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Auditory and Extra-auditory Effects of Occupational Exposure to Noise and Vibration.

Authors
Fernandes-M; Morata-TC
Source
Rev Bras Otorrinolaringol 2002 Sep-Oct, 68(5):705-713
NIOSHTIC No.
20023008
Abstract
The present study aimed to investigate the health complaints and the audiological findings of 2 groups of workers. Clinical prospective randomized. Group 1 was exposed to high sound pressure levels and vibration transmitted by hands and arms through the use of power brush cutter/string trimmers. Group 2 was exposed to high sound pressure levels and wholebody vibration transmitted by heavy machinery such as vibrating compactor rollers, skid-steer loaders, backhoes and compact hydraulic excavators. The 73 participants underwent an interview, otoscopy, and pure-tone audiometry. Regarding general health, group 2 workers, exposed to whole-body vibration presented the highest number of complaints. All the participants from group 1 use hearing protectors and 11% of them complained about tinnitus. Not all workers from group 2 use hearing protectors and 17% of them 2 reported tinnitus. However, group 1 workers, exposed to hand-arm vibration was the group with the highest percentage of abnormal audiograms. This study revealed a series of weaknesses in the health surveillance of these populations and indicated the need for the implementation of preventive programs focusing on their exposures to noise and vibration. This article is published in Portuguese.
Keywords
Vibration; Noise-induced-hearing-loss; Audiological-testing; Workers; Worker-health; Noise; Hand-tools; Power-tools; Tools
CODEN
RBORAB
Publication Date
20020901
Document Type
Journal Article
Fiscal Year
2002
NTIS Accession No.
NTIS Price
Issue of Publication
5
ISSN
1806-9312
NIOSH Division
DART
Source Name
Revista Brasileira De Otorrinolaringologia
State
OH
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