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Prevalence of hearing loss among noise-exposed workers within the Mining and Oil and Gas Extraction sectors, 2006-2015
Background: The purpose of this study was to estimate the prevalence of hearing loss (HL) among noise‐exposed US workers within the Mining, and Oil and Gas Extraction (OGE) sectors. Methods: Audiograms of 1.9 million workers across all industries (including 9389 in Mining and 1076 in OGE) from 2006 to 2015 were examined. Prevalence and adjusted risk as compared to a reference industry (Couriers and Messengers) were estimated for all industries combined and the Mining and OGE sectors and subsectors. Results: The prevalences of HL in Mining and OGE were 24% and 14%, respectively, compared with 16...
Working in preschool increases the risk of hearing-related symptoms
A cohort study among Swedish women Purpose: To assess whether working in preschools increases the risk of hearing-related symptoms and whether age, occupational noise, and stressful working conditions affect the risk. Methods: Questionnaire data on hearing-related symptoms were analysed in women aged 24–65 (4718 preschool teachers, and 4122 randomly selected general population controls). Prevalence and risk ratio (RR) of self-reported hearing loss, tinnitus, difficulty perceiving speech, hyperacusis and sound-induced auditory fatigue were assessed by comparing the cohorts in relation to age...
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...
The impact of workload on the ability to localize audible alarms
Very little is known about people's ability to localize sound under varying workload conditions, though it would be expected that increasing workload should degrade performance. A set of eight auditory clinical alarms already known to have relatively high localizability (the ease with which their location is identified) when tested alone were tested in six conditions where workload was varied. Participants were required to indicate the location of a series of alarms emanating at random from one of eight speaker locations. Additionally, they were asked to read, carry out mental arithmetic tasks...
Prevalence of hearing loss among noise-exposed workers within the agriculture, forestry, fishing, and hunting sector, 2003-2012
Background: The purpose of this study was to estimate the prevalence of hearing loss among noise-exposed US workers within the Agriculture, Forestry, Fishing, and Hunting (AFFH) sector. Methods: Audiograms for 1.4 million workers (17 299 within AFFH) from 2003 to 2012 were examined. Prevalence, and the adjusted risk for hearing loss as compared with the reference industry (Couriers and Messengers), were estimated. Results: The overall AFFH sector prevalence was 15% compared to 19% for all industries combined, but many of the AFFH sub-sectors exceeded the overall prevalence. Forestry sub...
Prevalence of Hearing Loss Among Noise-Exposed Workers Within the Health Care and Social Assistance Sector, 2003 to 2012
Objective: The purpose was to estimate the prevalence of hearing loss for noise-exposed U.S. workers within the Health Care and Social Assistance (HSA) sector. Methods: Audiograms for 1.4 million workers (8702 within HSA) from 2003 to 2012 were examined. Prevalences and adjusted risks for hearing loss as compared with a reference industry were estimated for the HSA sector and all industries combined. Results: While the overall HSA sector prevalence for hearing loss was 19%, the prevalences in the Medical Laboratories subsector and the Offices of All Other Miscellaneous Health Practitioners subsector...
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...
Questionnaire GABO (gêne acoustique dans les bureaux ouverts)
Le questionnaire GABO (Gêne Acoustique dans les Bureaux Ouverts) permet de recueillir le ressenti des salariés vis-à-vis du bruit dans les open-spaces (type de sources sonores gênantes, type de tâche perturbée, échelle de sensibilité au bruit, perception de leur santé, etc.). Il est accompagné d'une grille Excel destinée à faciliter l'analyse et la synthèse des réponses. Source: http://www.inrs.fr/media.html?refINRS=outil62
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
Noise Exposure Among Federal Wildland Fire Fighters
Hearing loss is one of the most common work-related illnesses in the United States. NIOSH estimates that 22 million U.S. workers encounter noise exposures loud enough to be hazardous. Wildland fire fighting (vs. urban/ structural fire fighting), aims to suppress grass, brush, or forest fires. Wildland fire fighting is considered a high-risk emergency response occupation requiring considerable physical and psychological demands. Wildland fire fighters often work 12 to more than 16 hours per shift for up to 14 consecutive days over a 3- to 9-month period. Source: https://blogs.cdc.gov/niosh...
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...
Use of moulded hearing protectors by child care workers
An interventional pilot study Background: Employees of a multi-site institution for children and adolescents started to wear moulded hearing protectors (MHPs) during working hours, as they were suffering from a high level of noise exposure. It was agreed with the institutional physician and the German Institution for Statutory Accident Insurance and Prevention in the Health and Welfare Services (BGW) that this presented an opportunity to perform a scientific study to investigate potential beneficial effects on risk of burnout and subjective noise exposure at work when child care workers wear MHPs...
Association Between Farm Machinery Operation and Low Back Disorder in Farmers
A Retrospective Cohort Study Objective: The association between whole body vibration (WBV) as measured by annual accumulated use of all-terrain vehicles (ATV)/combine/tractor operation and low back disorders (LBDs) among farmers was investigated. Methods: Saskatchewan Farm Injury Cohort Study data was used. Baseline data were collected in 2007 on the three vehicle types and other factors. Follow-up data on LBD symptoms were collected during 2013 resulting in 1149 samples. Results: Adjusted for age, education, and gender, LBDs were associated with tractor operation for 1 to 150 hours/year (Relative...
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...
The Effectiveness of Measures Aimed at Noise Reduction in an Intensive Care Unit
Noise is a significant problem for both hospitalized patients and health care workers. This study aimed to determine the effectiveness of noise reduction strategies in an intensive care unit. Noise was measured in two phases. In the first phase, the unit’s present level of noise was established over 3 weeks between January 1, 2012, and February 1, 2012. During the month following initial measurements, noise reduction interventions, including staff education and physical space arrangement, were initiated, and device alarms were checked. The second phase of measurement was conducted during...
The effects of noise on key workplace skills
This study explored the effect on memory and psychomotor performance of wideband noise (simulated in-cabin aircraft noise) at 75 dBA, which is similar to that experienced during the cruise phase of a commercial flight. The results from the tests were compared to the effects of a widely known and common metric on the same skills, namely, blood alcohol concentration (BAC). All 32 participants, half non-native English speakers, completed three different tests (recognition memory, working memory, and reaction time) presented in counterbalanced order, either in the presence of noise, with or without...
NIOSH Offers New Guidance to Help Musicians Protect their Hearing
The National Institute for Occupational Safety and Health published new guidance to help musicians and those who work in the music industry protect their hearing. Professional musicians such as orchestra, band members, music teachers, as well as others in the music industry such as disc jockeys, audio engineers, and crew members are all at risk for developing permanent hearing loss, ringing in the ears, and other hearing disorders from prolonged exposure to loud music. Exposures to noise exceeding 85 decibels over 8 hours (dBA) are considered hazardous, and if the noise reaches 100 dBA, it could...
Reducing the Risk of Hearing Disorders among Musicians
Musicians and others involved in the music industry are at risk of developing permanent hearing loss, tinnitus (ringing in the ears), and other hearing disorders from exposure to loud sounds. The National Institute for Occupational Safety and Health (NIOSH) examines the risks associated with music exposure and provides recommendations to protect their hearing. Source: http://www.cdc.gov/niosh/docs/wp-solutions/2015-184/
Audit ergonomique en réanimation polyvalente
Bruit ambiant, alarmes et impact sur le travail Matériel et méthodes: Les données recueillies lors des enquêtes PRESST-NEXT et SESMAT ont permis d'évaluer la perception de l'exposition au bruit des soignants européens et médecins français et leur score d'épuisement professionnel. Le travail infirmier en réanimation est caractérisé par des observations ergonomiques dont deux analysées à l'aide du logiciel KRONOS-ACTOGRAM (Octares). Des mesures de bruit ambiant ont été réalisées...
Dose - response relationship between noise exposure and the risk of occupational injury
Many workers worldwide experience fatality and disability caused by occupational injuries. This study examined the relationship between noise exposure and occupational injuries at factories in Korea. A total of 1790 factories located in northern Gyeonggi Province, Korea was evaluated. The time-weighted average levels of dust and noise exposure were taken from Workplace Exposure Assessment data. Apart occupational injuries, sports events, traffic accidents, and other accidents occurring outside workplaces were excluded. The incidences of occupational injury in each factory were calculated by data...
A cross-sectional study of hearing thresholds among 4627 Norwegian train and track maintenance workers
OBJECTIVE: Railway workers performing maintenance work of trains and tracks could be at risk of developing noise-induced hearing loss, since they are exposed to noise levels of 75-90 dB(A) with peak exposures of 130-140 dB(C). The objective was to make a risk assessment by comparing the hearing thresholds among train and track maintenance workers with a reference group not exposed to noise and reference values from the ISO 1999. DESIGN: Cross-sectional. SETTING: A major Norwegian railway company. PARTICIPANTS: 1897 and 2730 male train and track maintenance workers, respectively, all exposed to...
Incidence and relative risk of hearing disorders in professional musicians
Background: Hearing disorders have been associated with occupational exposure to music. Musicians may benefit from non-amplified and low-intensity music, but may also have high risks of music-induced hearing loss. Aims: To compare the incidence of hearing loss (HL) and its subentities in professional musicians with that in the general population. Methods: We performed a historical cohort study among insurants between 19 and 66 years who were employed subject to social insurance contributions. The study was conducted with data from three German statutory health insurance providers covering the years...
Modeling acoustic propagation in a compartment fire
Firefighters unable to move and in need of rescue use an audible alarm to signal for help. Rescue teams can then follow this sound to the firefighter. This alarm is governed by NFPA 1982 : Standard on Personal Alert Safety System (PASS). Introduced in 1983, the PASS has saved many firefighter lives. However, a number of incidents have occurred where the PASS is less effective. There have been incidents where the PASS was heard sporadically on the fireground, or where localization of the alarm was difficult, leading to injury and loss of life. We hypothesized that the temperature field created by...
Ethylbenzene-Induced Hearing Loss, Neurobehavioral Function, and Neurotransmitter Alterations in Petrochemical Workers
Objective : To estimate hearing loss, neurobehavioral function, and neurotransmitter alteration induced by ethylbenzene in petrochemical workers. Methods : From two petrochemical plants, 246 and 307 workers exposed to both ethylbenzene and noise were recruited—290 workers exposed to noise only from a power station plant and 327 office personnel as control group, respectively. Hearing and neurobehavioral functions were evaluated. Serum neurotransmitters were also determined. Results : The prevalence of hearing loss was much higher in petrochemical groups than that in power station and control...
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