A Review of Hearing Disorders Prevalence and Risk Factors Among Elementary School Students in Ahvaz

Nader Saki¹, Soheila Nikakhlagh^1*, Seyed Mahdi Noori², Leila Timar³, Majid Karimi³ and Azar Borjsefidi³

¹Associated Professor of Otolaryngology, Head and Neck Surgery, Hearing and Speech Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. ²Resident of otolaryngology, Head and neck surgery, Hearing and Speech Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran. ³Hearing and Speech Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

DOI : http://dx.doi.org/10.13005/bbra/1608

ABSTRACT: Hearing disorders are the most common causes of pediatric communicative and functional disorder which result in communicative and learning disorders, educational failure and vast socio-economic problems. This study is an attempt to study the result of health examination of children who were to enter first grade elementary school in ahvaz. The present study aimed at promoting the quality of school health through more efficient planning. This was a descriptive and cross sectional study conducted on the medical examination records of 846 children. They were selected after primary assessment among 21150 children who were due to enter first grade in academic year 1387-1388 with hearing disorder in hearing screening. These children were screened by otoscopy, pure tone audiometry, and tympanometry. The results indicate 2.69% of children had hearing disorders. No difference was seen between boys and girls children in term of observed hearing loss. 457 were male and 389 were female. 56.3% had conductive hearing loss and 43.5% had sensorineural hearing loss and 0.2% mixed hearng loss. 9.2% had slight of hearing level, 77.2% mild, 4.6% moderate , 5.3% severe, 3.7% perfound. 46.5% had unilateral H.L , 53.5% had bilateral H.L. 92.7% had H.L in high frequence and 7.3% in low frequence . 34.2% of children had impacted cerumen. Regarding the high prevalence of hearing loss among preschool children and ill effect of hearing disorder on learning in preschool age and also important of diagnosis and rapid intervention, more extensive and interventional studies as well as screening are required

KEYWORDS: Hearing Disorder; Hearing Screening; Preschool Children

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