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In-Sung Chung 5 Articles
Spatial analysis between particulate matter and emergency room visits for conjunctivitis and keratitis
Jung-Youb Lee, Jung-Won Kim, Eun-Jung Kim, Mi-Young Lee, Chang-Wook Nam, In-Sung Chung
Ann Occup Environ Med 2018;30:41.   Published online June 11, 2018
DOI: https://doi.org/10.1186/s40557-018-0252-x
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Background

The concentration of particulate matter in the air varies depending on the region because it is lightweight and generated from a variety of sources. To assess the relationship between particulate matter and eye disease, this study analyzes the concentration data obtained from spatial analysis of particulate matter and emergency visit data.

Methods

The study included 769 residents of Daegu, Korea who had visited an emergency room for the problem of conjunctivitis or keratitis. Concentrations of PM10 and other air pollutants were obtained from the Korean Ministry of the Environment. PM10 concentrations and the number of patients from each of 143 administrative dongs (sub-municipal level administrative units) of the city of Daegu were obtained using spatial analysis. The patient distribution and PM10 concentration were mapped for comparison, and their relationship was examined using scatter plot, regression analysis, and the independent sample t-test.

Results

The number of patients with conjunctivitis and keratitis was significantly higher in the regions of the top 20% areas than the bottom 20% areas in terms of PM10 concentration. The distribution of PM10 concentration and number of patients was visually similar on the map. The concentration of PM10 and the number of patients showed a dose–response relationship. When the concentrations of other air polluta9nts were controlled for, the numbers of conjunctivitis and keratitis patients were 0.04 per 1000 ER patients and 0.10 per 1000 ER patients, respectively.

Conclusion

As PM10 is associated with the prevalence of conjunctivitis and keratitis, measures to reduce particulate matter through environmental methods are needed.

Electronic supplementary material

The online version of this article (10.1186/s40557-018-0252-x) contains supplementary material, which is available to authorized users.


Citations

Citations to this article as recorded by  
  • Consequences of exposure to particulate matter on the ocular surface: Mechanistic insights from cellular mechanisms to epidemiological findings
    Phit Upaphong, Chanisa Thonusin, Ornpailin Wanichthanaolan, Nipon Chattipakorn, Siriporn C. Chattipakorn
    Environmental Pollution.2024; 345: 123488.     CrossRef
  • Mechanisms of PM10 Disruption of the Nrf2 Pathway in Cornea
    Mallika Somayajulu, Farooq S. Muhammed, Robert Wright, Sharon A. McClellan, Linda D. Hazlett
    International Journal of Molecular Sciences.2024; 25(7): 3754.     CrossRef
  • Impact of Airborne Exposure to PM10 Increases Susceptibility to P. aeruginosa Infection
    Sharon A. McClellan, Robert Wright, Farooq Muhammed, Linda D. Hazlett
    International Journal of Environmental Research and Public Health.2024; 21(6): 722.     CrossRef
  • Air Pollution and Meteorological Conditions Significantly Associated With Vernal Keratoconjunctivitis Exacerbations
    Eran Levanon, Ido Peles, Michal Gordon, Lena Novack, Erez Tsumi
    Investigative Opthalmology & Visual Science.2023; 64(10): 37.     CrossRef
  • Clinical Impact of Ambient Particulate Matters on Dry Eye Disease
    Chang Hwan Kim, Yong Woo Ji
    Annals of Optometry and Contact Lens.2023; 22(4): 125.     CrossRef
  • Airborne Exposure of the Cornea to PM10 Induces Oxidative Stress and Disrupts Nrf2 Mediated Anti-Oxidant Defenses
    Mallika Somayajulu, Sharon A. McClellan, Robert Wright, Ahalya Pitchaikannu, Bridget Croniger, Kezhong Zhang, Linda D. Hazlett
    International Journal of Molecular Sciences.2023; 24(4): 3911.     CrossRef
  • Toxic External Exposure Leading to Ocular Surface Injury
    Steven H. Rauchman, Brandon Locke, Jacqueline Albert, Joshua De Leon, Morgan R. Peltier, Allison B. Reiss
    Vision.2023; 7(2): 32.     CrossRef
  • PM10 and Pseudomonas aeruginosa: effects on corneal epithelium
    Mallika Somayajulu, Sharon A. McClellan, Farooq Muhammed, Robert Wright, Linda D. Hazlett
    Frontiers in Cellular and Infection Microbiology.2023;[Epub]     CrossRef
  • The effect of social determinants of health on severity of microbial keratitis presentation at a tertiary eye care hospital in Southern India
    Anvesh Annadanam, Patrice M Hicks, Ming-Chen Lu, Mercy Pawar, Prabhleen Kochar, Suvitha Selvaraj, Dhanya Kuppuraj, Chetan Rathod, Rekha Sravya Muppala, Smriti Gaur, Abinaya Krishnan, SR Sumithra, Maria A Woodward, N Venkatesh Prajna
    Indian Journal of Ophthalmology.2023; 71(6): 2448.     CrossRef
  • Impacts of Climate Change on Ocular Health: A Scoping Review
    Yee Ling Wong, Shiao Wei Wong, Darren S.J. Ting, Alankrita Muralidhar, Sagnik Sen, Olivia Schaff, Hannah Istre-Wilz, Barbara Erny
    The Journal of Climate Change and Health.2023; : 100296.     CrossRef
  • Association between air pollution and emergency room visits for eye diseases and effect modification by temperature in Beijing, China
    Wanzhou Wang, Wenlou Zhang, Hongxia Ge, Baiqi Chen, Jingjing Zhao, Jun Wu, Zefeng Kang, Xinbiao Guo, Furong Deng, Qingbian Ma
    Environmental Science and Pollution Research.2022; 29(15): 22613.     CrossRef
  • Correlation between Exposure to Fine Particulate Matter (PM2.5) during Pregnancy and Congenital Anomalies: Its Surgical Perspectives
    Eun-jung Koo, Jin-Gon Bae, Eun Jung Kim, Yong-Hoon Cho
    Journal of Korean Medical Science.2021;[Epub]     CrossRef
  • The burden of acute conjunctivitis attributable to ambient particulate matter pollution in Singapore and its exacerbation during South-East Asian haze episodes
    Joel Aik, Rae Chua, Natasha Jamali, Elaine Chee
    Science of The Total Environment.2020; 740: 140129.     CrossRef
  • Epidemiological aspects of allergic conjunctivitis
    Dai Miyazaki, Kazumi Fukagawa, Shigeki Okamoto, Atsuki Fukushima, Eiichi Uchio, Nobuyuki Ebihara, Jun Shoji, Kenichi Namba, Yumiko Shimizu
    Allergology International.2020; 69(4): 487.     CrossRef
  • Dry eye symptoms in offices and deteriorated work performance – A perspective
    Peder Wolkoff
    Building and Environment.2020; 172: 106704.     CrossRef
  • Airborne Particulates Affect Corneal Homeostasis and Immunity
    Mallika Somayajulu, Sandamali Ekanayaka, Sharon A. McClellan, Denise Bessert, Ahalya Pitchaikannu, Kezhong Zhang, Linda D. Hazlett
    Investigative Opthalmology & Visual Science.2020; 61(4): 23.     CrossRef
  • Air pollution significantly associated with severe ocular allergic inflammatory diseases
    Dai Miyazaki, Kazumi Fukagawa, Atsuki Fukushima, Hiroshi Fujishima, Eiichi Uchio, Nobuyuki Ebihara, Jun Shoji, Etsuko Takamura, Kenichi Namba, Yuichi Ohashi, Shigeki Okamoto, Yoshiyuki Satake, Hiroshi Ohtsu, Yumiko Shimizu, Yoshitsugu Inoue
    Scientific Reports.2019;[Epub]     CrossRef
  • Global Associations of Air Pollution and Conjunctivitis Diseases: A Systematic Review and Meta-Analysis
    Renchao Chen, Jun Yang, Chunlin Zhang, Bixia Li, Stéphanie Bergmann, Fangfang Zeng, Hao Wang, Boguang Wang
    International Journal of Environmental Research and Public Health.2019; 16(19): 3652.     CrossRef
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Factors related to heart rate variability among firefighters
Jae-Hong Shin, Jung-Youb Lee, Seon-Hee Yang, Mi-Young Lee, In-Sung Chung
Ann Occup Environ Med 2016;28:25.   Published online June 13, 2016
DOI: https://doi.org/10.1186/s40557-016-0111-6
AbstractAbstract PDFPubReaderePub
Objectives

The aim of this study was to investigate factors associated with heart rate variability in firefighters working in a metropolitan city in South Korea.

Methods

Self-administered questionnaires including Korean Occupational Stress Scale (KOSS) as well as surveys collecting socio-demographic characteristics and work-related factors were given to 962 firefighters. After exclusion for missing data, 645 firefighters were included, and analysis of covaiance adjusted for the general risk factors and job characteristics were used to assess the relationship between heart rate variability and associated factors.

Results

SDNN and RMSSD and were decreased in the area of occupational climate of the group with high job stress (p = 0.027, p = 0.036). HF(ln) was decreased in the area of organizational system and occupational climate of the group with high stress that statistically significant level (p = 0.034, p = 0.043).

Conclusions

Occupational climate and organizational system are associated with reduction of heart rate variability. Preventive medical care plans for cardiovascular disease of firefighters through the analysis and evaluation of job stress factors are needed.


Citations

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  • The Influence of Emergency Call Volume on Occupational Workload and Sleep Quality in Urban Firefighters
    Jacob D. Jelmini, Phillip A. Gribble, Mark G. Abel, Lauren N. Whitehurst, Nicholas R. Heebner
    Journal of Occupational & Environmental Medicine.2024; 66(7): 580.     CrossRef
  • On-Duty Resting Heart Rate Variability at the Fire Station Is Related to Cardiorespiratory Fitness and Physical Activity Levels in Firefighters
    Philémon Marcel-Millet, Philippe Gendron
    Journal of Occupational & Environmental Medicine.2024; 66(3): e111.     CrossRef
  • Evaluation of the relationship between occupational-specific task performance and measures of physical fitness, cardiovascular and musculoskeletal health in firefighters
    Jaron Ras, Elpidoforos S. Soteriades, Denise L. Smith, Andre P. Kengne, Lloyd Leach
    BMC Public Health.2024;[Epub]     CrossRef
  • The effect of extended shift work on autonomic function in occupational settings: A systematic review and meta-analysis
    Jacob D Jelmini, Jeremy Ross, Lauren N Whitehurst, Nicholas R Heebner
    Journal of Occupational Health.2023;[Epub]     CrossRef
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    Colin D. Tomes, Elisa F. D. Canetti, Ben Schram, Robin Orr
    Healthcare.2023; 11(19): 2677.     CrossRef
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    Jaron Ras, Andre Pascal Kengne, Denise Smith, Elpidoforos Soterakis Soteriades, Lloyd Leach
    BMJ Open.2022; 12(7): e061435.     CrossRef
  • Effects of Cardiovascular Disease Risk Factors, Musculoskeletal Health, and Physical Fitness on Occupational Performance in Firefighters—A Systematic Review and Meta-Analysis
    Jaron Ras, Andre P. Kengne, Denise L. Smith, Elpidoforos S. Soteriades, Rucia V. November, Lloyd Leach
    International Journal of Environmental Research and Public Health.2022; 19(19): 11946.     CrossRef
  • Cardiovascular Disease Risk Factors, Musculoskeletal Health, Physical Fitness, and Occupational Performance in Firefighters: A Narrative Review
    Jaron Ras, Denise L. Smith, Andre P. Kengne, Elpidoforos E. Soteriades, Lloyd Leach, Ike S. Okosun
    Journal of Environmental and Public Health.2022;[Epub]     CrossRef
  • Acute Physiological Response of Live-Fire Simulation Activities Affecting Cardiovascular Health in Live-Fire Instructors
    Gwan-Jin Park, So Yeon Kong, Dong-Min Shin, Dae In Lee, Beom-Seok Ku, Je-Hwan Oh, Sang-Chul Kim
    Journal of Occupational & Environmental Medicine.2022; 64(1): 46.     CrossRef
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    Philémon Marcel-Millet, Alain Groslambert, Philippe Gimenez, Sidney Grosprêtre, Gilles Ravier
    Applied Ergonomics.2021; 95: 103457.     CrossRef
  • Health outcomes of psychosocial stress within firefighters: A systematic review of the research landscape
    Somkene Igboanugo, Philip L Bigelow, John G Mielke
    Journal of Occupational Health.2021;[Epub]     CrossRef
  • Field Monitoring the Effects of Overnight Shift Work on Specialist Tactical Police Training with Heart Rate Variability Analysis
    Colin Tomes, Ben Schram, Robin Orr
    Sustainability.2021; 13(14): 7895.     CrossRef
  • Combined effect of surface anomalies and volumetric defects on fatigue assessment of AlSi7Mg fabricated via laser powder bed fusion
    Milad Hamidi Nasab, Simone Romano, Dario Gastaldi, Stefano Beretta, Maurizio Vedani
    Additive Manufacturing.2020; 34: 100918.     CrossRef
  • Obesity prevalence in Brazilian firefighters and the association of central obesity with personal, occupational and cardiovascular risk factors: a cross-sectional study
    Fernanda Camargo Damacena, Thatiany Jardim Batista, Lorena Rocha Ayres, Eliana Zandonade, Karla Nívea Sampaio
    BMJ Open.2020; 10(3): e032933.     CrossRef
  • Effects on Firefighters’ Nocturnal Cardiac Autonomic Activity and Sleep Quality of On-Call Nights With and Without Simulated Firefighting Interventions
    Philémon Marcel-Millet, Alain Groslambert, Gilles Ravier
    Journal of Occupational & Environmental Medicine.2020; 62(11): e644.     CrossRef
  • Relationships Between Heart Rate Variability, Occupational Performance, and Fitness for Tactical Personnel: A Systematic Review
    Colin Tomes, Ben Schram, Robin Orr
    Frontiers in Public Health.2020;[Epub]     CrossRef
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Minnesota multiphasic personality inventory as related factor for post traumatic stress disorder symptoms according to job stress level in experienced firefighters: 5–year study
In-Sung Chung, Mi-Young Lee, Sung-Won Jung, Chang-Wook Nam
Ann Occup Environ Med 2015;27:16.   Published online June 5, 2015
DOI: https://doi.org/10.1186/s40557-015-0067-y
AbstractAbstract PDFPubReaderePub
Objectives

As first responders to an increasing number of natural and manmade disasters, active-duty firefighters are at increased risk for physical and psychiatric impairment as reflected by high rates of posttraumatic stress disorder (PTSD). Because little is known about related factor with PTSD according to job stress level among firefighters, we assessed utility of the Minnesota Multiphasic Personality Inventory (MMPI) using 5-year medical surveillance.

Methods

Data were analyzed from 185 male firefighters without psychiatric disease history and who at assessments in 2006 and 2011 completed all questionnaires on personal behaviors (including exercise, drinking and smoking habits) and job history (including job duration and department). MMPI, Events Scale-Revised-Korean version (IES-R-K) and Korean Occupational Stress Scale-Short Form (KOSS-SF) were used to screen for personality trait, PTSD symptom presence and job stress level, respectively. IES-R-K subgroups were compared using two-sample t- and χ2 tests, and factors influencing IES-R-K according to KOSS-SF were determined using uni- and multivariate logistic regression.

Results

Mean age and job duration were higher in PTSD-positive than negative groups. In multivariate analysis, increased PTSD risk was associated with: job duration (Odds ratio (OR) = 1.064, 95 % CI 1.012–1.118) for firefighters overall; masculinity-femininity (OR = 5.304, 95 % CI 1.191–23.624) and job duration (OR = 1.126, 95 % CI 1.003–1.265) for lower job stress level; and social introversion (OR = 3.727, 95 % CI 1.096–12.673) for higher job stress level.

Conclusions

MMPI relates with PTSD according to job stress level among experienced firefighters. Masculinity-femininity and social introversion were the strongest related factor for PTSD symptom development in low and high job stress levels, respectively.


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    International Journal of Environmental Research and Public Health.2022; 19(9): 4986.     CrossRef
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    Ukrainian Journal of Occupational Health.2021; 2021(4): 225.     CrossRef
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    Tomasz Daniel Jakubowski, Magdalena Maja Sitko-Dominik, Stephan Doering
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  • Regional Gray Matter Volume Related to High Occupational Stress in Firefighters
    Deokjong Lee, Woojin Kim, Jung Eun Lee, Junghan Lee, Seung-Koo Lee, Sei-Jin Chang, Da Yee Jeung, Dae-Sung Hyun, Hye-Yoon Ryu, Changsoo Kim, Young-Chul Jung
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    Jung, Heeja, Jeong Sun Young, 김지영
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Factors Related to Sleep Disorders among Male Firefighters
Dong-Kyun Lim, Ki-Ook Baek, In-Sung Chung, Mi-Young Lee
Ann Occup Environ Med 2014;26:11-11.   Published online May 22, 2014
DOI: https://doi.org/10.1186/2052-4374-26-11
AbstractAbstract PDFPubReaderePub
Objectives

The aim of this study was to investigate factors associated with sleep disorders in male firefighters working in a metropolitan city in South Korea.

Methods

Self-administered questionnaires including the Nordic Musculoskeletal Questionnaire, Korean Occupational Stress Scale-Short Form, Psychosocial Well-Being Index-Short Form, Pittsburg Sleep Quality Index, and Beck-Depression Inventory-2 as well as surveys collecting socio-demographic characteristics and work-related factors were given to 730 male firefighters. After exclusion for missing data, 657 male firefighters were included, and logistic regression analysis adjusted for the work-related factors, psychosocial factors, and general risk factors were used to assess the relationship between sleep disorders and associated factors.

Results

The prevalence of sleep disorders was 48.7%. Shift work (adjusted OR 1.58, 95% CI = 1.02-2.45), musculoskeletal symptoms (adjusted OR 2.89, 95% CI = 2.02-4.14), and depression (adjusted OR 7.04 95% CI = 4.03-12.30) were associated with sleep disorders.

Conclusions

Musculoskeletal symptoms, shift work, and depression are associated with sleep disorders. Integrated health management is needed to promote good sleep quality among firefighters.


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Pulmonary function decline in firefighters and non-firefighters in South Korea
Ju-Hwan Choi, Jae-Hong Shin, Mi-Young Lee, In-Sung Chung
Ann Occup Environ Med 2014;26:9-9.   Published online April 25, 2014
DOI: https://doi.org/10.1186/2052-4374-26-9
AbstractAbstract PDFPubReaderePub
Objectives

The purpose of this study was to evaluate and compare changes to pulmonary function among firefighters and non-firefighters who were exposed to harmful substances in their work environments.

Methods

Firefighters (n = 322) and non-firefighters (n = 107) in Daegu who received a pulmonary function test in 2008 and 2011 as well as a regular health examination were included. Repeated measures ANOVA was performed to evaluate the pulmonary function of the two groups over the three-year period.

Results

After adjusting for age, height, body mass index, duration of exposure, physical activity, and smoking, which were statistically different between the two groups and known risk factors of pulmonary function, the forced expiratory volume in one s FEV1, forced vital capacity FVC, and FEV1/FVC% over the 3 year period were significantly lower among firefighters compared with non-firefighters.

Conclusions

Evaluating the working environment of firefighters is difficult; however, our study revealed that pulmonary function declined in firefighters. Thus, more effort should be made to prevent and manage respiratory diseases early by preforming strict and consistent pulmonary function tests in firefighters.


Citations

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