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Type: Artigo de periódico
Title: Effects of impact noise on the hearing of military personnel
Author: Heupa, AB
Goncalves, CGD
Coifman, H
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.
Subject: firearms
hearing loss
military personnel
public health
Country: Brasil
Editor: Assoc Brasileira Otorrinolaringologia & Cirurgia Cervicofacial
Citation: Brazilian Journal Of Otorhinolaryngology. Assoc Brasileira Otorrinolaringologia & Cirurgia Cervicofacial, v. 77, n. 6, n. 747, n. 753, 2011.
Rights: aberto
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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