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Nuisances sonores
Trop souvent, le bruit reste le parent pauvre de la prévention. Soit il est ignoré, soit il ne fait l'objet que d'une protection individuelle à travers les casques et bouchons d'oreilles. Pourtant, ce risque aux conséquences diverses, de la gêne, source de mal-être, à la lésion irréversible, en fonction de sa puissance, peut être traité facilement. Trois millions de salariés exposés. Près de six actifs sur dix qui se disent gênés sur leur lieu de travail, tous secteurs confondus...
Cloueuses portatives - Développement de méthodes de diagnostic vibratoire et acoustique
Le fonctionnement des cloueuses portatives étant basé sur un processus d'impact visant à enfoncer un clou, l'utilisation de ces outils expose les travailleurs à des bruits et à des vibrations à caractère impulsionnel, en générant des niveaux très élevés pendant un très court laps de temps. Par ailleurs, l'exposition aux bruits et aux vibrations impulsionnels engendre un risque de développer des maladies professionnelles. Des échanges avec l'Association paritaire pour la santé...
Occupational Noise-Induced Hearing Loss
Occupational hearing loss is preventable through a hierarchy of controls, which prioritize the use of engineering controls over administrative controls and personal protective equipment. The occupational and environmental medicine (OEM) physician plays a critical role in the prevention of occupational noise-induced hearing loss (NIHL). This position statement clarifies current best practices in the diagnosis of occupational NIHL. Source: Mirza, R., Kirchner, D. B., Dobie, R. A., Crawford, J. et ACOEM Task Force on Occupational Hearing Loss. (2018). Journal of Occupational and Environmental Medicine...
Exposure to loud noise and risk of vestibular schwannoma
Results from the INTERPHONE international case-control study Objective: Studies of loud noise exposure and vestibular schwannomas (VS) have shown conflicting results. The population-based INTERPHONE case?control study was conducted in 13 countries during 2000–2004. In this paper, we report the results of analyses on the association between VS and self-reported loud noise exposure. Methods: Self-reported noise exposure was analyzed in 1024 VS cases and 1984 matched controls. Life-long noise exposure was estimated through detailed questions. Odds ratios (OR) and 95% confidence intervals (CI...
Canadiens vulnérables au bruit en milieu de travail
Contexte : Les lois relatives à la santé et à la sécurité visent à protéger les travailleurs des dangers, y compris du bruit excessif. Cependant, certains travailleurs ne sont pas tenus d'utiliser des dispositifs de protection de l'ouïe en cas d'exposition à du bruit intense et ils peuvent en subir les répercussions néfastes, notamment des troubles auditifs et des acouphènes. Données et méthodes : Les données pour les personnes âgées de 19 à 79 ans (n = 6 571) ont...
Control of noise risk in the printing industry
Machinery used in the printing industry is inherently noisy. Noise levels in this industry have the potential to cause work-related hearing damage, if the risks are not properly assessed and managed. HSE has undertaken a study of noise levels and exposures in the printing industry, to determine noise risks and identify control measures. The noise levels measured in this study indicate that print workers are exposed to hazardous levels of noise: 93% of the study population had noise exposure estimates exceeding the lower exposure action value (LEP,d 80 dB) specified in the Control of Noise at Work...
Use of the kurtosis statistic in an evaluation of the effects of noise and solvent exposures on the hearing thresholds of workers
An exploratory study The aim of this exploratory study was to examine whether the kurtosis metric can contribute to investigations of the effects of combined exposure to noise and solvents on human hearing thresholds. Twenty factory workers exposed to noise and solvents along with 20 workers of similar age exposed only to noise in eastern China were investigated using pure-tone audiometry (1000–8000 Hz). Exposure histories and shift-long noise recording files were obtained for each participant. The data were used in the calculation of the cumulative noise exposure (CNE) and CNE adjusted...
Cardiovascular conditions, hearing difficulty, and occupational noise exposure within US industries and occupations
Background: The purpose of this study was to estimate the prevalence of occupational noise exposure, hearing difficulty and cardiovascular conditions within US industries and occupations, and to examine any associations of these outcomes with occupational noise exposure. Methods: National Health Interview Survey data from 2014 were examined. Weighted prevalence and adjusted prevalence ratios of self-reported hearing difficulty, hypertension, elevated cholesterol, and coronary heart disease or stroke were estimated by level of occupational noise exposure, industry, and occupation. Results: Twenty...
Occupational Noise Exposure and the Risk for Work-Related Injury
A Systematic Review and Meta-analysis Objectives: Occupational noise exposure has been linked to work-related injuries. Strategies to control occupational hazards often rely on dose-response relationships needed to inform policy, but quantitative synthesis of the relevant literature has not been done so far. This study aimed to systematically review the epidemiological literature and to perform meta-analysis of the risk for work-related injury due to occupational noise exposure. Methods: PRISMA and MOOSE guidelines were followed. PubMed, ScienceDirect, and Google Scholar were searched up until...
Hearing loss associated with repeated MRI acquisition procedure-related acoustic noise exposure
An occupational cohort study Objective: To study the effects of repeated exposure to MRI-related acoustic noise during image acquisition procedures (scans) on hearing. Methods: A retrospective occupational cohort study was performed among workers of an MRI manufacturing facility (n=474). Longitudinal audiometry data from the facility's medical surveillance scheme collected from 1973 to 2010 were analysed by studying the association of cumulative exposure to MRI-related acoustic noise from voluntary (multiple) MRI scans and the hearing threshold of the volunteer. Results: Repeated acoustic noise...
Mesure de la fatigue auditive chez les téléopérateurs travaillant avec un casque téléphonique
L'étude a été menée dans 5 centres d'appels (service client, assistance technique et urgence médicale) chez des salariés travaillant avec un casque téléphonique. L'objectif de l'étude était de déterminer si cette population souffrait de fatigue auditive à la fin d'une journée de travail et si le mode d'exposition au bruit : sous casque ou exposition environnementale, pouvait influencer la fatigue. L'audition des volontaires a été évaluée avant et après...
Performance acoustique des alarmes de recul tonales et large bande en milieu ouvert en vue d’une utilisation optimale
Ce rapport fait état de travaux portant sur l'audibilité et la localisation auditive des deux grands types d'alarmes de recul (tonale [« bip-bip »] et à large bande de fréquences [« pshit-pshit »]), le fonctionnement des alarmes à niveau autoajustable et l'effet du positionnement des alarmes sur la distribution sonore à l'arrière des véhicules, en vue de favoriser une utilisation optimale de ces dispositifs et de minimiser les risques d'accidents liés au recul des véhicules. Les deux...
Burden of disease from road traffic and railway noise
A quantification of healthy life years lost in Sweden This paper provides the first estimation of the health burden in terms of disability-adjusted life-years (DALY) of noise from the transport sector in Sweden. Assessments of health impacts of noise on a national level are still rare, but provide valuable tools for policymakers in order to prevent and abate environmental noise exposure. Source: Eriksson, C., Bodin, T., & Selander, J. (2017). Scandinavian Journal of Work, Environment & Health . http://dx.doi.org/10.5271/sjweh.3653
Performance d’outils de modélisation pour la résolution de deux problématiques de bruit et de vibrations de type impulsionnel
Dans divers secteurs d'activité professionnelle comme les mines, la construction, la transformation de métaux, la forêt, l'agriculture, l'aéronautique, la police, etc., le bruit et les vibrations sont souvent de nature impulsionnelle, c'est-à-dire que les nuisances se traduisent généralement par des niveaux très élevés pendant une courte durée, et elles sont alors potentiellement très dangereuses pour les travailleurs exposés. Une stratégie efficace de lutte contre ces agents nocifs...
Noise-Induced Hearing Loss Among Adults - United States 2011–2012
Introduction: The 2016 National Academies of Sciences report “Hearing Health Care for Adults: Priorities for Improving Access and Affordability” included a call to action for government agencies to strengthen efforts to collect, analyze, and disseminate population-based data on hearing loss in adults. Methods: CDC analyzed the most recent available data collected both by questionnaire and audiometric tests of adult participants aged 20–69 years in the 2011–2012 National Health and Nutrition Examination Survey (NHANES) to determine the presence of audiometric notches indicative...
New NIOSH Sound Level Meter App
Imagine if workers around the world could collect and share workplace (or task-based) noise exposure data using their smartphones. Scientists and occupational safety and health professionals could rely on such shared data to build job exposure databases and promote better hearing health and prevention efforts. In addition, the ability to acquire and display real-time noise exposure data could raises workers' awareness about their work environment and help them make informed decisions about potential hazards to their hearing. Source: https://blogs.cdc.gov/niosh-science-blog/2017/01/17/slm-app...
Noise risk as described in instructions supplied with printing machinery
The printing industry uses a wide range of noisy machines that have the potential to damage workers' hearing if the risks are not effectively managed. Users need information that represents noise emissions during the intended uses of the machine, to enable an assessment and the management of the associated noise risks. There is a legal requirement under the Supply of Machinery (Safety) Regulations 2008 for machinery manufacturers to provide declared noise emissions in instruction manuals. (This legislation implements the EU Machinery Directive 2006/42/EC). However, there is a lack of information...
Reproduction d'environnements sonores industriels en vue d’applications aux études d’audibilité des alarmes et autres signaux sonores pour la santé et la sécurité du travail
Preuve de concept Cette étude avait comme objectif d'examiner la possibilité d'utiliser les méthodes actuelles de reproduction de champs sonores en vue de recréer, en laboratoire, des environnements sonores représentatifs d'environnements de travail, évitant de ce fait les problèmes multiples liés aux tests sur le terrain. La possibilité d'utiliser de telles techniques pour effectuer des essais avec sujets humains dans un futur rapproché est envisagée. Un exemple concret de tels essais serait l'étude...
Maternal Occupational Exposure to Noise during Pregnancy and Hearing Dysfunction in Children
A Nationwide Prospective Cohort Study in Sweden Background: Many women of childbearing age are occupationally active, which leads to a large number of pregnancies potentially exposed to occupational exposures. Occupational noise has been identified as a risk factor for hearing impairment in adults. However, very few studies have assessed the effect of occupational noise on the fetus. Objectives: The aim of this study was to investigate whether occupational exposure to noise during pregnancy is associated with hearing dysfunction in children. Methods: This population based cohort study included...
Situation au travail des personnes touchées par des acouphènes et/ou de l'hyperacousie
Cet article propose d'étudier les conditions de travail et l'impact du travail sur la santé d'une population mal connue, celle des personnes très gênées par des troubles de l'audition tels que des acouphènes ou de l'hyperacousie. Les données, issues du Baromètre Santé Sourds et Malentendants (BSSM) de l'Institut national de prévention et d'éducation pour la santé (INPES, devenu en 2016 Santé Publique France), fournissent des résultats sur la perception des conditions de travail...
Assessing High-Noise Areas
Industrial hygienists are challenged to protect employees from noise exposure in all types of work environments, including variable conditions. This project completed a baseline noise assessment at the Dow Northeast Technology Center's mechanical areas. Source: https://ohsonline.com/Articles/2016/05/01/Assessing-High-Noise-Areas
Effect of noise on comfort in open-plan offices
Application of an assessment questionnaire Open-plan offices account for 60% of French office workspaces. The noise levels recorded in this type of environment are much lower than those encountered in industrial workplaces. Nevertheless, surveys show that noise is considered by employees as the main source of discomfort. A first questionnaire dedicated to noise discomfort was produced in 2013 and tested on a panel made up of 217 people working in 7 French companies. Today, it also makes it possible to address the issues of fatigue related to ambient sound, but above all, the survey aims to study...
Special Issue on Workplace Noise and Vibration
Noise and vibration in the workplace have been known health hazards for many, many years and most countries have had regulations or guidance material for decades. However, sadly, we have not yet succeeded in defeating these problems. The WHO estimates that over 360 million people in the world live with disabling hearing loss with about 16% being due to noise. In Australia the latest NIHL claims data from Safe Work Australia (SWA) show a significant downward trend from 2012. Unfortunately, on closer investigation, nearly all the reduction was due to NSW where there had been a change in the eligibility...
Noise peaks influence communication in the operating room
An observational study Noise peaks are powerful distractors. This study focuses on the impact of noise peaks on surgical teams' communication during 109 long abdominal surgeries. We related measured noise peaks during 5-min intervals to the amount of observed communication during the same interval. Results show that noise peaks are associated with less case-relevant communication; this effect is moderated by the level of surgical experience; case-relevant communications decrease under high noise peak conditions among junior, but not among senior surgeons. However, case-irrelevant communication...
Hearing Loss and Noise Exposure Among Commercial Fishermen in the Gulf Coast
Objective: Noise is a hazard in commercial fishing. This cross-sectional study associates occupational noise exposure with hearing loss in commercial fishermen. Methods: A comprehensive survey and audiometric testing were administered to 227 participants in the Gulf Coast. Sound-level measurements were obtained aboard a sample of fishing vessels. Criteria specific for hearing impairment (HI) and noise-induced hearing loss (NIHL) were applied to each audiogram. Results: The majority of these fishermen work shifts more than 16 hours for an extended duration. Hazardous noise levels were measured in...
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