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|Title:||Audiogram comparison of workers from five professional categories|
|Author:||Mathias Duarte, Alexandre Scalli|
Guimaraes, Alexandre Caixeta
de Carvalho, Guilherme Machado
Mohana Pinheiro, Laiza Araujo
Yen Ng, Ronny Tah
Sampaio, Marcelo Hamilton
da Costa, Everardo Andrade
Gusmao, Reinaldo Jordao
|Abstract:||Introduction. Noise is a major cause of health disorders in workers and has unique importance in the auditory analysis of people exposed to it. The purpose of this study is to evaluate the arithmetic mean of the auditory thresholds at frequencies of 3, 4, and 6 kHz of workers from five professional categories exposed to occupational noise. Methods. We propose a retrospective cross-sectional cohort study to analyze 2.140 audiograms from seven companies having five sectors of activity: one footwear company, one beverage company, two ceramics companies, two metallurgical companies, and two transport companies. Results. When we compared two categories, we noticed a significant difference only for cargo carriers in comparison to the remaining categories. In all activity sectors, the left ear presented the worst values, except for the footwear professionals (P > 0.05). We observed an association between the noise exposure time and the reduction of audiometric values for both ears. Significant differences existed for cargo carriers in relation to other groups. This evidence may be attributed to different forms of exposure. A slow and progressive deterioration appeared as the exposure time increased|
|Subject:||Perda auditiva provocada por ruído|
|Appears in Collections:||FCM - Artigos e Outros Documentos|
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