[Congenital hearing loss in children]

Kristianna Mey1, Pernille Mathiesen Tørring2, Bjarke Edholm3

  • 1Afdeling for Øre-næse-Halskirurgi og Audiologi, Københavns Universitetshospital - Rigshospitalet.

Ugeskrift for Laeger
|October 23, 2025
PubMed

Insights

Early identification of congenital hearing loss via newborn hearing screenings is vital. Genetic testing can pinpoint causes like otoferlin-associated deafness, potentially paving the way for gene therapy treatments.

Area of Science:

  • Genetics
  • Audiology
  • Otolaryngology

Background:

  • Congenital hearing loss requires early intervention for optimal outcomes.
  • Newborn hearing screening programs utilize Transient Evoked Otoacoustic Emissions and Automatic Auditory Brainstem Response.
  • Genetic factors play a significant role in congenital deafness.

Purpose of the Study:

  • To highlight the importance of early identification of congenital hearing loss.
  • To discuss the role of genetic testing in diagnosing specific causes of deafness.
  • To explore novel therapeutic approaches like gene therapy for genetic hearing loss.

Main Methods:

  • Utilizing Transient Evoked Otoacoustic Emissions and Automatic Auditory Brainstem Response for newborn hearing screening.
  • Employing gene panels for the identification of genetic mutations.
  • Reviewing current and emerging treatment strategies for congenital hearing loss.

Main Results:

  • Early detection through screening enables timely rehabilitation with hearing aids or cochlear implants.
  • Gene panels can identify specific genetic causes, including Pendred syndrome, connexin-26, stereocilin, and otoferlin-associated deafness.
  • Otoferlin-associated deafness shows promise for future gene therapy interventions.

Conclusions:

  • Early identification and genetic diagnosis are critical for personalized treatment of congenital hearing loss.
  • Gene therapy represents a novel and promising treatment avenue for specific genetic forms of deafness.
  • Advancements in genetic testing and therapeutic strategies are transforming the management of congenital hearing loss.