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Yang X, Du Y, Joost Wisselink H, Zhao Y, Heuvelmans MA, J M Groen H, Dorrius MD, Vonder M, Ye Z, Vliegenthart R, de Bock GH. Ct-defined emphysema prevalence in a Chinese and Dutch general population. Eur J Radiol 2024; 176:111503. [PMID: 38761443 DOI: 10.1016/j.ejrad.2024.111503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 03/19/2024] [Accepted: 05/12/2024] [Indexed: 05/20/2024]
Abstract
PURPOSE We determine and compare the prevalence, subtypes, severity, and risk factors for emphysema assessed by low-dose CT(LDCT) in Chinese and Dutch general populations. METHODS This cross-sectional study included LDCT scans of 1143 participants between May and October 2017 from a Chinese Cohort study and 1200 participants with same age range and different smoking status between May and October 2019 from a Dutch population-based study. An experienced radiologist visually assessed the scans for emphysema presence (≥trace), subtype, and severity. Logistic regression analyses, overall and stratified by smoking status, were performed and adjusted for fume exposure, demographic and smoking data. RESULTS The Chinese population had a comparable proportion of women to the Dutch population (54.9 % vs 58.9 %), was older (61.7 ± 6.3 vs 59.8 ± 8.1), included more never smokers (66.4 % vs 38.3 %), had a higher emphysema prevalence ([58.8 % vs 39.7 %], adjusted odds ratio, aOR = 2.06, 95 %CI = 1.68-2.53), and more often had centrilobular emphysema (54.8 % vs 32.8 %, p < 0.001), but no differences in emphysema severity. After stratification, only in never smokers an increased odds of emphysema was observed in the Chinese compared to the Dutch (aOR = 2.55, 95 %CI = 1.95-3.35). Never smokers in both populations shared older age (aOR = 1.59, 95 %CI = 1.25-2.02 vs 1.26, 95 %CI = 0.97-1.64) and male sex (aOR = 1.50, 95 %CI = 1.02-2.22 vs 1.93, 95 %CI = 1.26-2.96) as risk factors for emphysema. CONCLUSIONS Only never smokers had a higher prevalence of mainly centrilobular emphysema in the Chinese general population compared to the Dutch after adjusting for confounders, indicating that factors other than smoking, age and sex contribute to presence of CT-defined emphysema.
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Affiliation(s)
- Xiaofei Yang
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Yihui Du
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Hendrik Joost Wisselink
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Yingru Zhao
- Department of Radiology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Marjolein A Heuvelmans
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Harry J M Groen
- Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Monique D Dorrius
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Marleen Vonder
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Zhaoxiang Ye
- Department of Radiology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Rozemarijn Vliegenthart
- Department of Radiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Geertruida H de Bock
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
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Su WC, Juan HL, Lee JI, Huang SP, Chen SC, Geng JH. Secondhand smoke increases the risk of developing chronic obstructive pulmonary disease. Sci Rep 2024; 14:7481. [PMID: 38553570 PMCID: PMC10980762 DOI: 10.1038/s41598-024-58038-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/25/2024] [Indexed: 04/02/2024] Open
Abstract
Smoking is the most important risk factor for chronic obstructive pulmonary disease (COPD), however evidence from large-scale studies on whether secondhand smoke (SHS) increases the risk of COPD is still lacking. We conducted this large longitudinal study to investigate the association between SHS and the development of COPD. This is a longitudinal study. Data on 6519 subjects who were never-smokers, had no history of COPD, and had complete lung function records were extracted from the Taiwan Biobank. They were divided into two groups according to SHS exposure: no exposure and exposure groups. Data were collected when participants enrolled in the study and during regular follow-up. Cox proportional hazards regression models were used to estimate the relative risk (RR) and 95% confidence interval (CI) for the association between SHS and the risk of developing COPD. At 48 months of follow-up, 260 (4%) participants in the no exposure group and 34 (7%) participants in the exposure group developed COPD. The RR of incident COPD development was significantly higher in the exposure group than that in the no exposure group after adjusting for confounders (RR = 1.49; 95% CI 1.04 to 2.14; P value = 0.031). There is a dose-response relationship between the duration of exposure to SHS and the risk of incident COPD, which demonstrates that an additional hour of exposure to SHS per week was associated with a 1.03-fold increased likelihood of developing COPD after adjusting for confounders (RR = 1.03; 95% CI 1.00 to 1.05; P value = 0.027). SHS exposure contributes to the development of COPD. This finding can help raise awareness of the harms of SHS and provide a reference for formulating anti-smoking policies.
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Affiliation(s)
- Wen-Chi Su
- Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Huai-Lei Juan
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jia-In Lee
- Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shu-Pin Huang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Ph.D. Program in Environmental and Occupational Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Institute of Medical Science and Technology, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Szu-Chia Chen
- Department of Internal Medicine, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jiun-Hung Geng
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Department of Urology, Kaohsiung Municipal Siaogang Hospital, No. 482, Shanming Rd, Xiaogang District, Kaohsiung City, 812, Taiwan.
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Abozid H, Patel J, Burney P, Hartl S, Breyer-Kohansal R, Mortimer K, Nafees AA, Al Ghobain M, Welte T, Harrabi I, Denguezli M, Loh LC, Rashid A, Gislason T, Barbara C, Cardoso J, Rodrigues F, Seemungal T, Obaseki D, Juvekar S, Paraguas SN, Tan WC, Franssen FM, Mejza F, Mannino D, Janson C, Cherkaski HH, Anand MP, Hafizi H, Buist S, Koul PA, El Sony A, Breyer MK, Burghuber OC, Wouters EF, Amaral AF. Prevalence of chronic cough, its risk factors and population attributable risk in the Burden of Obstructive Lung Disease (BOLD) study: a multinational cross-sectional study. EClinicalMedicine 2024; 68:102423. [PMID: 38268532 PMCID: PMC10807979 DOI: 10.1016/j.eclinm.2024.102423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 12/31/2023] [Accepted: 01/02/2024] [Indexed: 01/26/2024] Open
Abstract
Background Chronic cough is a common respiratory symptom with an impact on daily activities and quality of life. Global prevalence data are scarce and derive mainly from European and Asian countries and studies with outcomes other than chronic cough. In this study, we aimed to estimate the prevalence of chronic cough across a large number of study sites as well as to identify its main risk factors using a standardised protocol and definition. Methods We analysed cross-sectional data from 33,983 adults (≥40 years), recruited between Jan 2, 2003 and Dec 26, 2016, in 41 sites (34 countries) from the Burden of Obstructive Lung Disease (BOLD) study. We estimated the prevalence of chronic cough for each site accounting for sampling design. To identify risk factors, we conducted multivariable logistic regression analysis within each site and then pooled estimates using random-effects meta-analysis. We also calculated the population attributable risk (PAR) associated with each of the identifed risk factors. Findings The prevalence of chronic cough varied from 3% in India (rural Pune) to 24% in the United States of America (Lexington,KY). Chronic cough was more common among females, both current and passive smokers, those working in a dusty job, those with a history of tuberculosis, those who were obese, those with a low level of education and those with hypertension or airflow limitation. The most influential risk factors were current smoking and working in a dusty job. Interpretation Our findings suggested that the prevalence of chronic cough varies widely across sites in different world regions. Cigarette smoking and exposure to dust in the workplace are its major risk factors. Funding Wellcome Trust.
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Affiliation(s)
- Hazim Abozid
- Department of Respiratory and Pulmonary Diseases, Clinic Penzing, Vienna Healthcare Group, Vienna, Austria
- Ludwig Boltzmann Institute for Lung Health, Vienna, Austria
| | - Jaymini Patel
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Peter Burney
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Sylvia Hartl
- Ludwig Boltzmann Institute for Lung Health, Vienna, Austria
- Sigmund Freud University, Faculty for Medicine, Vienna, Austria
| | - Robab Breyer-Kohansal
- Ludwig Boltzmann Institute for Lung Health, Vienna, Austria
- Department of Respiratory and Pulmonary Diseases, Clinic Hietzing, Vienna Healthcare Group, Vienna, Austria
| | - Kevin Mortimer
- University of Cambridge, Cambridge, UK
- Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Asaad A. Nafees
- Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan
| | - Mohammed Al Ghobain
- King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Centre, Riyadh, Saudi Arabia
| | - Tobias Welte
- Department of Respiratory Medicine/Infectious Disease, Member of the German Centre for Lung Research, Hannover School of Medicine, Germany
| | - Imed Harrabi
- Ibn El Jazzar Faculty of Medicine of Sousse, University of Sousse, Sousse, Tunisia
| | - Meriam Denguezli
- Department of Pneumology, Faculty of Medicine Annaba, University Badji Mokhtar of Annaba, Annaba, Algeria
| | - Li Cher Loh
- Royal College of Surgeons in Ireland and University College Dublin Malaysia Campus, Penang, Malaysia
| | - Abdul Rashid
- Royal College of Surgeons in Ireland and University College Dublin Malaysia Campus, Penang, Malaysia
| | - Thorarinn Gislason
- Faculty of Medicine, University of Iceland, Reykjavík, Iceland
- Department of Sleep, Landspitali - The National University Hospital of Iceland, Reykjavik, Iceland
| | - Cristina Barbara
- Instituto de Saúde Ambiental, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
- Serviço de Pneumologia, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
| | - Joao Cardoso
- Pulmonology Department, Centro Hospitalar Universitário de Lisboa Central, Lisboa, Portugal
- NOVA Medical School, Nova University Lisbon, Lisboa, Portugal
| | - Fatima Rodrigues
- Serviço de Pneumologia, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
- Institute of Environmental Health, Associate Laboratory TERRA, Lisbon Medical School, Lisbon University, Lisbon, Portugal
| | - Terence Seemungal
- Faculty of Medical Sciences, University of West Indies, St Augustine, Trinidad and Tobago
| | - Daniel Obaseki
- Department of Medicine, Obafemi Awolowo University, Ile-Ife, Nigeria
- Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Sanjay Juvekar
- Vadu Rural Health Program, KEM Hospital Research Centre, Pune, India
| | | | - Wan C. Tan
- University of British Columbia Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, Canada
| | | | - Filip Mejza
- Centre for Evidence Based Medicine, 2nd Department of Internal Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - David Mannino
- University of Kentucky, Lexington, KY, USA
- COPD Foundation, Miami, FL, USA
| | - Christer Janson
- Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | - Hamid Hacene Cherkaski
- Department of Pneumology, Faculty of Medicine Annaba, University Badji Mokhtar of Annaba, Annaba, Algeria
| | | | - Hasan Hafizi
- Faculty of Medicine, Tirana University Hospital “Shefqet Ndroqi”, Tirana, Albania
| | - Sonia Buist
- Oregon Health & Science University, Portland, USA
| | - Parvaiz A. Koul
- Department of Pulmonary Medicine, Sheri Kashmir Institute of Medical Sciences, Srinagar, India
| | | | - Marie-Kathrin Breyer
- Department of Respiratory and Pulmonary Diseases, Clinic Penzing, Vienna Healthcare Group, Vienna, Austria
- Ludwig Boltzmann Institute for Lung Health, Vienna, Austria
| | - Otto C. Burghuber
- Ludwig Boltzmann Institute for Lung Health, Vienna, Austria
- Sigmund Freud University, Faculty for Medicine, Vienna, Austria
| | - Emiel F.M. Wouters
- Ludwig Boltzmann Institute for Lung Health, Vienna, Austria
- Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Andre F.S. Amaral
- National Heart and Lung Institute, Imperial College London, London, UK
- NIHR Imperial Biomedical Research Centre, London, UK
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Kopa-Stojak PN, Pawliczak R. Comparison of the effects of active and passive smoking of tobacco cigarettes, electronic nicotine delivery systems and tobacco heating products on the expression and secretion of oxidative stress and inflammatory response markers. A systematic review. Inhal Toxicol 2024; 36:75-89. [PMID: 38394073 DOI: 10.1080/08958378.2024.2319315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 02/09/2024] [Indexed: 02/25/2024]
Abstract
OBJECTIVES This work attempts to summarize current knowledge on the effects of active and passive smoking of cigarettes, electronic nicotine delivery systems and tobacco heating products on the expression and secretion of oxidative stress and inflammatory response mediators, and on their possible impact on chronic obstructive pulmonary disease development. MATERIALS AND METHODS The literature was searched by the terms: 'smoking', 'active smoking', 'passive smoking', 'main-stream smoke', 'side-stream smoke', 'secondhand smoke', 'cigarette' 'THP', 'tobacco heating product', 'ENDS', 'electronic nicotine delivery system', 'e-cigarette', 'electronic cigarette', oxidative stress', inflammatory response' and 'gene expression'. RESULTS Cigarette smoking (active and passive) induces oxidative stress and inflammatory response in the airways. We present the effect of active smoking of e-cigarettes (EC) and heat-not-burn (HnB) products on the increased expression and secretion of oxidative stress and inflammatory response markers. However, there is only a limited number of studies on the effect of their second-hand smoking, and those available mainly describe aerosol composition. DISCUSSION The literature provides data which confirm that active and passive cigarette smoking induces oxidative stress and inflammatory response in the airways and is a key risk factor of COPD development. Currently, there is a limited number of data about ENDS and THP active and passive smoking effects on the health of smokers and never-smokers. It is particularly important to assess the effect of such products during long-term use by never-smokers who choose them as the first type of cigarettes, and for never-smokers who are passively exposed to their aerosol.
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Affiliation(s)
- Paulina Natalia Kopa-Stojak
- Department of Immunopathology, Division of Biomedical Science, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Rafal Pawliczak
- Department of Immunopathology, Division of Biomedical Science, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
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Hailu Tesfaye A, Gebrehiwot M, Aragaw FM, Dessie A. Prevalence and risk factors of chronic respiratory symptoms in public and private school teachers in north-western Ethiopia: results from a multicentre cross-sectional study. BMJ Open 2023; 13:e069159. [PMID: 37045568 PMCID: PMC10106045 DOI: 10.1136/bmjopen-2022-069159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/14/2023] Open
Abstract
OBJECTIVE This study aimed to investigate the prevalence and risk factors of chronic respiratory symptoms among school teachers in Gondar city, north-western Ethiopia. DESIGN A school-based cross-sectional study was conducted from April to May 2019. A self-administered British Medical Research Council Questionnaire was used to assess chronic respiratory symptoms. Data were entered into Epi Info V.7 and Stata V.14 was used for analysis. A multivariable logistic regression analysis was conducted to identify factors associated with chronic respiratory symptoms. The association was determined using adjusted OR (AOR) with a 95% CI at a value of p<0.05. SETTING The study was conducted in public and private schools in Gondar city. PARTICIPANTS A total of 822 teachers participated in this study. OUTCOME MEASURES The primary outcome is the prevalence of chronic respiratory symptoms. RESULTS The total response rate was 97.4%. The majority, 532 (64.7%) of the participants, were male. The mean age (±SD) of the respondents was 36.69 (±6.93) years. The total prevalence of chronic respiratory symptoms in the previous 12 months among teachers in Gondar city was found to be 31.14% (95% CI 27.99% to 34.43%). A family history of respiratory problems (AOR=1.90; 95% CI 1.07 to 3.37), an overweight body mass index (AOR=2.57; 95% CI 1.57 to 4.21), exposure to secondhand cigarette smoke at home (AOR=9.85; 95% CI 4.77 to 20.33), use of chalk (AOR=1.97; 95% CI 1.25 to 3.09), and failure to open windows during class (AOR=2.15; 95% CI 1.02 to 4.52) were risk factors for chronic respiratory symptoms. CONCLUSION This study concluded that the prevalence of chronic respiratory symptoms was high among teachers. Making a smoking-free zone, avoiding smoking in public places, improving the ventilation conditions of the classrooms and controlling the chalk dust are all necessary actions to take to reduce chronic respiratory symptoms.
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Affiliation(s)
- Amensisa Hailu Tesfaye
- Department of Environmental and Occupational Health and Safety,Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Mulat Gebrehiwot
- Department of Environmental and Occupational Health and Safety,Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Fantu Mamo Aragaw
- Department of Epidemiology and Biostatistics, Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Awrajaw Dessie
- Department of Environmental and Occupational Health and Safety,Institute of Public Health, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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Myers LC, Murray R, Donato B, Liu VX, Kipnis P, Shaikh A, Franchino-Elder J. Risk of hospitalization in a sample of COVID-19 patients with and without chronic obstructive pulmonary disease. Respir Med 2023; 206:107064. [PMID: 36459955 PMCID: PMC9700393 DOI: 10.1016/j.rmed.2022.107064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND OBJECTIVE Patients with chronic obstructive pulmonary disease (COPD) may have worse coronavirus disease-2019 (COVID-19)-related outcomes. We compared COVID-19 hospitalization risk in patients with and without COPD. METHODS This retrospective cohort study included patients ≥40 years, SARS-CoV-2 positive, and with Kaiser Permanente Northern California membership ≥1 year before COVID-19 diagnosis (electronic health records and claims data). COVID-19-related hospitalization risk was assessed by sequentially adjusted logistic regression models and stratified by disease severity. Secondary outcome was death/hospice referral after COVID-19. RESULTS AND DISCUSSION Of 19,558 COVID-19 patients, 697 (3.6%) had COPD. Compared with patients without COPD, COPD patients were older (median age: 69 vs 53 years); had higher Elixhauser Comorbidity Index (5 vs 0) and more median baseline outpatient (8 vs 4), emergency department (2 vs 1), and inpatient (2 vs 1) encounters. Unadjusted analyses showed increased odds of hospitalization with COPD (odds ratio [OR]: 3.93; 95% confidence interval [CI]: 3.40-4.60). After full risk adjustment, there were no differences in odds of hospitalization (OR: 1.14, 95% CI: 0.93-1.40) or death/hospice referral (OR: 0.96, 95% CI: 0.72-1.27) between patients with and without COPD. Primary/secondary outcomes did not differ by COPD severity, except for higher odds of hospitalization in COPD patients requiring supplemental oxygen versus those without COPD (OR: 1.84, 95% CI: 1.02-3.33). CONCLUSIONS Except for hospitalization among patients using supplemental oxygen, no differences in odds of hospitalization or death/hospice referral were observed in the COVID-19 patient sample depending on whether they had COPD.
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Affiliation(s)
- Laura C. Myers
- The Permanente Medical Group, Kaiser Permanente Northern California, Oakland, CA, USA,Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA,Corresponding author. Division of Research, Kaiser Permanente Northern California Oakland, CA, 94612, USA
| | | | - Bonnie Donato
- Health Economics and Outcomes Research, Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, USA
| | - Vincent X. Liu
- The Permanente Medical Group, Kaiser Permanente Northern California, Oakland, CA, USA,Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Patricia Kipnis
- The Permanente Medical Group, Kaiser Permanente Northern California, Oakland, CA, USA,Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Asif Shaikh
- Clinical Development and Medical Affairs, Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, USA
| | - Jessica Franchino-Elder
- Health Economics and Outcomes Research, Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, USA
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Pando‐Sandoval A, Ruano‐Ravina A, Candal‐Pedreira C, Rodríguez‐García C, Represas‐Represas C, Golpe R, Fernández‐Villar A, Pérez‐Ríos M. Risk factors for chronic obstructive pulmonary disease in never‐smokers: A systematic review. THE CLINICAL RESPIRATORY JOURNAL 2022; 16:261-275. [PMID: 35142054 PMCID: PMC9060104 DOI: 10.1111/crj.13479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/14/2022] [Accepted: 01/24/2022] [Indexed: 11/30/2022]
Abstract
Introduction Relatively little is known about the risk factors for chronic obstructive pulmonary disease (COPD) in never‐smokers, and these factors have not yet been fully characterised. This study therefore sought to analyse COPD risk factors in never‐smokers by conducting a systematic review of the literature on the topic. Materials and methods We performed a search in PubMed (Medline) and Embase from 2000 onwards, to locate studies on COPD in never‐smokers. For literature search and evidence synthesis purposes, we used the PRISMA guidelines and drew up a specific quality scale to quantify the evidence of each study included. Results The bibliographic search retrieved a total of 557 papers, 20 of which fulfilled the designated inclusion criteria (two case–control studies, four cohort studies and 14 cross‐sectional studies). These studies were undertaken in Europe, the United States, Latin America, Asia and Africa. The risk factors for never‐smokers were varied and ranged from exposure to biomass, occupational exposure and passive smoking to having a history of asthma, tuberculosis or respiratory infections during childhood. The effect of residential radon was unclear. The highest risk was obtained for previous respiratory diseases of any type, with a magnitude much higher than that observed for other risk factors. Conclusions There are few studies on COPD risk factors in never‐smokers. More purpose‐designed studies in this subpopulation are thus called for, including well‐designed studies to specifically assess if indoor radon has any role on COPD onset.
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Affiliation(s)
- Ana Pando‐Sandoval
- Department of Pneumology Central University Teaching Hospital of Asturias Oviedo Spain
- Department of Preventive Medicine and Public Health University of Santiago de Compostela Santiago de Compostela Spain
| | - Alberto Ruano‐Ravina
- Department of Preventive Medicine and Public Health University of Santiago de Compostela Santiago de Compostela Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBER en Epidemiología y Salud Pública‐ CIBERESP) Madrid Spain
- Health Research Institute of Santiago de Compostela (Instituto de Investigación Sanitaria de Santiago de Compostela ‐ IDIS) Santiago de Compostela Spain
| | - Cristina Candal‐Pedreira
- Department of Preventive Medicine and Public Health University of Santiago de Compostela Santiago de Compostela Spain
| | - Carlota Rodríguez‐García
- Department of Pneumology University Clinical Teaching Hospital of Santiago de Compostela Santiago de Compostela Spain
| | - Cristina Represas‐Represas
- Department of Pneumology Alvaro Cunqueiro University Teaching Hospital, NeumoVigo I+i Research Group, Southern Galician Institute of Health Research (Instituto de Investigación Sanitaria Galicia Sur ‐ IISGS) Vigo Spain
| | - Rafael Golpe
- Department of Pneumology Lucus Augusti University Teaching Hospital Lugo Spain
- Grupo C039 Biodiscovery HULA‐USC Health Research Institute of Santiago de Compostela Santiago de Compostela Spain
| | - Alberto Fernández‐Villar
- Department of Pneumology Alvaro Cunqueiro University Teaching Hospital, NeumoVigo I+i Research Group, Southern Galician Institute of Health Research (Instituto de Investigación Sanitaria Galicia Sur ‐ IISGS) Vigo Spain
| | - Mónica Pérez‐Ríos
- Department of Preventive Medicine and Public Health University of Santiago de Compostela Santiago de Compostela Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBER en Epidemiología y Salud Pública‐ CIBERESP) Madrid Spain
- Health Research Institute of Santiago de Compostela (Instituto de Investigación Sanitaria de Santiago de Compostela ‐ IDIS) Santiago de Compostela Spain
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The Adverse Effects of Air Pollution on the Eye: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19031186. [PMID: 35162209 PMCID: PMC8834466 DOI: 10.3390/ijerph19031186] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/14/2022] [Accepted: 01/15/2022] [Indexed: 12/11/2022]
Abstract
Air pollution is inevitably the result of human civilization, industrialization, and globalization. It is composed of a mixture of gases and particles at harmful levels. Particulate matter (PM), nitrogen oxides (NOx), and carbon dioxides (CO2) are mainly generated from vehicle emissions and fuel consumption and are the main materials causing outdoor air pollution. Exposure to polluted outdoor air has been proven to be harmful to human eyes. On the other hand, indoor air pollution from environmental tobacco smoking, heating, cooking, or poor indoor ventilation is also related to several eye diseases, including conjunctivitis, glaucoma, cataracts, and age-related macular degeneration (AMD). In the past 30 years, no updated review has provided an overview of the impact of air pollution on the eye. We reviewed reports on air pollution and eye diseases in the last three decades in the PubMed database, Medline databases, and Google Scholar and discussed the effect of various outdoor and indoor pollutants on human eyes.
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Korsbæk N, Landt EM, Dahl M. Second-Hand Smoke Exposure Associated with Risk of Respiratory Symptoms, Asthma, and COPD in 20,421 Adults from the General Population. J Asthma Allergy 2021; 14:1277-1284. [PMID: 34737580 PMCID: PMC8560177 DOI: 10.2147/jaa.s328748] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/13/2021] [Indexed: 11/23/2022] Open
Abstract
Rationale Individuals exposed to second-hand smoking may be more susceptible to asthma and chronic obstructive pulmonary disease (COPD). We investigated the risk of respiratory symptoms, asthma, and COPD in adults exposed to second-hand smoking at different stages of life in the general population. Methods We identified individuals who had been exposed to second-hand smoking in childhood only, adulthood only, or lifelong in a cohort of 20,421 adults from the Danish General Suburban Population Study and recorded respiratory symptoms, lung function, asthma, and COPD as outcomes. Results Among 20,421 adults from the general population, 2,551 (12%) had been lifelong exposed to second-hand smoking, 459 (2%) had been exposed in adulthood only, and 13,998 (69%) had been exposed in childhood only; the mean ages of the three groups were 54 years, 55 years, and 57 years, respectably, compared with 56 years in non-exposed individuals (P<0.001). Equivalent values for the prevalence of current smoking were 25%, 20%, and 18% versus 12% (P<0.001). After adjustment for age, smoking, and sex, the odds ratios for wheezing, severe dyspnoea, cough on exertion, and asthma increased as a function of second-hand smoke exposure (Ps≤0.004); individuals who had been exposed to second-hand smoking lifelong, in adulthood only, or in childhood only versus non-exposed had increased odds ratios for wheezing of 1.62 (95% CI=1.41–1.87), 1.50 (1.15–1.94), and 1.16 (1.04–1.30). Corresponding values were 2.08 (1.52–2.85), 2.05 (1.22-3-44), and 1.23 (0.95–1.59) for severe dyspnoea, 1.56 (1.33–1.83), 1.53 (1.15–2.02), and 1.19 (1.05–1.35) for cough on exertion, 1.36 (1.14–1.63), 1.49 (1.09–2.05), and 1.13 (0.99–1.30) for asthma, and 1.24 (1.03–1.48), 1.25 (0.90–1.74), and 1.09 (0.96–1.24) for COPD. The population attributable fractions of asthma and COPD due to lifelong second-hand smoke exposure were 4.3% and 2.9%. Conclusion Individuals exposed to lifelong second-hand smoking have increased risks of respiratory symptoms, asthma, and COPD, and may account for 4.3% and 2.9% of people with asthma and COPD in the general population.
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Affiliation(s)
- Nanna Korsbæk
- Department of Clinical Biochemistry, Zealand University Hospital, Køge, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Eskild M Landt
- Department of Clinical Biochemistry, Zealand University Hospital, Køge, Denmark
| | - Morten Dahl
- Department of Clinical Biochemistry, Zealand University Hospital, Køge, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Silver SR, Alarcon WA, Li J. Incident chronic obstructive pulmonary disease associated with occupation, industry, and workplace exposures in the Health and Retirement Study. Am J Ind Med 2021; 64:26-38. [PMID: 33124723 DOI: 10.1002/ajim.23196] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/29/2020] [Accepted: 10/02/2020] [Indexed: 11/11/2022]
Abstract
BACKGROUND Chronic health effects from accumulated occupational exposures manifest as the workforce ages. The Health and Retirement Study (HRS), a panel survey of U.S. adults nearing/in retirement, allows assessment of associations among industry and occupation (I/O), workplace exposures, and incident chronic obstructive pulmonary disease (COPD). METHODS The study population comprised respondents from the 1992 HRS cohort employed in 1972 or later and not diagnosed with COPD as of initial interview. We examined associations with incident COPD through 2016 and: (1) broad and selected detailed I/O, (2) workplace exposures, and (3) exposures within I/O. Given the cohort's baseline age (50-62), we calculated subhazard ratios (SHRs) for COPD accounting for competing risk of death. RESULTS SHRs for COPD were significantly elevated for several industries: mining; blast furnaces, steelworks, rolling and finishing mills; groceries and related products; and automotive repair shops. Occupations with significantly elevated SHRs were maids and housemen; farmworkers; vehicle/mobile equipment mechanics and repair workers; material moving equipment operators; and nonconstruction laborers. Significantly elevated COPD SHRs were observed for specific I/O-exposure pairs: blast furnace/steelworks/rolling/finishing mills and asbestos; automotive repair shops and aerosol paints; farmworkers and pesticide exposures; and both material moving equipment operators and nonconstruction laborers exposed to dust and ash. CONCLUSIONS Certain jobs and occupational exposures are associated with increased risk for developing COPD in late preretirement and during retirement. Given the disability and economic costs of COPD, these findings support focusing exposure prevention and medical monitoring resources on groups of workers at increased risk.
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Affiliation(s)
- Sharon R. Silver
- Division of Field Studies and Engineering National Institute for Occupational Safety and Health Cincinnati Ohio USA
| | - Walter A. Alarcon
- Division of Field Studies and Engineering National Institute for Occupational Safety and Health Cincinnati Ohio USA
| | - Jia Li
- Division of Field Studies and Engineering National Institute for Occupational Safety and Health Cincinnati Ohio USA
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Indoor Exposure to Selected Air Pollutants in the Home Environment: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17238972. [PMID: 33276576 PMCID: PMC7729884 DOI: 10.3390/ijerph17238972] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/22/2020] [Accepted: 11/27/2020] [Indexed: 11/17/2022]
Abstract
(1) Background: There is increasing awareness that the quality of the indoor environment affects our health and well-being. Indoor air quality (IAQ) in particular has an impact on multiple health outcomes, including respiratory and cardiovascular illness, allergic symptoms, cancers, and premature mortality. (2) Methods: We carried out a global systematic literature review on indoor exposure to selected air pollutants associated with adverse health effects, and related household characteristics, seasonal influences and occupancy patterns. We screened records from six bibliographic databases: ABI/INFORM, Environment Abstracts, Pollution Abstracts, PubMed, ProQuest Biological and Health Professional, and Scopus. (3) Results: Information on indoor exposure levels and determinants, emission sources, and associated health effects was extracted from 141 studies from 29 countries. The most-studied pollutants were particulate matter (PM2.5 and PM10); nitrogen dioxide (NO2); volatile organic compounds (VOCs) including benzene, toluene, xylenes and formaldehyde; and polycyclic aromatic hydrocarbons (PAHs) including naphthalene. Identified indoor PM2.5 sources include smoking, cooking, heating, use of incense, candles, and insecticides, while cleaning, housework, presence of pets and movement of people were the main sources of coarse particles. Outdoor air is a major PM2.5 source in rooms with natural ventilation in roadside households. Major sources of NO2 indoors are unvented gas heaters and cookers. Predictors of indoor NO2 are ventilation, season, and outdoor NO2 levels. VOCs are emitted from a wide range of indoor and outdoor sources, including smoking, solvent use, renovations, and household products. Formaldehyde levels are higher in newer houses and in the presence of new furniture, while PAH levels are higher in smoking households. High indoor particulate matter, NO2 and VOC levels were typically associated with respiratory symptoms, particularly asthma symptoms in children. (4) Conclusions: Household characteristics and occupant activities play a large role in indoor exposure, particularly cigarette smoking for PM2.5, gas appliances for NO2, and household products for VOCs and PAHs. Home location near high-traffic-density roads, redecoration, and small house size contribute to high indoor air pollution. In most studies, air exchange rates are negatively associated with indoor air pollution. These findings can inform interventions aiming to improve IAQ in residential properties in a variety of settings.
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COPD and asthma in patients with opioid dependency: a cross-sectional study in primary care. NPJ Prim Care Respir Med 2020; 30:4. [PMID: 31937808 PMCID: PMC6959319 DOI: 10.1038/s41533-019-0161-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Accepted: 11/29/2019] [Indexed: 11/15/2022] Open
Abstract
Patients treated for drug addiction have high asthma and COPD prevalence rates. The relative contributions of cigarette smoking, smoking intensity and possible smoking of other substances has not been described. We aimed to describe the prevalence and determinants of asthma and COPD in patients prescribed methadone as opioid substitution therapy (OST). In a cross-sectional study of an anonymised patient-level primary care dataset of UK inner-city general practices (n = 46), 321,395 patients aged ≥18 years were identified. A total of 676 (0.21%) had a record of a methadone ever issued in primary care. The association between respiratory disease and methadone prescribing was examined using logistic regression. Models were adjusted for potential effects of clustering by practice. A total of 97.3% of patients prescribed methadone were cigarette smokers, either current (81.2%) or ex-smokers (16.1%). The prevalences of asthma and COPD were higher in methadone patients (14.2% and 12.4%, respectively) compared to non-methadone patients (4.4% and 1.1%, respectively). Methadone was an independent determinant of asthma, adjusting for smoking status (OR 3.21; 95% CI: 2.52, 4.10) or for smoking intensity (3.08; 2.27, 4.19), and of COPD, adjusting for smoking status (6.00; 4.61, 7.80) or for smoking intensity (5.80; 4.12, 8.17). COPD and asthma prevalence were substantially higher in those prescribed methadone compared to those never prescribed methadone. Prescription of methadone was an independent predictor for both COPD and asthma, even after adjustment for smoking status and smoking intensity. Possible explanations include confounding by association with smoking of heroin or crack cocaine, both of which may have a causal association with COPD and asthma.
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Lee PN, Forey BA, Coombs KJ, Hamling JS, Thornton AJ. Epidemiological evidence relating environmental smoke to COPD in lifelong non-smokers: a systematic review. F1000Res 2018. [PMID: 32089819 DOI: 10.12688/f1000research.13887.1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Background: Some evidence suggests environmental tobacco smoke (ETS) might cause chronic obstructive pulmonary disease (COPD). We reviewed available epidemiological data in never smokers. Methods: We identified epidemiological studies providing estimates of relative risk (RR) with 95% confidence interval (CI) for various ETS exposure indices. Confounder-adjusted RRs for COPD were extracted, or derived using standard methods. Meta-analyses were conducted for each exposure index, with tests for heterogeneity and publication bias. For the main index (spouse ever smoked or nearest equivalent), analyses investigated variation in RR by location, publication period, study type, sex, diagnosis, study size, confounder adjustment, never smoker definition, and exposure index definition. Results: Twenty-eight relevant studies were identified; nine European or Middle Eastern, nine Asian, eight American and two from multiple countries. Five were prospective, seven case-control and 16 cross-sectional. The COPD definition involved death or hospitalisation in seven studies, GOLD stage 1+ criteria in twelve, and other definitions in nine. For the main index, random-effects meta-analysis of 33 heterogeneous (p<0.001) estimates gave a RR of 1.20 (95%CI 1.08-1.34). Higher estimates for females (1.59,1.16-2.19, n=11) than males (1.29,0.94-1.76, n=7) or sexes combined (1.10,0.99-1.22, n=15 where sex-specific not available), and lower estimates for studies of 150+ cases (1.08,0.97-1.20, n=13) partly explained the heterogeneity. Estimates were higher for Asian studies (1.34,1.08-1.67, n=10), case-control studies (1.55,1.04-2.32, n=8), and COPD mortality or hospitalisation (1.40,1.12-1.74, n=11). Some increase was seen for severer COPD (1.29,1.10-1.52, n=7). Dose-response evidence was heterogeneous. Evidence for childhood (0.88,0.72-1.07, n=2) and workplace (1.12,0.77-1.64, n=4) exposure was limited, but an increase was seen for overall adulthood exposure (1.20,1.03-1.39, n=17). We discuss study weaknesses that may bias estimation of the association of COPD with ETS. Conclusions: Although the evidence suggests ETS increases COPD, study weaknesses and absence of well-designed large studies precludes reliable inference of causality. More definitive evidence is required.
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Affiliation(s)
- Peter N Lee
- P.N. Lee Statistics and Computing Ltd, Sutton, Surrey, SM2 5DA, UK
| | - Barbara A Forey
- P.N. Lee Statistics and Computing Ltd, Sutton, Surrey, SM2 5DA, UK
| | | | - Jan S Hamling
- P.N. Lee Statistics and Computing Ltd, Sutton, Surrey, SM2 5DA, UK
| | - Alison J Thornton
- Independent Consultant in Statistics, Okehampton, Devon, EX20 1SG, UK
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Lee PN, Forey BA, Coombs KJ, Hamling JS, Thornton AJ. Epidemiological evidence relating environmental smoke to COPD in lifelong non-smokers: a systematic review. F1000Res 2018; 7:146. [PMID: 32089819 PMCID: PMC6953425 DOI: 10.12688/f1000research.13887.3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/31/2018] [Indexed: 01/01/2023] Open
Abstract
Background: Some evidence suggests environmental tobacco smoke (ETS) might cause chronic obstructive pulmonary disease (COPD). We reviewed available epidemiological data in never smokers. Methods: We identified epidemiological studies providing estimates of relative risk (RR) with 95% confidence interval (CI) for various ETS exposure indices. Confounder-adjusted RRs for COPD were extracted, or derived using standard methods. Meta-analyses were conducted for each exposure index, with tests for heterogeneity and publication bias. For the main index (spouse ever smoked or nearest equivalent), analyses investigated variation in RR by location, publication period, study type, sex, diagnosis, study size, confounder adjustment, never smoker definition, and exposure index definition. Results: Twenty-eight relevant studies were identified; nine European or Middle Eastern, nine Asian, eight American and two from multiple countries. Five were prospective, seven case-control and 16 cross-sectional. The COPD definition involved death or hospitalisation in seven studies, GOLD stage 1+ criteria in twelve, and other definitions in nine. For the main index, random-effects meta-analysis of 33 heterogeneous (p<0.001) estimates gave a RR of 1.20 (95%CI 1.08-1.34). Higher estimates for females (1.59,1.16-2.19, n=11) than males (1.29,0.94-1.76, n=7) or sexes combined (1.10,0.99-1.22, n=15 where sex-specific not available), and lower estimates for studies of 150+ cases (1.08,0.97-1.20, n=13) partly explained the heterogeneity. Estimates were higher for Asian studies (1.34,1.08-1.67, n=10), case-control studies (1.55,1.04-2.32, n=8), and COPD mortality or hospitalisation (1.40,1.12-1.74, n=11). Some increase was seen for severer COPD (1.29,1.10-1.52, n=7). Dose-response evidence was heterogeneous. Evidence for childhood (0.88,0.72-1.07, n=2) and workplace (1.12,0.77-1.64, n=4) exposure was limited, but an increase was seen for overall adulthood exposure (1.20,1.03-1.39, n=17). We discuss study weaknesses that may bias estimation of the association of COPD with ETS. Conclusions: Although the evidence suggests ETS increases COPD, study weaknesses and absence of well-designed large studies precludes reliable inference of causality. More definitive evidence is required.
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Affiliation(s)
- Peter N. Lee
- P.N. Lee Statistics and Computing Ltd, Sutton, Surrey, SM2 5DA, UK
| | - Barbara A. Forey
- P.N. Lee Statistics and Computing Ltd, Sutton, Surrey, SM2 5DA, UK
| | | | - Jan S. Hamling
- P.N. Lee Statistics and Computing Ltd, Sutton, Surrey, SM2 5DA, UK
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Epidemiology of COPD: Why Is the Disease So Poorly Recognized? RESPIRATORY DISEASE SERIES: DIAGNOSTIC TOOLS AND DISEASE MANAGEMENTS 2017. [DOI: 10.1007/978-981-10-0839-9_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Fishwick D, Sen D, Barber C, Bradshaw L, Robinson E, Sumner J. Occupational chronic obstructive pulmonary disease: a standard of care. Occup Med (Lond) 2016; 65:270-82. [PMID: 25972608 DOI: 10.1093/occmed/kqv019] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Consistent evidence from population studies report that 10-15% of the total burden of chronic obstructive pulmonary disease (COPD) is associated with workplace exposures. This proportion of COPD could be eliminated if harmful workplace exposures were controlled adequately. AIMS To produce a standard of care for clinicians, occupational health professionals, employers and employees on the identification and management of occupational COPD. METHODS A systematic literature review was used to identify published data on the prevention, identification and management of occupational COPD. Scottish Intercollegiate Guidance Network grading and the Royal College of General Practitioner three star grading system were used to grade the evidence. RESULTS There are a number of specific workplace exposures that are established causes of COPD. Taking an occupational history in patients or workers with possible or established COPD will identify these. Reduction in exposure to vapours, gases, dusts and fumes at work is likely to be the most effective method for reducing occupational COPD. Identification of workers with rapidly declining lung function, irrespective of their specific exposure, is important. Individuals can be identified at work by accurate annual measures of lung function. CONCLUSIONS Early identification of cases with COPD is important so that causality can be considered and action taken to reduce causative exposures thereby preventing further harm to the individual and other workers who may be similarly exposed. This can be achieved using a combination of a respiratory questionnaire, accurate lung function measurements and control of exposures in the workplace.
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Affiliation(s)
- D Fishwick
- Centre for Workplace Health, Health and Safety Laboratory, Buxton, UK,
| | - D Sen
- Health and Safety Executive, Bootle, Merseyside, UK
| | - C Barber
- Centre for Workplace Health, Health and Safety Laboratory, Buxton, UK
| | - L Bradshaw
- Centre for Workplace Health, Health and Safety Laboratory, Buxton, UK
| | - E Robinson
- Centre for Workplace Health, Health and Safety Laboratory, Buxton, UK
| | - J Sumner
- Centre for Workplace Health, Health and Safety Laboratory, Buxton, UK
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Crotty Alexander LE, Shin S, Hwang JH. Inflammatory Diseases of the Lung Induced by Conventional Cigarette Smoke: A Review. Chest 2016; 148:1307-1322. [PMID: 26135024 DOI: 10.1378/chest.15-0409] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Smoking-induced lung diseases were extremely rare prior to the 20th century. With commercialization and introduction of machine-made cigarettes, worldwide use skyrocketed and several new pulmonary diseases have been recognized. The majority of pulmonary diseases caused by cigarette smoke (CS) are inflammatory in origin. Airway epithelial cells and alveolar macrophages have altered inflammatory signaling in response to CS, which leads to recruitment of lymphocytes, eosinophils, neutrophils, and mast cells to the lungs-depending on the signaling pathway (nuclear factor-κB, adenosine monophosphate-activated protein kinase, c-Jun N-terminal kinase, p38, and signal transducer and activator of transcription 3) activated. Multiple proteins are upregulated and secreted in response to CS exposure, and many of these have immunomodulatory activities that contribute to disease pathogenesis. In particular, metalloproteases 9 and 12, surfactant protein D, antimicrobial peptides (LL-37 and human β defensin 2), and IL-1, IL-6, IL-8, and IL-17 have been found in higher quantities in the lungs of smokers with ongoing inflammation. However, many underlying mechanisms of smoking-induced inflammatory diseases are not yet known. We review here the known cellular and molecular mechanisms of CS-induced diseases, including COPD, respiratory bronchiolitis-interstitial lung disease, desquamative interstitial pneumonia, acute eosinophilic pneumonia, chronic rhinosinusitis, pulmonary Langerhans cell histiocytosis, and chronic bacterial infections. We also discuss inflammation induced by secondhand and thirdhand smoke exposure and the pulmonary diseases that result. New targeted antiinflammatory therapeutic options are currently under investigation and hopefully will yield promising results for the treatment of these highly prevalent smoking-induced diseases.
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Affiliation(s)
- Laura E Crotty Alexander
- Veterans Affairs San Diego Healthcare System; and University of California, San Diego, La Jolla, CA..
| | - Stephanie Shin
- Veterans Affairs San Diego Healthcare System; and University of California, San Diego, La Jolla, CA
| | - John H Hwang
- Veterans Affairs San Diego Healthcare System; and University of California, San Diego, La Jolla, CA
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Vardoulakis S, Dimitroulopoulou C, Thornes J, Lai KM, Taylor J, Myers I, Heaviside C, Mavrogianni A, Shrubsole C, Chalabi Z, Davies M, Wilkinson P. Impact of climate change on the domestic indoor environment and associated health risks in the UK. ENVIRONMENT INTERNATIONAL 2015; 85:299-313. [PMID: 26453820 DOI: 10.1016/j.envint.2015.09.010] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Revised: 07/30/2015] [Accepted: 09/07/2015] [Indexed: 05/25/2023]
Abstract
There is growing evidence that projected climate change has the potential to significantly affect public health. In the UK, much of this impact is likely to arise by amplifying existing risks related to heat exposure, flooding, and chemical and biological contamination in buildings. Identifying the health effects of climate change on the indoor environment, and risks and opportunities related to climate change adaptation and mitigation, can help protect public health. We explored a range of health risks in the domestic indoor environment related to climate change, as well as the potential health benefits and unintended harmful effects of climate change mitigation and adaptation policies in the UK housing sector. We reviewed relevant scientific literature, focusing on housing-related health effects in the UK likely to arise through either direct or indirect mechanisms of climate change or mitigation and adaptation measures in the built environment. We considered the following categories of effect: (i) indoor temperatures, (ii) indoor air quality, (iii) indoor allergens and infections, and (iv) flood damage and water contamination. Climate change may exacerbate health risks and inequalities across these categories and in a variety of ways, if adequate adaptation measures are not taken. Certain changes to the indoor environment can affect indoor air quality or promote the growth and propagation of pathogenic organisms. Measures aimed at reducing greenhouse gas emissions have the potential for ancillary public health benefits including reductions in health burdens related heat and cold, indoor exposure to air pollution derived from outdoor sources, and mould growth. However, increasing airtightness of dwellings in pursuit of energy efficiency could also have negative effects by increasing concentrations of pollutants (such as PM2.5, CO and radon) derived from indoor or ground sources, and biological contamination. These effects can largely be ameliorated by mechanical ventilation with heat recovery (MVHR) and air filtration, where such solution is feasible and when the system is properly installed, operated and maintained. Groups at high risk of these adverse health effects include the elderly (especially those living on their own), individuals with pre-existing illnesses, people living in overcrowded accommodation, and the socioeconomically deprived. A better understanding of how current and emerging building infrastructure design, construction, and materials may affect health in the context of climate change and mitigation and adaptation measures is needed in the UK and other high income countries. Long-term, energy efficient building design interventions, ensuring adequate ventilation, need to be promoted.
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Affiliation(s)
- Sotiris Vardoulakis
- Environmental Change Department, Centre for Radiation, Chemical and Environmental Hazards, Public Health England, Chilton, Oxon OX11 0RQ, UK; Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, 15-17 Tavistock Place, London WC1H 9SH, UK; Division of Environmental Health and Risk Management, School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - Chrysanthi Dimitroulopoulou
- Environmental Change Department, Centre for Radiation, Chemical and Environmental Hazards, Public Health England, Chilton, Oxon OX11 0RQ, UK.
| | - John Thornes
- Environmental Change Department, Centre for Radiation, Chemical and Environmental Hazards, Public Health England, Chilton, Oxon OX11 0RQ, UK; Division of Environmental Health and Risk Management, School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - Ka-Man Lai
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
| | - Jonathon Taylor
- UCL Institute for Environmental Design and Engineering, The Bartlett School of Environment Energy and Resources, University College London, 14 Upper Woburn Place, London WCIH ONN, UK.
| | - Isabella Myers
- Public Health England Toxicology Unit, Department of Medicine, Imperial College London, London W12 0NN, UK.
| | - Clare Heaviside
- Environmental Change Department, Centre for Radiation, Chemical and Environmental Hazards, Public Health England, Chilton, Oxon OX11 0RQ, UK; Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, 15-17 Tavistock Place, London WC1H 9SH, UK; Division of Environmental Health and Risk Management, School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
| | - Anna Mavrogianni
- UCL Institute for Environmental Design and Engineering, The Bartlett School of Environment Energy and Resources, University College London, 14 Upper Woburn Place, London WCIH ONN, UK.
| | - Clive Shrubsole
- UCL Institute for Environmental Design and Engineering, The Bartlett School of Environment Energy and Resources, University College London, 14 Upper Woburn Place, London WCIH ONN, UK.
| | - Zaid Chalabi
- Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, 15-17 Tavistock Place, London WC1H 9SH, UK.
| | - Michael Davies
- UCL Institute for Environmental Design and Engineering, The Bartlett School of Environment Energy and Resources, University College London, 14 Upper Woburn Place, London WCIH ONN, UK.
| | - Paul Wilkinson
- Department of Social and Environmental Health Research, London School of Hygiene and Tropical Medicine, 15-17 Tavistock Place, London WC1H 9SH, UK.
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Henschke CI, Yip R, Boffetta P, Markowitz S, Miller A, Hanaoka T, Wu N, Zulueta JJ, Yankelevitz DF. CT screening for lung cancer: Importance of emphysema for never smokers and smokers. Lung Cancer 2015; 88:42-7. [DOI: 10.1016/j.lungcan.2015.01.014] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 01/16/2015] [Indexed: 12/21/2022]
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Montes de Oca M, López Varela MV, Acuña A, Schiavi E, Rey MA, Jardim J, Casas A, Tokumoto A, Torres Duque CA, Ramírez-Venegas A, García G, Stirbulov R, Camelier A, Bergna M, Cohen M, Guzmán S, Sánchez E. ALAT-2014 Chronic Obstructive Pulmonary Disease (COPD) Clinical Practice Guidelines: questions and answers. Arch Bronconeumol 2015; 51:403-16. [PMID: 25596991 DOI: 10.1016/j.arbres.2014.11.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 11/10/2014] [Accepted: 11/17/2014] [Indexed: 11/17/2022]
Abstract
ALAT-2014 COPD Clinical Practice Guidelines used clinical questions in PICO format to compile evidence related to risk factors, COPD screening, disease prognosis, treatment and exacerbations. Evidence reveals the existence of risk factors for COPD other than tobacco, as well as gender differences in disease presentation. It shows the benefit of screening in an at-risk population, and the predictive value use of multidimensional prognostic indexes. In stable COPD, similar benefits in dyspnea, pulmonary function and quality of life are achieved with LAMA or LABA long-acting bronchodilators, whereas LAMA is more effective in preventing exacerbations. Dual bronchodilator therapy has more benefits than monotherapy. LAMA and combination LABA/IC are similarly effective, but there is an increased risk of pneumonia with LABA/IC. Data on the efficacy and safety of triple therapy are scarce. Evidence supports influenza vaccination in all patients and anti-pneumococcal vaccination in patients <65years of age and/or with severe airflow limitation. Antibiotic prophylaxis may decrease exacerbation frequency in patients at risk. The use of systemic corticosteroids and antibiotics are justified in exacerbations requiring hospitalization and in some patients managed in an outpatient setting.
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Affiliation(s)
- María Montes de Oca
- Hospital Universitario de Caracas, Universidad Central de Venezuela, Caracas, Venezuela.
| | | | - Agustín Acuña
- Hospital Universitario de Caracas, Universidad Central de Venezuela, y Centro Médico Docente La Trinidad, Caracas, Venezuela
| | - Eduardo Schiavi
- Hospital de Rehabilitación Respiratoria «María Ferrer», Buenos Aires, Argentina
| | | | - José Jardim
- Universidade Federal de São Paulo, São Paulo, Brasil
| | | | | | | | | | | | - Roberto Stirbulov
- Facultad de Ciencias Médicas, Santa Casa de San Pablo, São Paulo, Brasil
| | - Aquiles Camelier
- Universidade Federal da Bahia e Escola Bahiana de Medicina, Salvador, Brasil
| | - Miguel Bergna
- Hospital Dr. Antonio Cetrángolo, Vicente López, Buenos Aires, Argentina
| | - Mark Cohen
- Hospital Centro Médico, Guatemala, Guatemala
| | | | - Efraín Sánchez
- Hospital Universitario de Caracas, Universidad Central de Venezuela, y Centro Médico Docente La Trinidad, Caracas, Venezuela
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21
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Hagstad S, Bjerg A, Ekerljung L, Backman H, Lindberg A, Rönmark E, Lundbäck B. Passive smoking exposure is associated with increased risk of COPD in never smokers. Chest 2014; 145:1298-1304. [PMID: 24356778 DOI: 10.1378/chest.13-1349] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Passive smoking, or environmental tobacco smoke (ETS), is a risk factor for lung cancer, cardiovascular disease, and childhood asthma, but a relationship with COPD has not been fully established. Our aim was to study ETS as a risk factor for COPD in never smokers. METHODS Data from three cross-sectional studies within the Obstructive Lung Disease in Northern Sweden (OLIN) database were pooled. Of the 2,182 lifelong never smokers, 2,118 completed structured interviews and spirometry of acceptable quality. COPD was defined according to the GOLD (Global Initiative for Chronic Obstructive Lung Disease) criteria using postbronchodilator spirometry. The association of COPD with ETS in single and multiple settings was calculated by multivariate logistic regression adjusting for known risk factors for COPD. RESULTS COPD prevalence was associated with increased ETS exposure: 4.2% (no ETS), 8.0% (ETS ever at home), 8.3% (ETS at previous work), and 14.7% (ETS ever at home and at both previous and current work), test for trend P = .003. Exclusion of subjects aged ≥ 65 years and subjects reporting asthma yielded similar results. ETS in multiple settings, such as ever at home and at both previous and current work, was strongly associated to COPD (OR, 3.80; 95% CI, 1.29-11.2). CONCLUSIONS In this population-based sample of never smokers, ETS was independently associated with COPD. The association was stronger for ETS in multiple settings. ETS in multiple settings was, after age, the strongest risk factor for COPD and comparable to personal smoking of up to 14 cigarettes/d in comparable materials. The findings strongly advocate measures against smoking in public places.
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Affiliation(s)
- Stig Hagstad
- Krefting Research Centre, Department of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg; Obstructive Lung Disease in Northern Sweden (OLIN) studies, Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå.
| | - Anders Bjerg
- Krefting Research Centre, Department of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg; Obstructive Lung Disease in Northern Sweden (OLIN) studies, Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå
| | - Linda Ekerljung
- Krefting Research Centre, Department of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg
| | - Helena Backman
- Obstructive Lung Disease in Northern Sweden (OLIN) studies, Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå
| | - Anne Lindberg
- Obstructive Lung Disease in Northern Sweden (OLIN) studies, Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå; Department of Public Health and Clinical Medicine, Division of Medicine, Umeå University, Umeå, Sweden
| | - Eva Rönmark
- Obstructive Lung Disease in Northern Sweden (OLIN) studies, Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå; Department of Public Health and Clinical Medicine, Division of Medicine, Umeå University, Umeå, Sweden
| | - Bo Lundbäck
- Krefting Research Centre, Department of Internal Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg; Obstructive Lung Disease in Northern Sweden (OLIN) studies, Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå
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22
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Kim WJ, Song JS, Park DW, Kwak HJ, Moon JY, Kim SH, Sohn JW, Yoon HJ, Shin DH, Park SS, Kim TH. The effects of secondhand smoke on chronic obstructive pulmonary disease in nonsmoking Korean adults. Korean J Intern Med 2014; 29:613-9. [PMID: 25228837 PMCID: PMC4164725 DOI: 10.3904/kjim.2014.29.5.613] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Revised: 03/28/2014] [Accepted: 04/02/2014] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND/AIMS Smoking is widely acknowledged as the single most important risk factor for chronic obstructive pulmonary disease (COPD). However, the risk of COPD in nonsmokers exposed to secondhand smoke remains controversial. In this study, we investigated the association of secondhand smoke exposure with COPD prevalence in nonsmokers who reported never smoking. METHODS This study was based on data obtained from the Korean National Health and Nutrition Examination Surveys (KNHANES) conducted from 2008 to 2010. Using nationwide stratified random sampling, 8,596 participants aged ≥ 40 years of age with available spirometry results were recruited. After selecting participants who never smoked, the duration of exposure to secondhand smoke was assessed based on the KNHANES questionnaire. RESULTS The prevalence of COPD was 6.67% in participants who never smoked. We divided the participants who had never smoked into those with or without exposure to secondhand smoke. The group exposed to secondhand smoke was younger with less history of asthma and tuberculosis, higher income, and higher educational status. Multivariate logistic regression analysis determined that secondhand smoke did not increase the prevalence of COPD. CONCLUSIONS There was no significant difference in the prevalence of COPD between participants who had never smoked with or without exposure to secondhand smoke in our study. Thus, secondhand smoke may not be an important risk factor for the development of COPD in patients who have never smoked.
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Affiliation(s)
- Woong Jun Kim
- Department of Internal Medicine, Chunggoo Sungsim Hospital, Seoul, Korea
| | - June Seok Song
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Dong Won Park
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Hyun Jung Kwak
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Ji-Yong Moon
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Sang-Heon Kim
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Jang Won Sohn
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Ho Joo Yoon
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Dong Ho Shin
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Sung Soo Park
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Tae-Hyung Kim
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
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23
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Scholes S, Moody A, Mindell JS. Estimating population prevalence of potential airflow obstruction using different spirometric criteria: a pooled cross-sectional analysis of persons aged 40-95 years in England and Wales. BMJ Open 2014; 4:e005685. [PMID: 25056983 PMCID: PMC4120415 DOI: 10.1136/bmjopen-2014-005685] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
OBJECTIVES Consistent estimation of the burden of chronic obstructive pulmonary disease (COPD) has been hindered by differences in methods, including different spirometric cut-offs for impaired lung function. The impact of different definitions on the prevalence of potential airflow obstruction, and its associations with key risk factors, is evaluated using cross-sectional data from two nationally representative population surveys. DESIGN Pooled cross-sectional analysis of Wave 2 of the UK Household Longitudinal Survey and the Health Survey for England 2010, including 7879 participants, aged 40-95 years, who lived in England and Wales, without diagnosed asthma and with good-quality spirometry data. Potential airflow obstruction was defined using self-reported physician-diagnosed COPD; a fixed threshold (FT) forced expiratory volume in 1 s/forced vital capacity (FEV1/FVC) ratio <0.7 and an age-specific, sex-specific, height-specific and ethnic-specific lower limit of normal (LLN). Standardised questions elicited self-reported information on demography, smoking history, ethnicity, occupation, respiratory symptoms and cardiovascular disease. RESULTS Consistent across definitions, participants classed with obstructed airflow were more likely to be older, currently smoke, have higher pack-years of smoking and be engaged in routine occupations. The prevalence of airflow obstruction was 2.8% (95% CI 2.3% to 3.2%), 22.2% (21.2% to 23.2%) and 13.1% (12.2% to 13.9%) according to diagnosed COPD, FT and LLN, respectively. The gap in prevalence between FT and LLN increased in older age groups. Sex differences in the risk of obstruction, after adjustment for key risk factors, was sensitive to the choice of spirometric cut-off, being significantly higher in men when using FT, compared with no significant difference using LLN. CONCLUSIONS Applying FT or LLN spirometric cut-offs gives a different picture of the size and distribution of the disease burden. Longitudinal studies examining differences in unscheduled hospital admissions and risk of death between FT and LLN may inform the choice as to the best way to include spirometry in assessments of airflow obstruction.
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Affiliation(s)
- Shaun Scholes
- Health and Social Surveys Research Group, Research Department of Epidemiology and Public Health, University College London, London, United Kingdom
| | - Alison Moody
- Health and Social Surveys Research Group, Research Department of Epidemiology and Public Health, University College London, London, United Kingdom
| | - Jennifer S Mindell
- Health and Social Surveys Research Group, Research Department of Epidemiology and Public Health, University College London, London, United Kingdom
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24
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Sekine Y, Yanagibori R, Suzuki K, Sugiyama S, Yamaji H, Ishibashi M, Fujisawa T. Surveillance of chronic obstructive pulmonary disease in high-risk individuals by using regional lung cancer mass screening. Int J Chron Obstruct Pulmon Dis 2014; 9:647-56. [PMID: 25018628 PMCID: PMC4075235 DOI: 10.2147/copd.s62053] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Background and objective Patients with chronic obstructive pulmonary disease (COPD) are at risk for lung cancer; the diseases have common etiologies, including cigarette smoking. We aimed to clarify the effectiveness of COPD detection using a regional mass-screening program for lung cancer. Materials and methods A total of 7,067 residents of Togane, Chiba, Japan received lung cancer screening between May and July, 2011. We defined four groups of possible COPD candidates: group A (n=358), positive smoking history, positive chronic respiratory symptoms; group B (n=766), positive smoking history, positive lifestyle-related disease; group C (n=75), passive smoking history, positive chronic respiratory symptoms; and group D (n=301), passive smoking history, positive lifestyle-related disease. Candidates underwent on-site pulmonary function testing (PFT). Results The criteria for COPD candidates were fulfilled in 1,686 of 7,067 individuals (23.9%); 1,500 participants underwent PFT (89%), and 171 (11.4%) were diagnosed with COPD. The overall COPD detection rate was 2.4%. The frequency of COPD was significantly higher in groups A and B than in groups C and D (P=0.048); however, the distribution of COPD grades was similar among the groups (P=0.372). Multiple logistic regression analysis identified male sex, age 60 years or greater, and positive smoking history as risk factors for COPD. Conclusion COPD screening using a community-based lung cancer-screening program may be effective for disease detection. Individuals who are 60 years of age or older with a positive smoking history should undergo PFT to detect COPD.
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Affiliation(s)
- Yasuo Sekine
- Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
| | - Ryoko Yanagibori
- Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
| | - Kiminori Suzuki
- Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
| | - Sonomi Sugiyama
- Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
| | - Haruko Yamaji
- Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
| | - Michiko Ishibashi
- Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
| | - Takehiko Fujisawa
- Chiba Foundation for Health Promotion and Disease Prevention, Chiba, Japan
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25
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KIM Y, CHO WK, EVANGELISTA LS. Effect of Second-Hand Smoke Exposure on Lung Function among Non-Smoking Korean Women. IRANIAN JOURNAL OF PUBLIC HEALTH 2013; 42:1363-73. [PMID: 26060638 PMCID: PMC4441933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Accepted: 10/15/2013] [Indexed: 11/09/2022]
Abstract
BACKGROUND Previous literature has implicated that there might be an individual susceptibility difference in terms of race/ethnicity and gender in response to second hand smoke (SHS) exposure. This study was done to examine the effect of SHS exposure on lung function in non-smoking Korean women. METHODS This cross-sectional study was conducted using the Korea National Health and Nutrition Examination Survey (KNHANES) from 2008-2011. A total of 2,513 female participants, age 40 yr and older, with no respiratory symptoms or prior lung diseases, were included in this study. Participants' smoking status was examined using both self-reported history and measurement of urinary cotinine level. Lung function was assessed using spirometry data, including FVC and FEV1. T-test and Chi-square tests were performed to compare diverse variables between groups. Analysis of covariance (ANCOVA) adjusted for age, height, alcohol consumption, and level of exercise was used to see any statistical differences in lung function parameters between non-SHS exposed and SHS-exposed groups. RESULTS Among 2,513 non-smoking females, 767 (30.5%) were SHS-exposed. The urinary cotinine levels clearly distinguished SHS exposure, and the mean urinary cotinine levels were 7.1±0.4 and 11±0.7 in non-SHS exposed group vs. SHS-exposed group, respectively (P < 0.001). Urinary cotinine levels were correlated with duration of SHS exposure. However, both groups had normal lung function and there was no significant difference between the two groups in lung function. CONCLUSIONS Urinary cotinine is a valuable marker of SHS exposure. Korean women may have higher tolerance for SHS exposure-induced lung function decline.
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Affiliation(s)
- Youngmee KIM
- 1. Red Cross College of Nursing, Chung-Ang University, Seoul, Korea,* Corresponding Author:
| | - Won-Kyung CHO
- 2. Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale University School of Medicine, New New Haven, USA
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