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Maturation of auditory brainstem responses in babies from brith to 6 months of age.

Objective: Newborn hearing screening plays an important role in making a diagnosis within the first six months of life in congenital hearing losses. In this age group, the infant's maturation is influential in the evaluation of the Auditory Brainstem Response (ABR) test, which is important in diagno...

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Published in:Turkiye Klinikleri Journal of Medical Sciences Vol. 32; no. 3; pp. 677 - 687
Main Authors: Öztürk, Burak, Genç, G Aydan
Format: research tables/charts Journal Article
Published: Turkiye Klinikleri Jun2012
Online Access:View this record in EBSCOhost
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      issn: 13000292
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      dt: Jun2012
      vid: 32
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      pid: 67298
      pub: Turkiye Klinikleri
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        104446189
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        2011551567
        10.5336/medsci.2011-24809
        104446189
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        atl: Maturation of auditory brainstem responses in babies from brith to 6 months of age.
      aug:
        au:
          Öztürk, Burak
          Genç, G Aydan
      sug:
        subj:
          Brain Stem Physiology
          Hearing Physiology
          Infant Development
          Clinical Assessment Tools
          Data Analysis Software
          Descriptive Statistics
          Female
          Human
          Infant
          Infant, Newborn
          Male
          Paired T-Tests
          T-Tests
          Infant: 1-23 months
          Infant, Newborn: birth-1 month
          Female
          Male
      ab: Objective: Newborn hearing screening plays an important role in making a diagnosis within the first six months of life in congenital hearing losses. In this age group, the infant's maturation is influential in the evaluation of the Auditory Brainstem Response (ABR) test, which is important in diagnosis. Because many ABR characteristics vary with age, age-related maturational values must be established for all populations to be evaluated. The purpose of the present study was to establish age-related maturational changes for infants aged 0-6 months. Material and Methods: ABR was measured in 180 subjects from 0 months to 6 months of age. Transient Evoked Otoacoustic Emission (TEOAE), Automated Auditory Brainstem Response (AABR) and diagnostic ABR tests were performed respectively for each subject. Results: In our study, maturational data of ABR absolute latencies and interpeak latencies obtained at different age groups and stimuli intensity level were presented. According to our study results, absolute latencies of waves I, III, V, and I-III, III-V, I-V interpeak latencies decreased as a function of advancing age. While absolute latencies of waves I, III, V showed a systematic increase, I-III, III-V, I-V interpeak latencies decreased as stimulus intensity decreased from 80 dB nHL to 20 dB nHL. To our results, there were no significant differences between gender and ears in terms of wave absolute latencies and interpeak latencies. Conclusion: Knowledge on the ABR characteristics within first six months of life will enable clinicians to discriminate normal situations from pathologic ones in diagnosing hearing loss for the infant population.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: Turkish
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