Comprehensive hearing care network for early identification and intervention in children with congenital and late-onset/acquired hearing loss: 8 years' experience in Miyazaki.
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| Abstract | OBJECTIVE: In 2010, we established the Miyazaki Comprehensive Hearing Care Network (MCHCN) for early identification and intervention in children with congenital and late-onset/acquired hearing loss with the cooperation of related administrative bodies in Miyazaki prefecture. The central roles of the MCHCN program are played by the Hearing Care Center (HCC) at the University of Miyazaki Hospital established in 2010 to facilitate audiological diagnoses, hearing aid interventions, and educational efforts, as well as linkage with the Department of Otolaryngology for surgical interventions. Herein, we aimed to present the main outcomes of the MCHCN program organized by the HCC at the University of Miyazaki Hospital. METHODS: The MCHCN consists of two different networks, the Newborn Hearing Screening Network (NHSN) and the Pediatric Hearing Care Network (PHCN). All children suspected of having hearing loss by Newborn Hearing Screening (NHS) are referred to the HCC via the NHSN. In addition, children suspected of late-onset/acquired hearing loss by municipality-led health checkups, pediatricians, public health nurses, and childcare workers are referred to the HCC via the PHCN. Children who were born in Miyazaki prefecture between January 2010 and December 2017 and referred to the HCC for detailed hearing examination were included in this study. RESULTS: Within the study period, 89,390 infants were born in Miyazaki prefecture, and 84,737 (94.9%) of them underwent NHS. A total of 698 infants and 182 children with suspected hearing loss were referred to the HCC via the NHSN and PHCN, respectively. Of the 880 referrals, 169 were diagnosed with hearing loss, which included 80 children with bilateral hearing loss and 89 children with unilateral hearing loss. Of the 80 children with bilateral hearing loss, 76 began wearing hearing aids and 15 had cochlear implants in the follow-up period. In children with bilateral conductive hearing loss, 4 children with bilateral middle ear anomalies underwent ossiculoplasty, following which two of these children no longer required hearing aids. Imaging assessments performed on 71 of the 89 children with unilateral hearing loss revealed that 20 of the 30 (66%) children who underwent CT exhibited ossicular anomalies and 28 out of the 48 (58%) children who underwent MRI were found to have ipsilateral cochlear nerve hypoplasia. Among the 169 children with hearing loss, no follow-up loss was observed during the period of this study. CONCLUSION: The MCHCN that was organized at the initiative of the HCC at the University of Miyazaki Hospital has enabled the provision of comprehensive and continuous support, ranging from diagnosis to intervention, not only for children with suspected hearing loss referred based on their NHS results but also for those who pass the screening. Via this system, children with late-onset/acquired hearing loss can be identified early and can receive medical interventions tailored to the cause of their hearing loss while simultaneously avoiding a loss to follow-up.
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| Authors | Miho Shirane, Akira Ganaha, Takahiro Nakashima, Shoken Shimoara, Taro Yasunaga, Sakura Ichihara, Saki Kageyama, Yusuke Matsuda, Tetsuya Tono |
| Journal | International journal of pediatric otorhinolaryngology (Int J Pediatr Otorhinolaryngol) Vol. 131 Pg. 109881 (Apr 2020) ISSN: 1872-8464 [Electronic] Ireland |
| PMID | 31978747 (Publication Type: Journal Article) |
| Copyright | Copyright © 2020 Elsevier B.V. All rights reserved. |
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