi.org/10.35371/kjoem.2003.15.4.411

Abstract PDF: OBJECTIVES
The aim of this study was to determine the effect of breathhold diving on female diver's bone mineral density (BMD).
METHODS
A cross-sectional observational study was carried out utilizing a health checkup of divers and controls at a hospital in Jeju city, Korea. Female divers (n=61) were matched with non-diver controls (n=61) by age, weight and postmenopausal year. BMD of the proximal femur(femoral neck, trochanter and Ward's triangle) was assessed by dual-energy X-ray absorptiometry (DEXA).
RESULTS
The average diving duration of the female divers was 34+/-13 years. The BMD of the divers was higher than that of the controls in the femur neck and trochanter (p<0.05). On correlations analysis, the status of menopause, age, body weight and age at menarche were significantly correlated with proximal femur BMD in the divers (p<0.05). On multiple regression analysis, age and body weight were predictors of proximal femur BMD in the divers. On linear regression analysis of proximal femur BMD according to age in the divers and controls, regression coefficients of the divers were lower in all 3 areas of the proximal femur than the controls.
CONCLUSIONS
BMD of the divers was higher than that of the controls in the femur neck and trochanter. There was a tendency for BMD of the divers to decrease faster than that of the controls with increasing age.

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Original Article

Survey on the Prevalence of Carpal Tunnel Syndrome in Simple Repetitive Workers Who Use Upper Extremities: Ji Eun Son, Tae Woon Jang, Yoon Kou Kim, Young Seoub Hong, Kap Yeol Jung, Dong Ill Kim, Kang Jin Lee, Nam Jin Ha, Sang Boum Kim, Joon Youn Kim; Korean Journal of Occupational and Environmental Medicine 2001;13(3):209-219. Published online September 30, 2001; DOI: https://doi.org/10.35371/kjoem.2001.13.3.209

Abstract PDF

OBJECTIVES
This study was carried out to survey on the prevalence of Carpal Tunnel Syndrome(CTS) in high risk jobs(meat and fish processing plant and wood plant), by application of Nerve Conduction Study(NCS), a confirmatory diagnostic method.
METHODS
Experimental group was 69 workers sampled from meat and fish processing plants and 17 workers sampled from wood plants, who were simple, repetitive workers using upper extremities and control group was 28 workers sampled from managers, secretaries and keepers. All employees were examined through work history, physical examination and NCS.
RESULTS
18 workers(26.09%) in meat and fish processing plants, and 5 workers(29.41%) in wood plants had compatible findings to NIOSH diagnostic criteria for CTS. The experimental group had more symptoms(complaint of upper extremities, Visual Analogue Scale >or= 4(VAS: total 10 point)), signs(Tinel and Phalen test) and prevalence of CTS than control group ( p<0.05). The prevalence of symptoms and signs were higher in short term worke r s (<7 years), but the prevalence of CTS was higher in long term workers(>or=7 years).
CONCLUSIONS
The prevalence of CTS in meat and fish processing plant and wood plant were 26.09% and 29.41% respectively. Authors propose that meat and fish processing and wood plants should be managed as a risk job category which were designated by OSHA in 1996

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Ho-Yeon Jung, Min Sik Kong, Seung Hun Lee, Chang Han Lee, Min-Kyun Oh, Eun Shin Lee, Heesuk Shin, Chul Ho Yoon
Annals of Rehabilitation Medicine.2016; 40(5): 902. CrossRef
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Hak Young Rhee, Jae Hwan Cho, Jong Min Seok, Taek Sang Cho, Woo Jin Jeon, Jin Gu Lee, Sung Kyu Kim
Archives of Environmental & Occupational Health.2015; 70(4): 177. CrossRef

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