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Related Experiment Videos

Decreasing test time in newborn hearing screening.

S G Korres1, D G Balatsouras, P Kanellos

  • 1ENT Department of Athens National University, Otology Unit, Hippokration Hospital, Athens, Greece.

Clinical Otolaryngology and Allied Sciences
|May 15, 2004
PubMed
Summary

Reducing accepted responses in transiently evoked otoacoustic emissions (TEOAEs) can shorten newborn hearing screening test times. Terminating the test after 20 sweeps maintains

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Area of Science:

  • Audiology
  • Neonatal Care
  • Otoacoustic Emissions

Background:

  • Neonatal hearing screening programs aim for early detection of hearing loss in newborns.
  • Transiently evoked otoacoustic emissions (TEOAEs) are a common objective measure used in hearing screening.
  • Reducing TEOAE test duration is desirable to improve efficiency in busy clinical settings.

Purpose of the Study:

  • To evaluate the impact of reducing the number of accepted responses on TEOAE test time in newborns.
  • To determine if shorter TEOAE testing affects 'pass-fail' rates in universal neonatal hearing screening.
  • To compare the reliability and diagnostic value of TEOAE results obtained with different numbers of recorded samples.

Main Methods:

  • A two-stage procedure was used to assess TEOAEs in 464 neonatal ears.

Related Experiment Videos

  • Stage 1: Test terminated upon meeting 'pass' criteria after at least 20 low-noise sweeps.
  • Stage 2: Test continued until 260 quiet samples were recorded for comparison.

    • Main Results:

    • 'Pass-fail' rates remained similar between Stage 1 (minimum 20 sweeps) and Stage 2 (260 samples).
    • 402 ears showed normal otoacoustic emissions, while 62 had absent emissions.
    • Statistically better response and reproducibility measures were observed when using all 260 samples (Stage 2).

    Conclusions:

    • Terminating TEOAE screening after achieving 'pass' criteria with a minimum of 20 sweeps does not alter 'pass-fail' outcomes.
    • For reliable diagnostic and clinical interpretation of TEOAEs, utilizing the full 260 quiet samples is recommended.
    • Optimizing TEOAE testing protocols can balance efficiency with diagnostic accuracy in neonatal hearing screening.