Friday, July 12, 2024

New Tests To Prevent Hearing Loss In Newborns


    The article "Genetic Diagnosis of Childhood Sensorineural Hearing Loss" emphasizes the significance of genetic testing in diagnosing sensorineural hearing loss in children. It points out that as many as 60% of congenital or early-onset SNHL cases are linked to genetic causes. Specific genetic mutations can interfere with the development or function of crucial hearing structures, such as the cochlea or auditory nerves. The study involved 105 pediatric patients with bilateral SNHL, diagnosed through neonatal screening or later due to language delays or other risk factors. It demonstrates the wide range of genetic mutations associated with SNHL, with mutations found in genes such as GJB2, USH2A, and STRC, among others. The research reveals a 48% diagnostic yield from genetic testing, underscoring its effectiveness in identifying pathogenic or likely pathogenic variants responsible for SNHL. This information not only aids in prognosis and management but also provides guidance for genetic counseling to prevent recurrence in future pregnancies and to inform family planning decisions. This knowledge enhances diagnostic accuracy and shows potential for future therapeutic advancements to improve outcomes for individuals with hearing loss.




Del Barrio, S. R., Fernández, A. G., Quesada-Espinosa, J. F., Sánchez-Calvín, M. T., Gómez-Manjón, I., Sierra-Tomillo, O., ... & de Vergas Gutiérrez, J. (2024). Genetic diagnosis of childhood sensorineural hearing loss. 
Acta Otorrinolaringologica (English Edition)75(2), 83-93.

2 comments:

  1. Having accurate tests done early can help with determining potential treatments giving the person the best possible outcome.

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  2. This article on new genetic tests to prevent hearing loss in newborns is truly enlightening! The detailed explanation of the genetic basis for sensorineural hearing loss and the advancements in genetic testing provide a comprehensive understanding of this critical issue. It’s impressive to see how these new tests can identify genetic mutations early.

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