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Risk Factors for Hearing Loss and Its Prevalence in Neonates Older Than 6 Months With History of Hospitalization in Intensive Care Unit



Keihanidost Z1 ; Tabrizi A1 ; Amini E1 ; Sedaghat M2 ; Ghahremani A3 ; Shariat M4 ; Kavyani Z4
Authors
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Authors Affiliations
  1. 1. Department of Pediatrics, School of Medicine, Tehran University of Medical Science, Tehran, Iran
  2. 2. Pediatric Neurology Research Center, Shahid Beheshti University of Medical Siences, Tehran, Iran
  3. 3. Department of Neurology, School of Medicine, Mashhad University of Medical Science, Mashhad, Iran
  4. 4. Maternal-Fatal and Neonatal Research Center, Tehran University of Medical Science, Tehran, Iran

Source: Iranian Journal of Child Neurology Published:2018

Abstract

Objectives Hearing loss is one of the most important disabilities in neonates. Delay in the detection of hearing loss leads to impaired development and may prevent the acquisition of speech. We aimed to determine the risk factors associated with hearing loss in neonatal patients aged more than 6 months with a history of hospitalization in Neonatal Intensive Care Unit (NICU). Methods In this case-control study, screening for hearing loss was carried out on 325 neonates aged 6-12 months referred to Pediatric Neurology Office of Vali-e-Asr Hospital, Tehran, Iran up to 2011. Hearing loss was confirmed using Auditory Brainstem Response screening test (ABR). Results The prevalence of mildly and moderately hearing loss in neonates was determined as 3.6%. The most significant risk factors for hearing loss in neonates were neonatal icterus associated with phototherapy, respiratory distress syndrome (RDS) and lower Apgar score. Conclusion It seems to quantitative auditory system screening using ABR is necessary for all neonates; because rehabilitation support such as speech therapy and hearing training in this age period is more effective than older ages. © 2018, Iranian Child Neurology Society. All rights reserved.
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1. Cost-Effectiveness Analysis of Automated Auditory Brainstem Response and Otoacoustic Emission in Universal Neonatal Hearing Screening, Iranian Journal of Pediatrics (2017)
2. Universal Newborn Hearing Screening in Southwestern Iran, International Journal of Pediatric Otorhinolaryngology (2017)
3. Auditory Steady-State Response Thresholds in Adults With Conductive and Mild to Moderate Sensorineural Hearing Loss, Iranian Red Crescent Medical Journal (2015)
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