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Hu B, Xie Y, Yin H, Yang S, You X, Ma J, Yang L. Long-term night shift work, genetic predisposition and risk of incident asthma: a prospective cohort study. QJM 2024; 117:631-637. [PMID: 38597880 DOI: 10.1093/qjmed/hcae068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 03/14/2024] [Indexed: 04/11/2024] Open
Abstract
BACKGROUND Evidence about a potential link between current and lifetime night shift work and risk of incident asthma is insufficient. AIM To investigate the association of current and lifetime night shift work with risk of incident asthma, and the modified effect of genetic susceptibility on this association. DESIGN AND METHODS We included 253 773 individuals with complete night shift work information in the UK biobank. We calculated the standard polygenetic risk score (PRS) for asthma. The Cox proportional hazard models were conducted to estimate hazard ratios and 95% CIs. RESULTS After multivariable adjustments, we found that current night shift work was associated with an increased risk of incident asthma in a dose-response fashion (P for trend < 0.001). Compared with day workers, those working usual/permanent night shifts had a 17% (95% CI: 1.04-1.33) higher risk of asthma incidence. In addition, we observed significant dose-dependent relationships of longer lifetime duration or frequency of night shift work with elevated risk of asthma incidence (all P for trend < 0.05). Compared with never night shift workers, those with a duration (≥5 years) or frequency (≥8 nights/month) of night shift work exhibited a 20% (95% CI: 1.03-1.39) or 22% (95% CI: 1.03-1.44) higher risk of incident asthma, respectively. Moreover, the elevated risk of incident asthma related to current and lifetime night shift work exposure was strengthened by high PRS, although no significant shift work-PRS interactions were detected. CONCLUSION Both current and lifetime night shift work may increase the risk of incident asthma, regardless of genetic predisposition to asthma.
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Affiliation(s)
- B Hu
- Department of Pulmonary and Critical Care Medicine, Affiliated Hospital of Jianghan University, Wuhan, China
| | - Y Xie
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Wuhan, Hubei, China
- State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - H Yin
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Wuhan, Hubei, China
- State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - S Yang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Wuhan, Hubei, China
- State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - X You
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Wuhan, Hubei, China
- State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - J Ma
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Wuhan, Hubei, China
- State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - L Yang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, Wuhan, Hubei, China
- State Key Laboratory of Environmental Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Occupational & Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Beigoli S, Amin F, Kazemi Rad H, Rezaee R, Boskabady MH. Occupational respiratory disorders in Iran: a review of prevalence and inducers. Front Med (Lausanne) 2024; 11:1310040. [PMID: 38390570 PMCID: PMC10881831 DOI: 10.3389/fmed.2024.1310040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/19/2024] [Indexed: 02/24/2024] Open
Abstract
The link between occupational respiratory diseases (ORD) and exposure to harmful factors that are present in the workplace has been well shown. Factors such as physical activity, age and duration of occupational exposure playing important roles in ORD severity, should be identified in the workplace, their effects on workers health should be studied, and ultimately, exposure to them must be minimized. We carried out a literature review by searching PubMed, Scopus, and Web of Science databases to retrieve studies published from 1999 until the end of April 2023 reporting the prevalence and inducers of ORD in Iran. In Iranian workers, several ORD such as interstitial lung disease, silicosis, occupational asthma, pulmonary inflammatory diseases, chronic obstructive pulmonary diseases, and lung cancers have been reported. It was indicated that ORD mainly occur due to repeated and prolonged exposure to noxious agents in the workplace. We also extracted the prevalence of ORD in different regions of Iran from the retrieved reports. Based on our literature review, the prevalence of ORD among Iranian workers highlights the importance of regular assessment of the risk of exposure to noxious agents in the workplace to develop measures for preventing potential adverse effects.
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Affiliation(s)
- Sima Beigoli
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fatemeh Amin
- Physiology-Pharmacology Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
- Department of Physiology and Pharmacology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hamideh Kazemi Rad
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ramin Rezaee
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Hossein Boskabady
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Maidstone RJ, Turner J, Vetter C, Dashti HS, Saxena R, Scheer FAJL, Shea SA, Kyle SD, Lawlor DA, Loudon ASI, Blaikley JF, Rutter MK, Ray DW, Durrington HJ. Night shift work is associated with an increased risk of asthma. Thorax 2021; 76:53-60. [PMID: 33199525 PMCID: PMC7803886 DOI: 10.1136/thoraxjnl-2020-215218] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 08/03/2020] [Accepted: 08/11/2020] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Shift work causes misalignment between internal circadian time and the external light/dark cycle and is associated with metabolic disorders and cancer. Approximately 20% of the working population in industrialised countries work permanent or rotating night shifts, exposing this large population to the risk of circadian misalignment-driven disease. Analysis of the impact of shift work on chronic inflammatory diseases is lacking. We investigated the association between shift work and asthma. METHODS We describe the cross-sectional relationship between shift work and prevalent asthma in >280000 UK Biobank participants, making adjustments for major confounding factors (smoking history, ethnicity, socioeconomic status, physical activity, body mass index). We also investigated chronotype. RESULTS Compared with day workers, 'permanent' night shift workers had a higher likelihood of moderate-severe asthma (OR 1.36 (95% CI 1.03 to 1.8)) and all asthma (OR 1.23 (95% CI 1.03 to 1.46)). Individuals doing any type of shift work had higher adjusted odds of wheeze/whistling in the chest. Shift workers who never or rarely worked on nights and people working permanent nights had a higher adjusted likelihood of having reduced lung function (FEV1 <80% predicted). We found an increase in the risk of moderate-severe asthma in morning chronotypes working irregular shifts, including nights (OR 1.55 (95% CI 1.06 to 2.27)). CONCLUSIONS The public health implications of these findings are far-reaching due to the high prevalence and co-occurrence of both asthma and shift work. Future longitudinal follow-up studies are needed to determine if modifying shift work schedules to take into account chronotype might present a public health measure to reduce the risk of developing inflammatory diseases such as asthma.
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Affiliation(s)
- Robert J Maidstone
- Division of Informatics, Imaging & Data Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford, UK
| | - James Turner
- Medical School, University of Manchester, Manchester, UK
| | - Celine Vetter
- Circadian and Sleep Epidemiology Laboratory, Department of Integrative Physiology, University of Colorado at Boulder, Boulder, Colorado, USA
- Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
| | - Hassan S Dashti
- Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Richa Saxena
- Program in Medical and Population Genetics, Broad Institute, Cambridge, Massachusetts, USA
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Frank A J L Scheer
- Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Medical Chronobiology Program, Division of Sleep and Circadian Disorders, Brigham and Women's Hospital, Boston, Massachusetts, USA
- Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Steven A Shea
- Oregon Institute of Occupational Health Sciences, Oregon Health & Science University, Portland, Oregon, USA
| | - Simon D Kyle
- Sleep and Circadian Neuroscience Institute, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Deborah A Lawlor
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Andrew S I Loudon
- Division of Diabetes, Endocrinology & Gastroenterology, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - John F Blaikley
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | - Martin K Rutter
- Division of Diabetes, Endocrinology & Gastroenterology, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Manchester Diabetes Centre, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - David W Ray
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford, UK
- Division of Diabetes, Endocrinology & Gastroenterology, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- NIHR Oxford Biomedical Research Centre, John Radcliffe Hospital, Oxford, UK, University of Oxford, Oxford, UK
| | - Hannah Jane Durrington
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK
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Rezapour M, Khorrami Z, Tabe R, Khanjani N. The Prevalence of Occupational Risk Factors and Occupational Diseases in Kerman, Iran. INTERNATIONAL JOURNAL OF EPIDEMIOLOGIC RESEARCH 2019. [DOI: 10.15171/ijer.2019.12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background and aims: Many workers face significant hazardous workplace exposures, especially in developing countries. The objective of this study was to investigate the prevalence of occupational risk factors and common occupational diseases in Kerman. Methods: This study was based on data from occupational risk factor and disease monitoring systems available at Kerman Province Health Center during 2011-2015. These data are gathered semiannually by occupational hygienists based on standard checklists provided by the Ministry of Health and Medical Education and these checklists include exposures and diseases related to the workplace. Results: Based on the results, 292 (3.7%), 281 (3.58%), 261 (3.32%), and 115 (1.47%) cases were found regarding occupational hearing loss, respiratory conditions, work-related back pain, and musculoskeletal disorders, respectively, which were related to different occupational exposures diagnosed in Kerman during 2011-2015. Moreover, dust, work tools, wrong body position during work, and noise were the most common risk factors in this respect. Conclusion: Overall, occupational hazards are considered as an important health issue in Kerman. Therefore, it is necessary to control exposure to these risk factors in order to prevent occupational diseases
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Affiliation(s)
- Maysam Rezapour
- PhD Student,Department of Epidemiology and Biostatistics, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Zahra Khorrami
- PhD Student,Department of Epidemiology and Biostatistics, School of Public Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Raheleh Tabe
- Associate Professor, Environmental Health Engineering Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Narges Khanjani
- Bachelor’s Degree, Kerman Health Center, Kerman University of Medical Sciences, Kerman, Iran
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Tarlo SM, Arif AA, Delclos GL, Henneberger P, Patel J. Opportunities and obstacles in translating evidence to policy in occupational asthma. Ann Epidemiol 2018; 28:392-400. [PMID: 28434545 PMCID: PMC5953844 DOI: 10.1016/j.annepidem.2017.03.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 02/27/2017] [Accepted: 03/13/2017] [Indexed: 01/14/2023]
Abstract
PURPOSE Occupational asthma (OA), a common respiratory disorder in Western countries, is caused by exposures at the workplace. It is part of a broader definition of work-related asthma (WRA) that also includes pre-existing asthma aggravated by substances present in the workplace environment, and it is potentially preventable. The purpose of this paper is to illustrate preventive measures for occupational asthma by case studies. METHODS In three case studies we discuss preventive measures that have been associated with reductions in incidence of occupational asthma from natural rubber latex and from diisocyanates as supported by published literature. We also discuss challenges in relation to asthma from cleaning products in healthcare work. RESULTS AND CONCLUSIONS Several preventive measures have been associated with reduction in incidence of occupational asthma from natural rubber latex and from diisocyanates, and may provide lessons for prevention of other causes of occupational asthma. Cleaning products remain an unresolved problem at present with respect to asthma risks but potential measures include the use of safer products and safer applications such as avoidance of spray products, use of occupational hygiene methods such as improving local ventilation, and when appropriate, the use of personal protective devices.
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Affiliation(s)
- Susan M Tarlo
- Department of Medicine, University Health Network, University of Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Ontario, Canada; Department of Public Health Sciences, University of Toronto, Ontario, Canada.
| | - Ahmed A Arif
- UNC Charlotte, Department of Public Health Sciences, Charlotte, NC
| | - George L Delclos
- Department of Epidemiology, Human Genetics and Environmental Sciences, The University of Texas School of Public Health, Houston
| | | | - Jenil Patel
- Department of Epidemiology, Human Genetics and Environmental Sciences, The University of Texas School of Public Health, Houston
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