| Combined effects of ototoxic solvents and noise on hearing in automobile plant workers in Iran. | |
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MedLine Citation:
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PMID: 20860967 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Exposure of workers to mixtures of organic solvents and to occupational noise is frequent in a number of industries. Recent studies suggest that exposure to both can cause a more severe hearing loss than exposure to noise alone. Our cross-sectional study included 411 workers of a large automobile plant divided in three groups. The first group included assembly workers exposed to noise alone; the second included workers in a new paint shop, who were exposed to a mixture of organic solvents at a permissible level; and the third group included paint shop workers exposed to both noise and higher than permissible levels of organic solvents in an old paint shop. These groups were compared in terms of low-frequency hearing loss (model 1; average hearing threshold >25 dB at 0.5 kHz, 1 kHz, and 2 kHz) and high-frequency hearing loss (model 2; average hearing threshold >25 dB at 3 kHz, 4 kHz, 6 kHz, and 8 kHz). High-frequency hearing loss was more common in workers exposed to a combination of noise and mixed organic solvents even at permissible levels than in workers exposed to noise alone even after correction for confounding variables. This study shows that combined exposure to mixed organic solvents and occupational noise can exacerbate hearing loss in workers. Therefore, an appropriate hearing protection programme is recommended, that would include short-interval audiometric examinations and efficient hearing protectors. |
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Authors:
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Saber Mohammadi; Yasser Labbafinejad; Mirsaeed Attarchi |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Arhiv za higijenu rada i toksikologiju Volume: 61 ISSN: 0004-1254 ISO Abbreviation: Arh Hig Rada Toksikol Publication Date: 2010 Sep |
Date Detail:
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Created Date: 2010-09-23 Completed Date: 2011-01-25 Revised Date: 2012-05-03 |
Medline Journal Info:
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Nlm Unique ID: 0373100 Medline TA: Arh Hig Rada Toksikol Country: Croatia |
Other Details:
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Languages: eng Pagination: 267-74 Citation Subset: IM |
Affiliation:
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Department and Occupational Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Auditory Threshold Automobiles Hearing Loss / chemically induced*, diagnosis Hearing Loss, Noise-Induced / diagnosis, etiology* Humans Industry* Iran Middle Aged Noise, Occupational / adverse effects* Occupational Diseases / diagnosis, etiology* Occupational Exposure Solvents / adverse effects* Young Adult |
| Chemical | |
Reg. No./Substance:
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0/Solvents |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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