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Related Experiment Videos

Hearing loss in low-birth-weight infants

D Anagnostakis, J Petmezakis, G Papazissis

    American Journal of Diseases of Children (1960)
    |July 1, 1982
    PubMed
    Summary

    Hearing loss affects 9% of low-birth-weight infants surviving neonatal intensive care. Neonatal complications like apnea and hyperbilirubinemia were linked to hearing impairment in these vulnerable children.

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    Area of Science:

    • Pediatrics
    • Neonatology
    • Audiology

    Background:

    • Neonatal intensive care units (NICUs) provide critical care for high-risk newborns.
    • Low birth weight infants are at increased risk for developmental issues, including hearing impairment.
    • Long-term follow-up is essential to assess the outcomes of NICU survivors.

    Purpose of the Study:

    • To assess the hearing status of low-birth-weight infants who survived neonatal intensive care.
    • To identify risk factors associated with hearing loss in this population.
    • To evaluate the long-term audiological outcomes of NICU survivors.

    Main Methods:

    • Hearing was assessed in 98 survivors with a mean birth weight of 1,540 g at a mean age of 6.5 years.
    • This cohort represented 73% of eligible long-term survivors from 1971-1973.
    • Infants with hearing loss were compared to healthy counterparts regarding neonatal complications.

    Main Results:

    • Nine out of 98 infants (9.2%) had sensorineural hearing loss.
    • Fourteen infants had exudative otitis media.
    • Infants with hearing loss experienced more frequent apneic attacks, hyperbilirubinemia, and hypothermia during the neonatal period.

    Conclusions:

    • Sensorineural hearing loss is a significant concern in low-birth-weight NICU survivors.
    • Neonatal complications, including apnea, hyperbilirubinemia, and hypothermia, are associated with an increased risk of hearing loss.
    • Neither incubator duration nor ototoxic drug use appeared to impact hearing in this cohort.

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