ArticleJournal of Korean medical science2025
Early Detection and Hearing Intervention in Infants With Bilateral Moderate Hearing Loss: Based on a Nationwide Infantile Hearing Aid Support Program in Korea.
Article in Journal of Korean medical science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe aim of this study is to review data on infants who received hearing aid support through the Infantile Hearing Aid Support Program after the settlement of universal newborn hearing screening (NHS) in the country over the past five years in Korea. This study seeks to identify the characteristics of infants with bilateral moderate hearing loss and to explore effective strategies for auditory rehabilitation by analyzing the timing of hearing aid interventions and regional disparities.
methodsWe analyzed the National Health Insurance Service (NHIS) records and the Infantile Hearing Aid Support Program database between January 2019 and December 2023. Our analysis included the NHS performance rate, NHS results, diagnostic hearing test outcomes, types of hearing loss, and the relationship between NHS results and hearing loss risk factors. Additionally, we examined the submission dates for the program, hearing aid purchase dates, types of hearing aids, and whether the residential area, prescription area, and hearing aid purchase areas matched.
resultsIn this period, a total of 1,318,551 neonates were born and 540 bilateral moderate hearing loss infants registered for the Infantile Hearing Aid Support Program. The NHS performance rate increased to 95.4% by 2023, while the proportion of infants receiving diagnostic hearing tests within three months was 46.2%. The rate of infants receiving hearing aids within six months for auditory rehabilitation was 22.4%. Although no correlation was found between risk factors for hearing loss and NHS results, it was observed that infants admitted to the neonatal intensive care unit or with other syndromes had a higher likelihood of being diagnosed with moderate hearing loss, even if they passed the NHS. Finally, there were regional disparities in access to hearing aid prescriptions and rehabilitation.
conclusionOur findings suggest that auditory rehabilitation achieves greater focus following the implementation of NHS. This study also provides valuable insights into the hearing status and rehabilitation outcomes of infants with moderate hearing loss. Furthermore, we anticipate that these results will contribute to informing policies aimed at reducing regional disparities in access to auditory rehabilitation services.
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