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The characteristics of tinnitus in workers exposed to noise.

Authors
Steinmetz-LG; Zeigelboim-BS; Lacerda-AB; Morata-TC; Marques-JM
Source
Rev Bras Otorrinolaringol 2009 Jan-Feb; 75(1):7-14
NIOSHTIC No.
20036101
Abstract
Tinnitus is a common auditory complaint among individuals exposed to noise. AIM: This paper aims to study the characteristics of tinnitus in workers exposed to noise. STUDY DESIGN: This is a descriptive prospective study. Materials and method: Fifty-two individuals averaging 29 years of age were enrolled in a hearing loss prevention program at a meat processing plant. The participants were interviewed and had their hearing tested in 2005 and 2006. RESULTS: Seventy-one percent of the participants were found to have normal hearing. Tinnitus was present in 16% of the males and in 9% of the females. Mean noise exposure length was 7 years and noise levels ranged from 86 to 91 dBA (48%). Bilateral tinnitus (46%) of the hissing type (40%) and moderate intensity (49%) was the most prevalent. Symptoms began to be observed within one to five years after initial exposure to noise (67%) and manifested themselves in weekly episodes (41%) that bothered the patients mostly at night (34%). A significant correlation was observed between the frequency of tinnitus episodes and the noise levels to which workers were exposed. CONCLUSION: tinnitus should be included in hearing loss prevention programs in order to more comprehensively promote occupational hearing health.
Keywords
Noise; Noise-induced-hearing-loss; Hearing-disorders; Hearing-conservation; Hearing; Hearing-loss; Meat-packing-industry; Author Keywords: hearing loss; prevention; occupational noise
Contact
Dra. Bianca Simone Zeigelboim, Rua Gutemberg 99, 9 andar, Curitiba/PR - 80420-030
Publication Date
20090101
Document Type
Journal Article
Email Address
bianca.zeigelboim@utp.br
Fiscal Year
2009
NTIS Accession No.
NTIS Price
Issue of Publication
2
ISSN
1806-9312
NIOSH Division
DART
Source Name
Revista Brasileira de Otorrinolaringologia
State
OH
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