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Revista da Sociedade Brasileira de Fonoaudiologia

versão On-line ISSN 1982-0232


KORBES, Daiane; SILVEIRA, Aron Ferreira da; HYPPOLITO, Miguel Ângelo  e  MUNARO, Gisiane. Vestibulocochlear system alterations caused by exposure to pesticides: a literature review. Rev. soc. bras. fonoaudiol. [online]. 2010, vol.15, n.1, pp.146-152. ISSN 1982-0232.

Pesticides are widely used in agriculture, and the widespread application of these agents, without the appropriate use of bio-security measures, has been causing potential impacts for environmental degradation, as well as for the human organism, increasing the incidence of occupational poisoning. The aim of the present study was to review the available literature and to carry out a discussion regarding pesticides exposure and its harmful effects on the auditory system's function and structure. Relevant national and international journals indexed in PubMed, Medline, Bireme and LILACS were reviewed, as well as book chapters and dissertations published between 1987 and 2009. The available data suggest that chronic exposure to pesticides lead to functional alterations in the vestibulocochlear system, as well as a series of signs and symptoms. In spite of the scarce data describing organophosphorus influence on morphological characteristics of the auditory system, the literature suggest that acute exposure to pesticides can also be responsible for auditory system alterations, characterized by structural lesions in the cochlea, mainly in outer hair cells.

Palavras-chave : Pesticides [adverse effects]; Vestibulocochlear nerve diseases; Insecticides, organophosphate [adverse effects]; Vestibule, labyrinth [injuries].

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