Brainstem auditory evoked potentials in children with lead exposure

Alvarenga, Katia de Freitas; Corteletti, Lilian Cassia Bornia Jacob; Feniman, Mariza Ribeiro; Lopes, Andrea Cintra; Morata, Thais Catalani

doi:10.6084/m9.figshare.14289120.v1

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Brainstem auditory evoked potentials in children with lead exposure

2021
See Associated Publication(s)
By Alvarenga, Katia de Freitas ; Corteletti, Lilian Cassia Bornia Jacob ; Feniman, Mariza Ribeiro ; ...

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Alternative Title:

figshare Academic Research System
Journal Article:

Brazilian Journal of Otorhinolaryngology
Personal Author:

Alvarenga, Katia de Freitas ; Corteletti, Lilian Cassia Bornia Jacob ; Feniman, Mariza Ribeiro ; Lopes, Andrea Cintra ; Morata, Thais Catalani

Alvarenga, Katia de Freitas ; Corteletti, Lilian Cassia Bornia Jacob ; Feniman, Mariza Ribeiro ; Lopes, Andrea Cintra ; Morata, Thais Catalani Less -
Corporate Authors:

Department of Speech Therapy and Audiology, Faculdade de Odontologia de Bauru, Universidade de São Paulo (FOB-USP) ; Division of Field Studies and Engineering, National Institute for Occupational Safety and Health ; National Institute for Occupational Safety and Health (NIOSH) ; National Institute for Occupational Safety and Health (NIOSH), Division of Applied Research and Technology

Department of Speech Therapy and Audiology, Faculdade de Odontologia de Bauru, Universidade de São Paulo (FOB-USP) ; Division of Field Studies and Engineering, National Institute for Occupational Safety and Health ; National Institute for Occupational Safety and Health (NIOSH) ; National Institute for Occupational Safety and Health (NIOSH), Division of Applied Research and Technology Less -
Description:

Introduction: Earlier studies have demonstrated an auditory effect of lead exposure in children, but information on the effects of low chronic exposures needs to be further elucidated. Objective: To investigate the effect of low chronic exposures of the auditory system in children with a history of low blood lead levels, using an auditory electrophysiological test. Methods: Contemporary cross-sectional cohort. Study participants underwent tympanometry, pure tone and speech audiometry, transient evoked otoacoustic emissions, and brainstem auditory evoked potentials, with blood lead monitoring over a period of 35.5 months. The study included 130 children, with ages ranging from 18 months to 14 years, 5 months (mean age 6 years, 8 months ± 3 years, 2 months). Results: The mean time-integrated cumulative blood lead index was 12 µg/dL (SD ± 5.7, range:2.433). All participants had hearing thresholds equal to or below 20 dBHL and normal amplitudes of transient evoked otoacoustic emissions. No association was found between the absolute latencies of waves I, III, and V, the interpeak latencies I-III, III-V, and I-V, and the cumulative lead values. Conclusion: No evidence of toxic effects from chronic low lead exposures was observed on the auditory function of children living in a lead contaminated area.
Content Notes:

Stacks:34049
Keywords:

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110315 Otorhinolaryngology FOS: Clinical Medicine
DOI:

https://dx.doi.org/10.6084/m9.figshare.14289120.v1
Landing Page:

https://doi.org/10.6084%2Fm9.figshare.14289120.v1
Modified:

03/25/2021
Date Issued:

01/01/2021
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CIO:

NIOSH
Collection(s):

Stephen B. Thacker CDC Library collection
Main Document Checksum:

[+]

urn:sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

English

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Brainstem auditory evoked potentials in children with low level cumulative lead exposure

[PDF - 419.65 KB]

Personal Author:

Alvarenga, Kátia F. ;

Morata, Thais C.
...

2015 Jan-Feb | Braz J Otorhinolaryngol. 81(1):37-43.

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IntroductionEarlier studies have demonstrated an auditory effect of lead exposure in children,but information on the effects of low chronic exposures ...

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[PDF - 419.65 KB]

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[PDF - 419.65 KB]

Brainstem auditory evoked potentials in children with lead exposure

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