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Correlations between risk factors for hearing impairment and TEOAE screening test outcome in neonates at risk for

J Ratyńska1, A Grzanka, M Mueller-Malesińska

  • 1Institute of Physiology and Pathology of Hearing, Warsaw, Poland. ratynska@ifps.org.pl

Scandinavian Audiology. Supplementum
|April 25, 2001
PubMed

Insights

Specific risk factors correlate with neonatal hearing impairment. Genetic factors, TORCH infections, and ototoxic drugs lowered TEOAE screening results, while hyperbilirubinemia showed higher SNR values in at-risk newborns.

Area of Science:

  • Neonatal audiology
  • Pediatric audiology
  • Otoacoustic emissions testing

Background:

  • Neonatal hearing impairment is a significant concern.
  • Early identification of hearing loss is crucial for developmental outcomes.
  • Risk factors for neonatal hearing impairment require further investigation.

Purpose of the Study:

  • To determine correlations between neonatal hearing impairment risk factors.
  • To examine the relationship between these risk factors and TEOAE screening results.
  • To identify specific risk factors impacting TEOAE signal-to-noise ratios in at-risk neonates.

Main Methods:

  • Study included seventy-one newborns identified as at risk for hearing impairment.
  • Analyzed correlations between various specific risk factors.
  • Investigated the relationship between risk factors and TEOAE (Transient-Evoked Otoacoustic Emissions) signal-to-noise ratio (SNR).

Main Results:

  • Strong correlations were observed between specific risk factors for hearing impairment.
  • Neonates with genetic risk factors, TORCH infections, or treated with ototoxic drugs showed significantly lower TEOAE SNRs.
  • Hyperbilirubinemic neonates exhibited significantly higher TEOAE SNRs compared to controls.

Conclusions:

  • Specific neonatal risk factors significantly influence TEOAE screening outcomes.
  • Genetic factors, TORCH infections, and ototoxic drug exposure are associated with poorer TEOAE results.
  • Hyperbilirubinemia may have a different predictive value for hearing impairment in neonates.

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