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Related Experiment Videos

Infant hearing screening: program implementation and validation.

H Hosford-Dunn, S Johnson, F B Simmons

    Ear and Hearing
    |February 1, 1987
    PubMed
    Summary
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    Congenital hearing loss affects 6.1% of Intensive Care Nursery graduates. Early screening using Crib-O-Gram and behavioral tests is crucial for timely detection and intervention in infants.

    Area of Science:

    • Neonatal screening
    • Pediatric audiology
    • Developmental pediatrics

    Background:

    • Congenital and early-onset hearing loss (HL) affects a significant proportion of infants.
    • Intensive Care Nursery (ICN) graduates are at higher risk for hearing impairments.
    • Early detection is critical for speech and language development.

    Purpose of the Study:

    • To determine the incidence of congenital and early-onset hearing loss in ICN graduates.
    • To evaluate the effectiveness of neonatal screening methods (Crib-O-Gram and high-risk register) combined with behavioral hearing tests.
    • To assess the diagnostic performance of screening strategies for significant hearing loss.

    Main Methods:

    • A 7-year longitudinal study of 975 ICN graduates.

    Related Experiment Videos

  • Neonatal screening using Crib-O-Gram (COG) and a high-risk register.
  • Repeated behavioral hearing tests at 1-3 years, with 84% follow-up.
  • Defined significant hearing loss as >45 dB HL average loss (1000-8000 Hz) bilaterally.

    • Main Results:

    • 6.1% of ICN graduates had congenital/early-onset hearing loss.
    • Significant hearing loss (interfering with speech/language) was found in 4.3% of infants.
    • COG combined with behavioral screening showed high sensitivity (missing only one child).
    • COG alone had 79.3% sensitivity; behavioral screening had 82.6% sensitivity for significant losses.
    • Confirmation age varied by loss severity; progressive losses required continued follow-up.

    Conclusions:

    • Combined neonatal screening (COG) and behavioral testing is an effective strategy for detecting significant hearing loss in ICN graduates.
    • Early identification and intervention are essential for optimal speech and language development.
    • Ongoing audiological surveillance is necessary to identify progressive or delayed-onset hearing impairments.