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Early hearing detection and intervention results in northeastern of Iran from 2005 to 2019: A repeated cross-sectional study
Sadegh Jafarzadeh1, Mohammad Khajedaluee2, Amir Reza Khajedaluee3, Masoomeh Khakzadi4, Mansoor Esmailzadeh5, Mohsen Firozbakht6
1 Department of Audiology, School of Paramedical Sciences, Sinus and Surgical Endoscopic Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
2 Department of Community Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
3 Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
4 Supervisor of Hearing Screening, State Welfare Organization of Khorasan Razavi, Mashhad, Iran
5 Expert of Social Welfare Studies, State Welfare Organization of Iran, Tehran, Iran
6 Chairman of Hearing Screening Program, State Welfare Organization of Iran, Tehran, Iran
Correspondence Address:
Mohammad Khajedaluee
Department of Community Medicine, Faculty of Medicine, Campus of Mashhad University of Medical Sciences, Park Square, Mashhad
Iran
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/ijpvm.ijpvm_396_21
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Background: Hearing loss is one of the most common congenital disorders. The Early Diagnosis and Intervention Process is designed for the early diagnosis and intervention of hearing loss in infants. The present study aimed to examine the results of Early Hearing Detection and Intervention (EHDI) in northeastern Iran from 2005 to 2019. Setting: Northeastern Iran. Methods: In most cases, the two-stage protocol (otoacoustic emissions [OAE] and automated auditory brainstem response [AABR]) has been used. Infant assessment methods included the use of OAE, ABR, auditory steady-state response, high-frequency tympanometry, and behavioral audiometry. Interventions included medical interventions, hearing rehabilitation, hearing aids, and cochlear implants. Results: 1,162,821 infants were screened. The screening coverage increased from less than 1% in 2005 to about 99% in 2018. The referral rate has been about 1%. 2.17 out of every 1000 infants are hearing impaired, and the most common cases are bilateral hearing loss and mild to moderate hearing loss. Conclusions: During 2005 to 2019 the coverage rate reached to more than 95% of live births. To improve the EHDI process in this population, better follow-up of diagnosed neonates and expansion of diagnostic and intervention services are needed.
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