2020
DOI: 10.1371/journal.pone.0227978
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Cochlear dysfunction is associated with styrene exposure in humans

Abstract: Occupational exposure to styrene has been shown to be associated with an increased probability of developing hearing loss. However, the sites of lesions in the auditory system in humans remain unknown. The aim of this study was to investigate the possible adverse effects of styrene exposure on the cochlea of human subjects.

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Cited by 11 publications
(14 citation statements)
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“…Although the hearing threshold means were within normal levels and the exposed group was exposed to low levels of noise and solvents, significant differences were observed at 6000 Hz in the right ear and 4000 Hz in left ear in the group comparisons ( Figure 3 ), with poorer results from the exposed group. These findings corroborate the findings of earlier studies [ 4 , 7 , 12 , 13 , 43 , 44 , 45 , 46 ]. The subclinical findings observed may be associated with other confounding variables (other nonoccupational exposures) [ 20 ].…”
Section: Discussionsupporting
confidence: 93%
See 1 more Smart Citation
“…Although the hearing threshold means were within normal levels and the exposed group was exposed to low levels of noise and solvents, significant differences were observed at 6000 Hz in the right ear and 4000 Hz in left ear in the group comparisons ( Figure 3 ), with poorer results from the exposed group. These findings corroborate the findings of earlier studies [ 4 , 7 , 12 , 13 , 43 , 44 , 45 , 46 ]. The subclinical findings observed may be associated with other confounding variables (other nonoccupational exposures) [ 20 ].…”
Section: Discussionsupporting
confidence: 93%
“…Some authors have emphasized that performing pure tone audiometry alone is not enough to monitor the negative effects on the auditory system in workers exposed to chemical agents [ 7 , 8 , 18 , 27 ]. Studies have recommended that workers exposed to solvents should be monitored with tests that assess the loss of communicative ability, the stapedius reflex, otoacoustic emissions, and ABR [ 7 , 13 , 20 , 46 ].…”
Section: Discussionmentioning
confidence: 99%
“…W literaturze dotyczącej oddziaływania rozpuszczalników na narząd słuchu -na podstawie badań na zwierzętach -wykazano, że zarówno styren, jak i toluen w wysokich stężeniach uszkadzają komórki słuchowe zewnętrzne i powodują zanik DPOAE [10,44]. W badaniach DPOAE u osób narażonych zawodowo na styren również wykazano efekt ototoksyczny [45]. Największy skutek oddziaływania hałasu na narząd słuchu jest widoczny dla częstotliwości 3-6 kHz -dla styrenu efekt ten wykazano jedynie dla najwyższych częstotliwości ocenianych standardowo w tym badaniu, tj.…”
Section: Otoemisje Akustyczneunclassified
“…W uszkodzeniach ślimakowych dotyczących wysokich częstotliwości obserwowane jest wydłużenie czasu utajenia (latencji) fali I, zwłaszcza dla okołoprogowych natężeń bodźca. Przy prawidłowej latencji fali V może to powodować skrócenie odstępu między falami I i V. Zapisy tego typu stwierdzano w przypadkach narażenia na styren (i hałas) [45]. W pozaślimakowych uszkodzeniach słuchu dochodzi natomiast do wydłużenia latencji fali V, a co za tym idzie, odstępu I-V. Zapisy ABR wskazujące na uszkodzenia pozaślimakowe słuchu stwierdzono m.in.…”
Section: Słuchowe Potencjały Wywołane Pnia Mózguunclassified
“…Both styrene and styrene-7,8-oxide are considered toxic, mutagenic, and carcinogenic. In particular, styrene exhibits neurotoxic properties, and exposure to styrene has been correlated with dysfunctions of sensory organs, such as disorders of vision or hearing ( Möller et al, 1990 ; Gong et al, 2002 ; Corsi et al, 2007 ; Gopal et al., 2011 ; Sliwinska-Kowalska et al, 2020 ).…”
Section: Introductionmentioning
confidence: 99%