Etiological and epidemiological factors in hearing-impaired students in Van, East of Turkey: A case series.

Etiological and epidemiological factors in hearing-impaired students in Van, East of Turkey: A case series.

J Pak Med Assoc. 2017 Jun;67(6):951-953

Authors: Kiroglu AF, Ari M, Bozan N, Parlak M, Cankaya H

Abstract
The aim of the present case series was to investigate the causes of hearing loss in the children studying at a primary School for the deaf in Van Province, Turkey. The present series included 95 children with sensorineural hearing loss. Otoscopic and ophthalmological examinations, pure-tone audiometry, and tympanometry were performed for each patient. Measles IgG, rubella IgG, cytomegalovirus (CMV) IgG, toxoplasma IgG, herpes simplex virus (HSV) Type I (HSV-I) IgG, HSV Type II (HSV-II) IgG, and Mycoplasma pneumonia IgG were evaluated in serum samples. Temporal bone anomalies were analyzed on temporal bone computed tomography (CT). A total of 7 radiologically distinct inner ear malformations were detected in 19 children. Twelve children were detected with various fundus pathologies. The most common cause of hearing loss was family-related factors (52%). In conclusion, the etiological and epidemiological factors were consistent with those reported in the literature.

PMID: 28585603 [PubMed - in process]

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