Annals of Occupational and Environmental Medicine

Case Report

The work-relatedness at a case of acute lymphoblastic leukemia in a radiation oncologist: Bong Hyun Kim, Young-Jun Kwon, Young-Su Ju, Bong Kyu Kim, Hyun Seok Lee, Sang-gil Lee, Yun Kyung Chung; Ann Occup Environ Med 2017;29:28. Published online June 27, 2017; DOI: https://doi.org/10.1186/s40557-017-0186-8

Abstract PDF PubReader ePub: Background
Clinicians who perform radiation therapy (RT) are exposed to radiation, which may negatively affect their health. The present study reports a case of acute lymphoblastic leukemia in a healthcare provider who was exposed to radiation at work; we also present a literature review of this topic.
Case presentation
A 45-year-old patient, who had been a radiation oncologist and had been exposed to radiation while performing brachytherapy 10 years ago, complained of chest pain and was suspected of having leukemia based on the results of a blood test in an outpatient clinic. He was diagnosed with acute lymphoblastic leukemia, and subsequently underwent chemotherapy. However, the case died during treatment. Through epidemiological investigation, it was found that the case’s cumulative exposure dose based on personal exposure and spatial dose measured during the work period was in the range of 6.08–12.15 mSv.
Conclusions
Based on the following considerations, acute lymphoblastic leukemia was highly correlated with the level of radiation to which the case was exposed while performing brachytherapy on patients with cancer. Firstly, the latent period of acute lymphoblastic leukemia in the case closely matched the latency time reported in previous published studies (5–10 years). In addition, numerous studies have reported significantly higher relative risks of cancer among clinicians who perform RT compared with the general population. The case was also atypically exposed to radiation through his hands, despite wearing protective equipment. Lastly, the case’s coworkers were also found to have been exposed to high levels of radiation. Investigation into the influence of radiation exposure through atypical routes during RT on the health of clinicians is recommended.

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Research Article

Comparison of facet joint degeneration in firefighters and hospital office workers: Dong Hyun Kim, Yon Soo An, Hyung Doo Kim, Kyoung Sook Jeong, Yeon-Soon Ahn, Kun-Hyung Kim, Youngki Kim, Han-Soo Song, Chul-Gab Lee, Young-Jun Kwon, Jin-Ha Yoon; Ann Occup Environ Med 2017;29:24. Published online June 24, 2017; DOI: https://doi.org/10.1186/s40557-017-0180-1

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Background

There are few published studies on the relationship between occupational lumbar load and facet joint degeneration (FJD). This cross-sectional study was conducted to evaluate the effect of physical lumbar load on FJD by comparing magnetic resonance imaging (MRI) findings of firefighters (FFs) and hospital office workers (HOWs).

Methods

We randomly sampled 341 male FFs and 80 male HOWs by age stratification. A questionnaire and clinical examination, including MRI of the lumbar spine (T12-S1), were conducted. FJD was diagnosed and graded by using the classification of Pathria et al., and reclassified into two groups as follows: no FJD (grade 0) and FJD (grades 1, 2, and 3). The prevalence of FJD was analyzed according to occupational group.

Results

The prevalence of FJD ranged from 31% (L1–L2) to 75% (L4–L5) in the FFs, and from 18% (L1–L2) to 69% (L4–L5) in the HOWs. After adjustment for age, body mass index, and frequency of physical exercise, the adjusted odds ratios (OR) for FJD in the FFs were significantly higher than those in the HOWs at all lumbar spinal levels, except for L3–L4 (L1–L2: OR, 2.644; 95% confidence interval [CI], 1.317–5.310; L2–L3: OR, 2.285; 95% CI, 1.304–4.006; L4–L5: OR, 1.918; 95% CI, 1.037–3.544; L5–S1: OR, 1.811; 95% CI, 1.031–3.181).

Conclusion

This study shows that FFs exhibit a greater likelihood of having FJD than HOWs after controlling for other risk factors of FJD. This suggests that the physical occupational demands of FFs affect their risk of developing FJD.

Citations

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Non-cancer health risks in firefighters: a systematic review
Jeong Ah Kim, Soo Yeon Song, Wonjeong Jeong, Jae Kwan Jun
Epidemiology and Health.2022; 44: e2022109. CrossRef
Including exercise prescription in the management of non‐specific low back pain
Hamish Osborne, Peter Burt
Emergency Medicine Australasia.2022; 34(5): 833. CrossRef
An overview of compensated work-related injuries among Korean firefighters from 2010 to 2015
Hyung Doo Kim, Yon Soo An, Dong Hyun Kim, Kyung Sook Jeong, Yeon Soon Ahn
Annals of Occupational and Environmental Medicine.2018;[Epub] CrossRef

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Research Article

The effect of aircraft noise on sleep disturbance among the residents near a civilian airport: a cross-sectional study: Kyeong Min Kwak, Young-Su Ju, Young-Jun Kwon, Yun Kyung Chung, Bong Kyu Kim, Hyunjoo Kim, Kanwoo Youn; Ann Occup Environ Med 2016;28:38. Published online September 2, 2016; DOI: https://doi.org/10.1186/s40557-016-0123-2

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Background

Aircraft noise is a major environmental noise problem. This study was conducted in order to investigate the relationship between sleep disturbance and exposure to aircraft noise on the residents who are living near an airport.

Methods

There were 3308 residents (1403 in the high exposure group, 1428 in the low exposure group, and 477 in the non-exposure group) selected as the subjects for this study. The Insomnia severity Index (ISI) and Epworth Sleepiness Scale (ESS) questionnaires were used to evaluate sleep disturbance.

Results

The mean ISI and ESS scores were 6.9 ± 6.4 and 5.5 ± 3.7, respectively, and the average scores were significantly greater in the aircraft noise exposure group, as compared to the non-exposure group. The percentage of the abnormal subjects, which were classified according to the results of the ISI and ESS, was also significantly greater in the noise exposure group, as compared to the control group. The odd ratios for insomnia and daytime hypersomnia were approximately 3 times higher in the noise exposure group, as compared to the control group.

Conclusions

The prevalence of insomnia and daytime hypersomnia was higher in the aircraft noise exposure group, as compared to the control group. Further study is deemed necessary in order to clarify the causal relationship.

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International Journal of Environmental Research and Public Health.2023; 20(6): 4903. CrossRef
Characterizing temporal trends in populations exposed to aircraft noise around U.S. airports: 1995–2015
Daniel D. Nguyen, Jonathan I. Levy, Chanmin Kim, Kevin J. Lane, Matthew C. Simon, Jaime E. Hart, Eric A. Whitsel, Trang VoPham, Andrew Malwitz, Junenette L. Peters
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Michael G. Smith, Makayla Cordoza, Mathias Basner
Environmental Health Perspectives.2022;[Epub] CrossRef
Aircraft noise and vehicle traffic-related air pollution interact to affect preterm birth risk in Los Angeles, California
Sam E. Wing, Timothy V. Larson, Neelakshi Hudda, Sarunporn Boonyarattaphan, Irish Del Rosario, Scott Fruin, Beate Ritz
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Soo Hee Oh, Kyoungwon Lee
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Irene van Kamp, Sendrick Simon, Hilary Notley, Christos Baliatsas, Elise van Kempen
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Qi Meng, Jingwen Zhang, Jian Kang, Yue Wu
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Association between Shift Work and Neurocognitive Function among Firefighters in South Korea: A Prospective before–after Study
Kyeongmin Kwak, Bong-Kyu Kim, Tae-Won Jang, Chang Sun Sim, Yeon-Soon Ahn, Kyeong-Sook Choi, Kyoung Sook Jeong
International Journal of Environmental Research and Public Health.2020; 17(13): 4647. CrossRef
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Laís Fajersztajn, Mariana Tavares Guimarães, Etienne Duim, Tarsila Guimarães Vieira da Silva, Mirna Namie Okamura, Suzan Lúcia Brancher Brandão, Ana Elisa Ribeiro, Ludmila Macêdo Naud, Shane O'Sullivan, Paulo Hilário Nascimento Saldiva, Maria Regina Alves
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Raimi Morufu Olalekan, Ihuoma Blossom ADINDU
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Paolo Gagliardi, Luca Teti, Gaetano Licitra
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Sleep Medicine Research.2016; 7(2): 78. CrossRef

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Case Report

Carbon monoxide poisoning-induced cardiomyopathy from charcoal at a barbecue restaurant: a case report: Hyun-Jun Kim, Yun Kyung Chung, Kyeong Min Kwak, Se-Jin Ahn, Yong-Hyun Kim, Young-Su Ju, Young-Jun Kwon, Eun-A Kim; Ann Occup Environ Med 2015;27:13. Published online April 28, 2015; DOI: https://doi.org/10.1186/s40557-015-0063-2

Abstract PDF PubReader ePub

Objective

Acute carbon monoxide poisoning has important clinical value because it can cause severe adverse cardiovascular effects and sudden death. Acute carbon monoxide poisoning due to charcoal is well reported worldwide, and increased use of charcoal in the restaurant industry raises concern for an increase in occupational health problems. We present a case of carbon monoxide poisoning induced cardiomyopathy in a 47-year-old restaurant worker.

Materials and methods

A male patient was brought to the emergency department to syncope and complained of left chest pain. Cardiac angiography and electrocardiography were performed to rule out acute ischemic heart disease, and cardiac markers were checked. After relief of the symptoms and stabilization of the cardiac markers, the patient was discharged without any complications.

Results

Electrocardiography was normal, but cardiac angiography showed up to a 40% midsegmental stenosis of the right coronary artery with thrombotic plaque. The level of cardiac markers was elevated at least 5 to 10 times higher than the normal value, and the carboxyhemoglobin concentration was 35% measured at one hour after syncope. Following the diagnosis of acute carbon monoxide poisoning induced cardiomyopathy, the patient’s medical history and work exposure history were examined. He was found to have been exposed to burning charcoal constantly during his work hours.

Conclusions

Severe exposure to carbon monoxide was evident in the patient because of high carboxyhemoglobin concentration and highly elevated cardiac enzymes. We concluded that this exposure led to subsequent cardiac injury. He was diagnosed with acute carbon monoxide poisoning-induced cardiomyopathy due to an unsafe working environment. According to the results, the risk of exposure to noxious chemicals such as carbon monoxide by workers in the food service industry is potentially high, and workers in this sector should be educated and monitored by the occupational health service to prevent adverse effects.

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International Wood Products Journal.2022; 13(4): 211. CrossRef
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Mehdi Jahangiri, Fahimeh Eskandari, Narges Karimi, Soheil Hasanipour, Mahnaz Shakerian, Asma Zare
Annals of Global Health.2019;[Epub] CrossRef
Epidemiological Study of Carbon Monoxide Deaths in Scotland 2007–2016,
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Network Analysis of Fine Particulate Matter (PM2.5) Emissions in China
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Life Sciences.2016; 148: 118. CrossRef

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Research Article

The effect of organisational system on self-rated depression in a panel of male municipal firefighters: Se-Jin An, Yun Kyung Chung, Bong Hyun Kim, Kyeong Min Kwak, Jun-Seok Son, Jung-wan Koo, Young-Su Ju, Young-Jun Kwon; Ann Occup Environ Med 2015;27:1. Published online January 14, 2015; DOI: https://doi.org/10.1186/s40557-014-0044-x

Abstract PDF PubReader ePub

Objectives

The present study evaluated the effects of job stress, including organisational system to self-rated depression through a panel study of male municipal firefighters in the Republic of Korea.

Methods

A panel of 186 municipal firefighters reported self-rated depressive symptoms according to the Beck Depression Inventory (BDI). The effects of job stress were evaluated using the Korea Occupational Stress Scale, taken one year earlier and classified by the median value. Panel members were classified into Depression or Control groups according to BDI scores, with a cut-off level of ‘over mild depression’ in a follow-up survey.

Results

The Depression group included 17 (9.1%) workers. Firefighters who scored high on occupational system had an 8.3 times greater risk of being assigned to the Depression group than those who had not (adjusted odds ratio [OR] = 8.03, 95% confidence interval (CI) = [1.73–37.22]). In contrast, job stress from a ‘difficult physical environment’ revealed negative risks related to being classified in the Depression group (AOR = 0.20, 95% CI = [0.04–0.92]).

Conclusions

Although the healthy worker effect may be involved, job stress based on perceptions of organisational system was a strong risk factor for depression. A comprehensive approach should be considered that encompasses social issues when assessing or mental health in high-risk groups, as well as the practical issue of physiochemical hazards.

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