Identification of neonatal hearing impairment: a multicenter investigation

S J Norton1, M P Gorga, J E Widen

  • 1Multicenter Consortium on Identification of Neonatal Hearing Impairment, Seattle, Washington, USA.

Ear and Hearing
|November 4, 2000
PubMed

Insights

This study evaluated the accuracy of perinatal auditory tests for predicting infant hearing. It compared otoacoustic emissions and auditory brain stem responses against behavioral audiometry to identify factors influencing test outcomes.

Area of Science:

  • Pediatric audiology
  • Neonatal screening
  • Auditory system development

Background:

  • Accurate prediction of infant hearing status is crucial for early intervention.
  • Existing perinatal auditory tests require validation against established behavioral measures.
  • Multicenter studies are essential for generalizable findings in diverse populations.

Purpose of the Study:

  • To determine the predictive accuracy of transient evoked otoacoustic emissions, distortion product otoacoustic emissions, and auditory brain stem responses for behavioral hearing status in infants.
  • To examine the impact of infant medical status, test environment, and parameters on test performance.
  • To establish a gold standard for evaluating newborn hearing screening protocols.

Main Methods:

  • A multicenter study involving 7179 infants evaluated in the perinatal period.
  • Follow-up behavioral testing (visual reinforcement audiometry) at 8-12 months corrected age for high-risk and screened infants.
  • Collection of prenatal, perinatal, maternal history, and test environment data for comprehensive analysis.

Main Results:

  • The study design facilitated a robust comparison of perinatal tests with a gold standard behavioral assessment.
  • Data collection included a diverse sample to enhance the generalizability of the findings.
  • Detailed analysis of factors influencing test performance was enabled by a relational database.

Conclusions:

  • Longitudinal evaluation comparing newborn hearing tests with behavioral audiometry is necessary.
  • Comprehensive data collection on various influencing factors is vital for accurate test outcome interpretation.
  • The study design and data collection support a thorough examination of newborn hearing assessment accuracy.
Abstract

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