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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...
Association between ambient noise exposure, hearing acuity, and risk of acute occupational injury
Objective: This study aimed to examine the associations between acute workplace injury risk, ambient noise exposure, and hearing acuity, adjusting for reported hearing protection use. Methods: In a cohort of 9220 aluminum manufacturing workers studied over six years (33 300 person-years, 13 323 person-jobs), multivariate mixed effects models were used to estimate relative risk (RR) of all injuries as well as serious injuries by noise exposure category and hearing threshold level (HTL) adjusting for recognized and potential confounders. Results: Compared to noise <82 dBA, higher exposure was...
Occupational noise exposure and noise-induced hearing loss are associated with work-related injuries leading to admission to hospital
Objective: This study focuses on work-related injuries that required admission to hospital in a population of male workers exposed to occupational noise (≥80 dBA) which some displayed a hearing loss due to their exposure. Methods: The study population count 46 550 male workers, 1670 (3.6%) of whom incurred at least one work-related injury requiring admission to hospital within a period of 5 years following hearing tests conducted between 1987 and 2005. The noise exposure and hearing loss-related data were gathered during occupational noise-induced hearing loss (NIHL) screening. The hospital...
Employers can take steps to reduce the risk of back over on worksites
Concerns are growing about the high number of deaths due to vehicles or equipment backing over workers. An OSHA standard for regulating backing operations does not exist, but employers can take proactive steps to reduce the hazard. “There is some fatigue associated with [backing alarms] in that you hear the same sound over and over again, and it starts to lose its meaning,” said Steve Hawkins, assistant administrator at the Tennessee Department of Labor and Workforce Development. Back-up alarms are not necessarily directional – workers on the ground may have no idea where the...
Mechanical vibration to walking/working surfaces at elevation should be minimized for construction workers' balance.
The risk of falls from height on a construction site increases under conditions which degrade workers' postural control. At elevation, workers depend heavily on sensory information from their feet to maintain balance. The study tested two hypotheses: undetectable random mechanical vibrations at the plantar surface of the feet can improve worker's balance at elevation; and detectable random mechanical vibrations can have a degrading effect on balance in the same experimental settings. Sensory suppression (detectable vibration) associated with elevated vibration levels on a construction site...
Surveys suggest that transport workers are more exposed to vibrations than the average working population.
European workers in transport over land and through pipelines seem also to be more exposed to vibrations from tools and machinery than the average working population. Several studies demonstrate the detrimental consequences of sustained sitting and being exposed to whole body vibration: exposure to vibrations may lead to back disorders. Based on the information available on heavy machines, the significance of the seat is important when steps to reduce full-body vibrations are taken. Full body vibration, for example caused by the driver’s cabin, may also affect the vision, coordination and...
Phantom ring is not just a psychological issue, but also a physical one.
The tinnitus "sound" - described by most patients as a constant, high-pitched ring or hiss - is generated by neurons firing in the brain, not the ear. Whether tinnitus is linked to aging, injury or work conditions, it can wreak havoc on concentration and mental fitness. "Anybody who is exposed to loud noises is at risk," suggests says Dr. Miranda, including those who work in construction, transportation (such as in airports and road works), the resources sector (think logging and mining), or as musicians. "The emotional consequences of having tinnitus are very disruptive...

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