2018
DOI: 10.1590/1982-021620182015617
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Ototoxicity of hydrocarbons present in gasoline: a literature review

Abstract: Purpose: to investigate the toxicity effects of major hydrocarbons present in gasoline on the auditory system and the related mechanisms of action. Methods: a literature review between 2005 and 2015 was conducted using LILACS, MEDLINE and SciELO, by combining descriptors and their respective terms in Portuguese, English and Spanish. Results: studies performed in humans and animals with hearing impairment, confirmed by morphological tests in rats, the influence of factors such as dose, duration, species and typ… Show more

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Cited by 6 publications
(6 citation statements)
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References 21 publications
(49 reference statements)
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“…Benzene exposure from fossil fuels such as gasoline is a major concern for environmental, occupational, and health entities in Brazil and worldwide, due to the risk it poses to human health [1,2,3,4,5]. The results of the quantification of benzene and toluene in atmospheric air at both the workplaces evaluated (filling stations and campus entrances) showed concentrations of less than 0.01 ppm, confirming exposure to low concentrations of these compounds.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Benzene exposure from fossil fuels such as gasoline is a major concern for environmental, occupational, and health entities in Brazil and worldwide, due to the risk it poses to human health [1,2,3,4,5]. The results of the quantification of benzene and toluene in atmospheric air at both the workplaces evaluated (filling stations and campus entrances) showed concentrations of less than 0.01 ppm, confirming exposure to low concentrations of these compounds.…”
Section: Discussionmentioning
confidence: 99%
“…Gasoline contains aromatic hydrocarbons like benzene, toluene, ethylbenzene, and xylenes (BTEX), among which benzene has the greatest toxicological risk because of its carcinogenic properties [1,2,3,4,5,6,7]. Although benzene is present in low concentrations in gasoline and other finished products, economic development policies that stimulate the consumption of petroleum-based fossil fuels means that exposure to this compound, especially because of its presence in gasoline, is of particular concern in the ambit of environmental and occupational health [2,8,9].…”
Section: Introductionmentioning
confidence: 99%
“…O benzeno é considerado um carcinógeno humano, com atividade clastogênica 25 . O tolueno é considerado ototóxico, com evidências de interação com ruído; já o potencial ototóxico do benzeno pode ser considerado inconclusivo 27 . De acordo com os protocolos das Normas e Manuais Técnicos do Ministério da Saúde relacionados à exposição ocupacional ao benzeno 28,29 , as avaliações de PAIR e de alterações cromossômicas, entre outras, devem ser realizadas em trabalhadores que utilizam este composto em seu processo de trabalho.…”
Section: ▄ Discussãounclassified
“…Como exemplos de substâncias inerentes a esses grupos, podemos citar: tolueno, xileno, estireno, n-Hexano, dissulfeto de carbono, tricloroetileno (solventes), monóxido de carbono, cianeto de hidrogênio (asfixiantes), chumbo e mercúrio (metais) (Johnson e Morata, 2009). Merece destaque o tolueno, pela ampla utilização cotidiana e pela potencialidade ototóxica, em virtude do seu possível efeito lesivo das células ciliadas externas da região média da cóclea (Silva et al, 2018).…”
Section: Efeitos Da Ototoxicidade E Medidas De Proteçãounclassified
“…Também é relatada uma possível interação com ruído.O xileno e etilbenzeno também podem ser considerados como potencialmente ototóxicos. Sobre o benzeno, ainda não é possível concluir se é, de fato, ototóxico, ou não(Silva et al, 2018). Também foram levantadas hipóteses de influência sobre o processamento auditivo para indivíduos expostos a elementos como o próprio tolueno ou o xileno(Fuente e McPherson, 2007; Fuente, 2010).…”
unclassified