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Annals of Occupational and Environmental Medicine

Prem Bhattarai, Bishnu H Paudel, Dilip Thakur, Balkrishna Bhattarai, Bijay Subedi, Rita Khadka
Background: Despite the successful adaptation to high altitude, some differences do occur due to long term exposure to the hypoxic environment. The effect of long term high altitude exposure on cardiac autonomic adjustment during basal and post-exercise recovery is less known. Thus we aimed to study the differences in basal cardiac autonomic adjustment and its response to exercise in highlanders and to compare it with lowlanders. Methods: The study was conducted on 29 healthy highlander males who were born and brought up at altitude of 3000 m and above from the sea level, their cardiac autonomic adjustment was compared with age, sex, physical activity and ethnicity-matched 29 healthy lowlanders using Heart Rate Variability (HRV) during rest and recovery from sub-maximal exercise (3 m step test)...
2018: Annals of Occupational and Environmental Medicine
Jin-Ha Yoon, Woo Seok Kwak, Yeon-Soon Ahn
We reviewed articles to clarify the current evidence status for 1) types of cancer which related to benzene exposure, and 2) certain benzene exposure level which might cause the hematopoietic cancers. Hematopoietic function of the bone marrow is involved in the production of all blood cells types. The benzene metabolites including benzoquinone and mucoaldehyde affect hematopoietic stem cells as well as differentiation steps of progenitor cells for each blood cell. Hence, we concluded that benzene was associated with all lymphohematic carcinogenesis...
2018: Annals of Occupational and Environmental Medicine
Ji-Hoo Yook, Dong-Wook Lee, Min-Seok Kim, Yun-Chul Hong
Background: Bus drivers are known to be highly at risk of cardiovascular diseases. In this study, we assessed the cardiovascular disease prevalence of bus company employees in Seoul, South Korea, and compared the results to those of general workers. Methods: We analyzed the 2014 Korean National Health Insurance (NHI) data and defined hypertension, diabetes, dyslipidemia, ischemic heart disease, and cerebrovascular disease based on the KCD-6 medical diagnoses. We used bus company employees as surrogate participants of bus drivers due to the characteristics of Korean NHI data...
2018: Annals of Occupational and Environmental Medicine
Min-Seok Kim, Taeshik Kim, Dongwook Lee, Ji-Hoo Yook, Yun-Chul Hong, Seung-Yup Lee, Jin-Ha Yoon, Mo-Yeol Kang
Background: Numerous studies have shown that healthcare professionals are exposed to psychological distress. However, since most of these studies assessed psychological distress using self-reporting questionnaires, the magnitude of the problem is largely unknown. We evaluated the risks of mood disorders, anxiety disorders, sleep disorders, and any psychiatric disorders in workers in healthcare industry using Korea National Health Insurance (NHI) claims data from 2014, which are based on actual diagnoses instead of self-evaluation...
2018: Annals of Occupational and Environmental Medicine
Minsu Ock, Eun Young Choi, Inbo Oh, Seok Hyeon Yun, Yoo-Keun Kim, Hyunsu Kim, Min-Woo Jo, Jiho Lee
[This corrects the article DOI: 10.1186/s40557-018-0214-3.].
2018: Annals of Occupational and Environmental Medicine
Hadi Asady, Mehdi Yaseri, Mostafa Hosseini, Morvarid Zarif-Yeganeh, Mahmoud Yousefifard, Mahin Haghshenas, Parisa Hajizadeh-Moghadam
Background: Occupational accidents are of most important consequences of globalization in developing countries. Therefore, investigating the causes of occupational accidents for improving the job situation and making operational policy is necessary. So the aim of this study was to investigate factors affecting the fatal occupational accidents and also calculate the years of life lost for dead workers. Methods: This cross-sectional study was conducted on data related to the 6052 injured workers that was registered in the 2013 registry system of the Ministry of Health and Medical Education of Iran...
2018: Annals of Occupational and Environmental Medicine
Han-Seur Jeong, Byung-Seong Suh, Soo-Geun Kim, Won-Sool Kim, Won-Cheol Lee, Kyung-Hun Son, Min-Woo Nam
Background: Previous studies have classified cameramen's job as physiologically heavy work and identified the risk factors of work-related musculoskeletal disorders (WRMDs) in cameramen. However, those studies limited their research subjects to cameramen. In this study, we compared the frequency and severity of WRMDs between cameramen and office workers. Methods: A total of 293 subjects working in four broadcasting companies in Korea were recruited. A questionnaire survey was conducted for a month, starting in October 2016...
2018: Annals of Occupational and Environmental Medicine
Sangyun Seo, Jungwon Kim
Background: Organic solvent-induced chronic toxic encephalopathy (CTE) is known as a non-progressive disorder that does not progress after diagnosis. The authors present a case those symptoms worsened after continued exposure to organic solvent after returning to work. Because such a case has not been reported in South Korea to the best of our knowledge, we intend to report this case along with literature review. Case presentation: A 59-year-old man, who performed painting job at a large shipyard for 20 years, was receiving hospital treatment mainly for depression...
2018: Annals of Occupational and Environmental Medicine
Jaechul Song, Kuck-Hyun Woo, YangHo Kim
[This corrects the article DOI: 10.1186/s40557-018-0223-2.].
2018: Annals of Occupational and Environmental Medicine
Hanul Park, Kang-Sook Lee, Yong-Jun Park, Dong-Joon Lee, Hyun-Kyung Lee
Background: Many studies show that organizational justice (OJ) is related to psychological determinants of employee health. To prevent health problems related to OJ in Korean workplaces and to accurately measure OJ, we developed the Korean version of the Organizational Justice Questionnaire (K-OJQ) and assessed its validity and reliability. Methods: A questionnaire draft of the K-OJQ was developed using back-translation methods, which was preliminary tested by 32 employees in Korea...
2018: Annals of Occupational and Environmental Medicine
Seyoung Kim, Jin-Soo Park, Minkyu Park, Yeji Kim, Sinye Lim, Hye-Eun Lee
Background: This study aimed to analyze environmental tobacco smoking exposure in female nonsmokers by public transportation mode using representative data of Koreans. Methods: Data from the Second Korean National Environmental Health Survey (2012-2014) were analyzed. Urine cotinine was analyzed by public transport behavior, secondhand smoke exposure, socioeconomic factors, and health-related factors. Participants were 1322 adult females; those with the top 75% urine cotinine concentrations were assigned to the high exposure group...
2018: Annals of Occupational and Environmental Medicine
Hyung-Gue Park, Na-Young Ha, Dae Hwan Kim, Jeong-Ho Kim, Chae-Kwan Lee, Kunhyung Kim, Ji Young Ryu
Background: Polycyclic aromatic hydrocarbons (PAHs) produced by incomplete combustion have negative effects on human health due to their carcinogenicity and teratogenicity. Indoor sources of PAHs include tobacco smoke, heating sources, and cooking. This study evaluated the relationship between human PAH exposure and residence characteristics. Method: This study was based on the second Korean National Environmental Health Survey (2012-2014). Non-smoking housewives were included in the analyses ( n  = 1269)...
2018: Annals of Occupational and Environmental Medicine
Gu Hyeok Kang, Jun Young Uhm, Young Gon Choi, Eun Kye Kang, Soo Young Kim, Won Oh Choo, Seong Sil Chang
Background: Lead and cadmium have been identified as risk factors for hearing loss in animal studies, but large-scale studies targeting the general human population are rare. This study was conducted to investigate the link between heavy metal concentrations in blood and hearing impairment, using a national population-based survey. Methods: The study participants comprised 6409 Koreans aged 20 or older, who were included in the Fifth and Sixth Korea National Health and Nutrition Examination Surveys (KNHANES 2010-2013)...
2018: Annals of Occupational and Environmental Medicine
Bong-Kyu Kim, Jung-Min Kim, Myoung-Hee Kim, Do-Myung Paek, Seung-Sik Hwang, Mi-Na Ha, Young-Su Ju
Background: The Korea Radiation Effect & Epidemiology Cohort - The resident cohort (KREEC-R) study concluded that there is no epidemiological or causal evidence supporting any increase in cancer risks resulting from radiation from Korean nuclear power plants (NPPs). But the risks of thyroid cancer in women were significantly higher in residents living near NPPs than control. Debate about the cause of the pattern of thyroid cancer incidence in women is ongoing and some researchers argue that detection bias influenced the result of KREEC-R study...
2018: Annals of Occupational and Environmental Medicine
Mu Young Shin, Jong Soo Park, Hae Dong Park, Jihye Lee
Background: Exposure to sustained high concentrations of HCFC-123 is known to be hepatotoxic. We report two simultaneous cases of toxic hepatitis related to exposure to 2,2-dichloro-1,1,1-trifluoroethane (HCFC-123), a common refrigerant, at a Korean fire extinguisher manufacturing facility. Case presentation: Patients A and B were men aged 21 and 22 years, respectively, with no notable medical histories. They had recently started working for a manufacturer of fire extinguishers...
2018: Annals of Occupational and Environmental Medicine
Chulin Baek, Jae Bum Park, Kyungjong Lee, Jaehyuk Jung
Background: On-call work is a form of work that requires the person to work at any time during the on-call period. Thus, on-call work is often regarded as one of the most severe stress factors. This study investigates the associations between on-call work and health problems, injuries. Methods: This study was based on the 3rd Korean Working Conditions Survey. Total of 29,246 employed workers who had been working for at least 1 year were included. Logistic regression analysis was performed to investigate the association between on-call work and health problems, injuries...
2018: Annals of Occupational and Environmental Medicine
Soon Woo Park, Young Joong Kang, Huisu Eom, Hyun-Jin Cho, Jungho Ahn, Sang-Gil Lee
Background: The olfactory bulb is anatomically exposed and thus can be directly damaged by external stimulation. This can occur as an occupational injury owing to contact with organic solvents or other causes. We present cases of eight patients who sustained occupation-related exposure to potentially toxic substances and later presented with signs and symptoms of anosmia. We examined the occupational and medical characteristics of the patients and evaluated their work-relatedness. Case presentation: Case 1: A 50-year-old man performed high-frequency heat treatments for approximately 11 years...
2018: Annals of Occupational and Environmental Medicine
Guang Hwi Kim, Hee Sung Lee, Sung Won Jung, Jae Gwang Lee, June Hee Lee, Kyung Jae Lee, Joo Ja Kim
Background: In modern society, the scale of the service industry is continuously expanding, and the number of service workers is increasing. Correspondingly, physical and mental problems related to emotional labor are becoming a major social problem. In this study, we investigated the relationship between emotional labor, workplace violence, and depressive symptoms in female bank employees, which is a typical service industry. Methods: In this study, the Korean Emotional Labor Scale (K-ELS) and Korean Workplace Violence Scale (K-WVS) were distributed to 381 female workers in their 20s at a bank in Seoul, Korea...
2018: Annals of Occupational and Environmental Medicine
Anne Lovise Nordstoga, Paul Jarle Mork, Marius Steiro Fimland
Background: Various occupational inpatient rehabilitation programs are established in Norway. This study aimed to assess change in cardiorespiratory fitness, pain, anxiety, depression, and quality of life in persons on long-term sick leave due to musculoskeletal-, mental or unspecific disorders after participation in multicomponent inpatient occupational rehabilitation. Methods: Twenty-five women and five men (mean age 45.2 years, SD 6.7, range 30-57) volunteered to participate in the study...
2018: Annals of Occupational and Environmental Medicine
B Schram, B Hinton, R Orr, R Pope, G Norris
Background: The nature of police work often necessitates use of Individual Light Armour Vests (ILAVs) for officer protection. Previous research has demonstrated various biomechanical and physical performance impacts of ILAVs, however, little knowledge exists on the individual officer's perceptions of ILAV. The aim of this study was to investigate officers' perceptions of the impacts of three different ILAVs and normal station wear whilst performing police occupational tasks. Methods: A prospective, within subjects, repeated measures design was employed in which 11 serving police officers wore each of three different types of body armour (ILAV A, ILAV B or ILAV C) and normal station wear for a full day while performing tasks including a simulated victim drag, a patrol vehicle exit and a marksmanship shoot...
2018: Annals of Occupational and Environmental Medicine
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