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Related Experiment Videos

[Hearing disorders screening in neonates at risk].

T Morlet1, A Moulin, G Putet

  • 1Kresge Hearing Research Laboratory of the South LSU Medical Center, 2020 Gravier Street, New Orleans, LA 70112, USA.

Annales D'Oto-Laryngologie Et De Chirurgie Cervico Faciale : Bulletin De La Societe D'Oto-Laryngologie Des Hopitaux De Paris
|March 10, 2001
PubMed
Summary

Early hearing screening for high-risk newborns using otoacoustic emissions and auditory evoked potentials is crucial. This study identified a 0.9% incidence of definite hearing loss, emphasizing the need for continued neonatal hearing assessments.

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Area of Science:

  • Neonatal audiology
  • Pediatric hearing screening
  • Otoacoustic emissions and auditory evoked potentials

Background:

  • Neonatal hearing loss affects 1-6 per 1000 live births.
  • Early identification and intervention are critical for language and cognitive development.
  • High-risk neonates require targeted hearing screening protocols.

Purpose of the Study:

  • To evaluate the effectiveness of a multi-stage hearing screening protocol in high-risk neonates.
  • To determine the incidence of definite hearing loss in this population.
  • To assess the diagnostic yield of transient evoked otoacoustic emissions (TEOAE) and brainstem auditory evoked potential (BAEP) tests.

Main Methods:

  • A three-year, eight-month screening of 1,531 high-risk neonates.

Related Experiment Videos

  • Two successive transient evoked otoacoustic emissions (TEOAE) recordings.
  • Brainstem auditory evoked potential (BAEP) recording and otolaryngology (ORL) consultation for suspected cases.

    • Main Results:

    • 11% of neonates were suspected of hearing loss after TEOAE and BAEP testing.
    • 58 infants showed bilateral and 26 unilateral impairment.
    • A 0.9% incidence of definite hearing loss was diagnosed by ORL, with a mean age of diagnosis at 9.9 months.

    Conclusions:

    • Early hearing loss screening in at-risk neonates is effective and should be pursued.
    • The implemented protocol successfully identified neonates with hearing impairment.
    • Auditory risk factors are more prevalent in children with hearing loss.