[Congenital hearing loss in children]
Kristianna Mey1, Pernille Mathiesen Tørring2, Bjarke Edholm3
1Afdeling for Øre-næse-Halskirurgi og Audiologi, Københavns Universitetshospital - Rigshospitalet.
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.
Abstract:
The identification of congenital hearing loss using Transient Evoked Otoacoustic Emissions and Automatic Auditory Brainstem Response in a newborn hearing screening program is crucial for initiating early rehabilitation with hearing aids or cochlear implants. Specific genetic causes, such as Pendred syndrome, connexin-26, stereocilin, and otoferlin-associated deafness, can be identified today using gene panels. Specifically, for otoferlin-associated deafness, it may be possible to offer gene therapy as a novel treatment for this specific genetic type of hearing loss.
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