J Korean Med Sci.  2020 Aug;35(31):e251. 10.3346/jkms.2020.35.e251.

Results of a Government-supported Newborn Hearing Screening Pilot Project in the 17 Cities and Provinces from 2014 to 2018 in Korea

• Chung YS
• Oh Sh
• Park SK

• KMID: 2505196
• DOI: http://doi.org/10.3346/jkms.2020.35.e251

Abstract

Background
The aim of this study was to present and analyze, for the first time, the results of a government-supported nationwide newborn hearing screening (NHS) pilot project in the 17 major cities and provinces of Korea.
Methods
We analyzed a nationwide NHS database of 344,955 newborns in the pilot project from 2014 to 2018. The government supported the cost of one NHS and one diagnostic auditory brainstem response (ABR) test. Hearing loss (HL) was defined as ≥ 40 dB nHL on either side of the ABR threshold test.
Results
Most NHS tests were performed in the maternity clinics (91.5%). In regions with lack of maternity clinics, the screening rate of local clinics was high (Jeju: 31.1% and Sejong: 12.9%). In most regions, automated ABR was mainly used for screening test (89.7%), but Gangwon (32.7%), Jeju (31.0%), and Jeonbuk (29.6%) performed more NHS tests using (automated) otoacoustic emissions than other regions. The mean referral rate was 1.5%, but the overall diagnostic ABR rate was low at 18.5%. The referral rates of Busan (0.6%) and Gyeongnam (0.9%) were lower than 1%, and Jeju's referral rate was 7.3%. Prevalence of HL including unilateral HL was 0.12%.
Conclusion
Depending on the cities and provinces, there were significant differences in the screening rates and referral rates by hospital type and NHS method. For successful early hearing detection and intervention (EHDI) and quality control, it will be necessary to support and manage EHDI according to regional NHS's characteristics and ensure that the whole country conducts EHDI as standard.

Keyword

Newborn Hearing Screening; Auditory Brainstem Response; Hearing Loss; Provinces; Government

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