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|Type:||Artigo de periódico|
|Title:||Effects of impact noise on the hearing of military personnel|
|Abstract:||Shooting is an activity that exposes military personnel to noise impact, which may cause irreversible effects on hearing. Objective: To evaluate impact noise on the hearing of military personnel that practice shooting. Study design: A case-control retrospective study. Methods: 115 military personnel were enrolled; 65 had been exposed to impact noise and 50 were non-exposed. Firearm noise levels were evaluated, subjects answered a questionnaire and underwent threshold tonal audiometry and otoacoustic emissions testing. Results: The average noise level was 125dB(C). Most subjects (78%) believe that noise may cause hearing loss; nearly all (92.3%) used ear noise protectors while shooting, but most (32.3%) had never received guidance for using this equipment. There were significant differences between the two groups in relation to changes suggesting impact noise-induced hearing loss. Conclusion: The differences between groups show that noise-exposed military personnel are more likely to develop hearing loss. The goal of a hearing conservation program for this population should be to preserve hearing and educate these individuals about the importance of using hearing protection correctly.|
|Editor:||Assoc Brasileira Otorrinolaringologia & Cirurgia Cervicofacial|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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