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Foreward: stop gambling with your hearing.

Authors
Murphy-WJ; Grantham-MAM
Source
Int J Audiol 2015 Feb; 54(S1):S1-S2
NIOSHTIC No.
20045515
Abstract
In 2014, the National Hearing Conservation Association took its chances and held its 39th annual conference, titled Stop Gambling with your Hearing, in Las Vegas. The authors who contributed to this issue of the International Journal of Audiology demonstrated that they could be relied upon to deliver a royal flush when it comes to advancing research and knowledge for worker hearing loss prevention. The papers that we were privileged to shepherd through the review process share common themes: epidemiologic and workplace assessments of hearing, and new methods to better assess hearing and the effects of wearing hearing protection upon the speech intelligibility and localization. Hearing loss prevention starts with education and testing. The study by Flamme et al has expanded the work from last year's supplement, considering how audiometric testing may be changed. Will pure-tone audiometry become passť? The potential to integrate hearing testing with hearing protector fit-testing seems natural, and combining testing with training in the use of personal protection technology makes sense. Without question, occupational hearing conservation programs must begin with engineering noise controls to reduce exposures for at risk workers. Cantley et al explored the relationship between hearing loss and tinnitus and workplace injury. They found an increased risk of acute injury among workers with tinnitus and high-frequency hearing loss. Although their research does not draw strong correlations between tinnitus and increased incidence of workplace injury, the communication needs of hearing-impaired workers cannot be overlooked. Helleman et al considered the effects of interrupted exposures to loud music at night clubs; often cited as a potential cause of hearing loss. Their research suggests that quiet zones within clubs had little effect on the hearing of the subjects they evaluated. However, providing club patrons a place to get out of the noise was still thought to be important because high noise levels present a risk in and of themselves. Hong et al investigated the relationships between occupational exposures and hearing among elderly Latino Americans. They concluded that a reduction of occupational exposure to noise and chemicals will have a positive impact on better hearing later in life. Worker adoption of hearing protection use is challenged by the effect of attenuation on communication. When passive hearing protection is worn properly, it further degrades the ability of a hearing-impaired worker to communicate. Giguere et al investigated the effect of hearing protection on communication for persons with various degrees of hearing impairment. Sound restoration hearing protection had positive benefits for both impaired and normal-hearing persons. Whereas Giguere used the hearing in noise test (HINT) to estimate speech reception threshold, Hiselius et al utilized the call-sign acquisition test (CAT) to determine the effect of different amounts of hearing protection on communication ability. Hiselius' approach proved to be an efficient means of assessing several products. Both methods are useful for determining worker communication needs and abilities with a system that could be implemented in conjunction with hearing protection fit testing. In addition to affecting speech intelligibility, hearing protection use can critically impact localization ability. Casali and Robinette investigated the performance of different electronic hearing protectors on localization for groups who received varying amounts of training. They demonstrate that localization ability improved after listeners acclimated to hearing the world through a new set of filters. Finally, we consider the effect of diet and dietary supplements on hearing. Rosenhall provides evidence that high quality diet is associated with better hearing and high frequency hearing. Although establishing such correlations is complex and not conclusive, good dietary habits appear to be important to maintaining hearing health. We invite you to read this special supplement and consider how you may implement new techniques within your practice of hearing loss prevention. We wish to highlight and thank our sponsors who contributed to the supplement: the National Hearing Conservation Association, the National Institute for Occupational Safety and Health, the Safe-In-Sound Excellence in Hearing Loss Prevention Award(TM), the Council for Accreditation in Occupational Hearing Conservation, Etymotic Research Incorporated and HTI Incorporated.
Keywords
Hearing; Hearing-loss; Hearing-protection; Hearing-conservation; Hearing-disorders; Noise; Noise-exposure; Noise-induced-hearing-loss; Noise-protection; Author Keywords: Hearing loss prevention; hearing conservation; hearing protection; speech intelligibility; noise
Contact
William J. Murphy, National Institute for Occupational Safety and Health, 1150 Tusculum Ave., Mailstop C-27, Cincinnati, OH 45226-1998, USA
CODEN
IJANGS
Publication Date
20150201
Document Type
Other
Email Address
wjm4@cdc.gov
Fiscal Year
2015
NTIS Accession No.
NTIS Price
ISSN
1499-2027
NIOSH Division
DART
Priority Area
Construction; Manufacturing
Source Name
International Journal of Audiology
State
TX; OH
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