Parcourir par tags

Tous les tags » Poumon (RSS)
Agents fibrogènes et cancérogènes dans les mines d’or et de fer du Québec - Étude exploratoire
De récentes études ont mis en évidence que les travailleurs des mines d’or du Dakota et des mines de fer du Minnesota sont exposés à des particules minérales allongées (PMA). En particulier, les mineurs du Minnesota présentent un risque plus élevé de décès par cancer du poumon, par mésothéliome et par maladies cardiaques que la population générale. Comme l’intérêt renouvelé pour l’exploration de nouveaux gisements d’or et de fer dans le Nord...
Cleaning at Home and at Work in Relation to Lung Function Decline and Airway Obstruction
Rationale: Cleaning tasks may imply exposure to chemical agents with potential harmful effects to the respiratory system, and increased risk of asthma and respiratory symptoms among professional cleaners and in persons cleaning at home has been reported. Long-term consequences of cleaning agents on respiratory health are, however, not well described. Objectives: This study aimed to investigate long-term effects of occupational cleaning and cleaning at home on lung function decline and airway obstruction. Methods: The European Community Respiratory Health Survey (ECRHS) investigated a multicenter...
Burden of lung cancer attributable to occupational diesel engine exhaust exposure in Canada
Objective: To estimate the population attributable fraction (PAF) and number of incident and fatal lung cancers in Canada from occupational exposure to diesel engine exhaust (DEE). Methods: DEE exposure prevalence and level estimates were used with Canadian Census and Labour Force Survey data to model the exposed population across the risk exposure period (REP, 1961–2001). Relative risks of lung cancer were calculated based on a meta-regression selected from the literature. PAFs were calculated using Levin's equation and applied to the 2011 lung cancer statistics obtained from the Canadian...
Cleaning at Home and at Work in Relation to Lung Function Decline and Airway Obstruction
Rationale: Cleaning tasks may imply exposure to chemical agents with potential harmful effects to the respiratory system, and increased risk of asthma and respiratory symptoms among professional cleaners and in persons cleaning at home has been reported. The long-term consequences of cleaning agents on respiratory health are, however, not well described. Objectives: This paper aims to investigate long-term effects of occupational cleaning and cleaning at home on lung function decline and chronic airway obstruction. Methods: The ECRHS study has investigated a multi-centre population based cohort...
Cas incidents des maladies à déclaration obligatoire reliées à une exposition professionnelle à l’amiante dans le Système MADO-Chimique, Québec, 2006 – 2015
L'analyse des 2 234 cas incidents de maladies à déclaration obligatoire (MADO) reliées à une exposition professionnelle à l'amiante enregistrés dans le système MADO-Chimique entre 2006 et 2015 montre que : 98 % des cas sont des hommes. Chez les femmes, les mésothéliomes sont les maladies reliées à l'exposition à l'amiante les plus fréquentes, alors que chez les hommes ce sont les amiantoses qui prédominent. Près de 60 % des cas d'amiantose, près de 50 % des cas de...
Progressive Massive Fibrosis in Coal Miners From 3 Clinics in Virginia
Since 1970, the Coal Workers' Health Surveillance Program (CWHSP), administered by the National Institute for Occupational Safety and Health, has offered periodic chest radiographs to working US coal miners.1 The primary purpose of the CWHSP is early detection of coal workers' pneumoconiosis to prevent progression to disabling lung disease, including progressive massive fibrosis (PMF). By the late 1990s, PMF was rarely identified among miners participating in the CWHSP. However, a 2014 report documented an increase in the prevalence of PMF in Appalachia.2 On February 1, 2017, the director...
Coal miner participation in a job transfer program designed to prevent progression of pneumoconiosis, United States, 1986–2016
The Part 90 program was designed to prevent progression of pneumoconiosis in U.S. coal miners by establishing their right to transfer to a less dusty job in the mine. We calculated the proportion of Part 90-eligible miners who participated during 1986–2016, examined participation by region, and compared characteristics of miners by participation status. Of the 3,547 eligible miners, 14.4% exercised their Part 90 option. Miners working in states outside central Appalachia, and those with more severe pneumoconiosis, were more likely to participate. The primary goal of respiratory health surveillance...
Mesothelioma incidence and asbestos exposure in Italian national priority
Objectives This study aimed to (i) describe mesothelioma incidence in the Italian national priority contaminated sites (NPCS) on the basis of data available from the Italian National Mesothelioma Registry (ReNaM) and (ii) profile NPCS using Bayesian rank analysis. Methods: Incident cases of mesothelioma and standardized incidence ratios (SIR) were estimated for both genders in each of the 39 selected NPCS in the period 2000–2011. Age-standardized rates of Italian geographical macro areas were used to estimate expected cases. Rankings of areas were produced by a hierarchical Bayesian model...
Occupational exposures to solvents and metals are associated with fixed airflow obstruction
Our study is the first to investigate the associations between exposures to solvents and metals using lifetime work history calendars and fixed airflow obstruction (AO). We have shown that increasing cumulative exposure-unit years to chlorinated solvents is associated with fixed AO. We found that women were at increased risk of fixed AO with increasing cumulative exposed-unit-years to chlorinated solvents but not men. Source: Alif SM, Dharmage SC, Benke G, Dennekamp M, Burgess JL, Perret, Lodge CJ, Morrison S, Johns DP?, Giles GG, Gurrin LC, Thomas PS, Hopper JL, Wood-Baker R, Thompson BR, Feather...
Resurgence of Progressive Massive Fibrosis in Coal Miners - Eastern Kentucky, 2016
The prevalence of coal workers' pneumoconiosis fell precipitously after implementation of the Coal Mine Health and Safety Act and reached historic lows in the 1990s, with the most severe form, progressive massive fibrosis (PMF), nearly eradicated. Since that time, increases in the prevalence and severity of coal workers' pneumoconiosis have occurred, especially in central Appalachia. During January 1, 2015–August 17, 2016, a total of 60 patients identified through a single radiologist's practice had radiographic findings consistent with PMF; 49 had their radiograph taken during...
Exposure to metal oxide nanoparticles administered at occupationally relevant doses induces pulmonary effects in mice
In spite of the great promises that the development of nanotechnologies can offer, concerns regarding potential adverse health effects of occupational exposure to nanoparticle (NP) is raised. We recently identified metal oxide NP in lung tissue sections of welders, located inside macrophages infiltrated in fibrous regions. This suggests a role of these NP in the lung alterations observed in welders. We therefore designed a study aimed to investigate the pulmonary effects, in mice, of repeated exposure to NP administered at occupationally relevant doses. We therefore chose four metal oxide NPs representative...
Lung Cancer Among Firefighters
Smoking-Adjusted Risk Estimates in a Pooled Analysis of Case-Control Studies Objectives: The aim of this study was to explore lung cancer risk among firefighters, with adjustment for smoking. Methods: We used pooled information from the SYNERGY project including 14 case-control studies conducted in Europe, Canada, New Zealand, and China, with lifetime work histories and smoking habits for 14,748 cases of lung cancer and 17,543 controls. We estimated odds ratios by unconditional logistic regression with adjustment for smoking and having ever been employed in a job known to present an excess risk...
Risk of hypersensitivity pneumonitis and interstitial lung diseases among pigeon breeders
We studied the risk of hypersensitivity pneumonitis and other interstitial lung diseases (ILDs) among pigeon breeders. This is a retrospective follow-up study from 1980 to 2013 of 6920 pigeon breeders identified in the records of the Danish Racing Pigeon Association. They were compared with 276?800 individually matched referents randomly drawn from the Danish population. Hospital based diagnoses of hypersensitivity pneumonitis and other ILDs were identified in the National Patient Registry 1977–2013. Stratified Cox regression analyses estimated the hazard ratios (HR) of hypersensitivity pneumonitis...
Professional Cleaning Activities and Lung Cancer Risk Among Women
Results From the ICARE Study Objectives: Lung cancer risk associated with occupational cleaning activities has been investigated in the population-based case–control study ICARE. Methods: Occupational history was collected by standardized interviews. Jobs were first defined according to the International Standard Classification of Occupations (ISCO) codes and then categorized according to activity sectors. Adjusted odds ratios (ORs) were estimated by unconditional logistic regression, separately for women (619 cases and 760 controls) and men (2265 and 2780). Results: Thirty percent of women...
Pulmonary illness as a consequence of occupational exposure to shrimp shell powder
OBJECTIVES: An employee with no prior history of allergy or asthma, experienced respiratory and flu-like symptoms during production of shrimp shell powder in a seafood savory factory in Norway. We aimed to clarify the diagnosis and to identify the cause of the symptoms by specific inhalation challenge (SIC) and by characterizing the powder's biocontaminants, particle size fractions and inflammatory potential. METHODS: Respiratory and immunological responses were measured the day before and after each of four challenges with 20-150g shrimp shell powder during three consecutive days. The powder...
Surveillance médico-professionnelle des travailleurs exposés ou ayant été exposés à des agents cancérogènes pulmonaires
Ces recommandations de bonnes pratiques ont pour objectif de définir la surveillance médicoprofessionnelle des travailleurs exposés ou ayant été exposés à des agents cancérogènes pulmonaires, en répondant notamment aux interrogations des professionnels de santé et des travailleurs sur l'opportunité de les faire bénéficier d'un dépistage du cancer broncho-pulmonaire. Élaborées à la demande de la Direction générale du travail par la Société...
Diesel Emissions and Lung Cancer
An Evaluation of Recent Epidemiological Evidence for Quantitative Risk Assessment This report contains the intensive review and analysis of the newest studies of mine and truck workers exposed to older diesel engine exhaust conducted by an Expert Panel appointed by the HEI Board of Directors. In its report, HEI's Diesel Epidemiology Panel concluded that the studies are well prepared and are useful for applying the data to calculate the cancer risk due to exposure to diesel exhaust. The Panel noted, however, that efforts to apply these studies to estimate human risk at today's ambient levels...
A case-control study of airways obstruction among construction workers
Background: While smoking is the major cause of chronic obstructive pulmonary disease (COPD), occupational exposures to vapors, gases, dusts, and fumes (VGDF) increase COPD risk. This case-control study estimated the risk of COPD attributable to occupational exposures among construction workers. Methods: The study population included 834 cases and 1243 controls participating in a national medical screening program for older construction workers between 1997 and 2013. Qualitative exposure indices were developed based on lifetime work and exposure histories. Results: Approximately 18% (95%CI ...
Lung cancer among coal miners, ore miners and quarrymen
Smoking-adjusted risk estimates from the synergy pooled analysis of case–control studies Objectives: Working in mines and quarries has been associated with an elevated lung cancer risk but with inconsistent results for coal miners. This study aimed to estimate the smoking-adjusted lung cancer risk among coal miners and compare the risk pattern with lung cancer risks among ore miners and quarrymen. Methods: We estimated lung cancer risks of coal and ore miners and quarrymen among 14 251 lung cancer cases and 17 267 controls from the SYNERGY pooled case–control study, controlling for...
Biomarkers for Lung Epithelium Injury in Occupational Hexavalent Chromium-Exposed Workers
Objective: To evaluate whether Club (Clara) cell protein (CC16) and surfactant-associated protein D (SP-D) can be used as biomarkers for lung injury caused by chromium exposure. Methods: The concentrations of chromium in the air (CrA), chromium in the blood (CrB), lung function, CC16, SP-D, tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) were detected in 91 chromium-exposed workers and 38 controls. Results: In chromium-exposed group, the levels of CrA, CrB, SP-D, TNF-α, and IL-6 were significantly higher, whereas forced expiratory volume in one second (FEV1), FEV1/FVC...
Occupational exposure to wood dust and risk of lung cancer in two population-based case-control studies in Montreal, Canada
Background: Wood dust is one of the oldest and one of the most common occupational exposures in the world. The present analyses examine the effect of lifetime exposure to wood dust in diverse occupational settings on lung cancer risk. Methods: We conducted two population-based case–control studies in Montreal: Study I (1979–1986) included 857 cases and two sets of controls (533 population and 1349 cancer controls), and Study II (1996–2001) comprised 736 cases and 894 population controls. Detailed job histories were obtained by interview and each job was evaluated by expert chemist–hygienists...
Exposure to chlorinated solvents and lung cancer
Results of the ICARE study Objective: To investigate the role of occupational exposure to chlorinated solvents in lung cancer aetiology. Methods: ICARE (Investigation of occupational and environmental CAuses of REspiratory cancers) is a French, multicentre, population-based, case–control study. Information on the lifelong work history of 2926 cases and 3555 controls was collected using standardised questionnaires. Occupational exposures were assessed using job-exposure matrices for five chlorinated solvents. Solvents were studied separately and in combinations. ORs were computed using unconditional...
Expression Levels of Surfactant-Associated Proteins and Inflammation Cytokines in Serum and Bronchoalveolar Lavage Fluid Among Coal Miners
A Case-Control Study Objective: To investigate whether the Th1/Th2 balance and expressions of surfactant-associated proteins and cytokines in serum and bronchoalveolar lavage fluid (BALF) are associated with the development of coal workers' pneumoconiosis (CWP). Methods: A case-control study was conducted among 72 CWP cases and 68 controls. Th1 and Th2 populations were measured by flow cytometry. Expressions of surfactant-associated proteins A and D (SPA and SPD) and cytokines in serum and BALF were detected by enzyme-linked-immunosorbent serologic assay. Data were analyzed by t test and logistic...
Research shows that early workplace screening can play a key role in preventing occupational asthma and lung disease.
Anyone with asthma will tell you just how uncomfortable and frightening the respiratory disease can be. The narrowing of the airways causes difficulty breathing, shortness of breath, tightness in the chest, wheezing, coughing, and exhaustion. When a substance or condition in the workplace causes the chronic condition, it's known as occupational asthma. New research indicates that early changes in lung function are a predictor of this and other lung diseases. It also shows there's much more employers can do to screen those at risk of developing lung problems and provide comprehensive exposure...
Occupational chronic obstructive pulmonary disease
A systematic literature review Objective : Occupational-attributable chronic obstructive pulmonary disease (COPD) presents a substantial health challenge. Focusing on spirometric criteria for airflow obstruction, this review of occupational COPD includes both population-wide and industry-specific exposures. Methods : We used PubMed and Embase to identify relevant original epidemiological peer-reviewed articles, supplemented with citations identified from references in key review articles. This yielded 4528 citations. Articles were excluded for lack of lung function measurement, insufficient occupational...
Plus de Messages Page suivante »

Abonnement courriel

Messages récents

Catégories

Mots-Clés (Tags)

Blogoliste

Archives