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Characteristics of sensorineural hearing loss in children with inner ear anomalies

James M Coticchia1, Abhay Gokhale, Josh Waltonen

  • 1Department of Otolaryngology Head and Neck Surgery, Wayne State University School of Medicine, Detroit, MI 48202, USA. jcoticch@med.wayne.edu

American Journal of Otolaryngology
|December 20, 2005
PubMed

Insights

Children with inner ear anomalies and sensorineural hearing loss often present with unilateral and stable hearing loss. These children are also less likely to have a family history of hearing loss compared to peers without anomalies.

Area of Science:

  • Pediatric audiology
  • Otolaryngology
  • Medical imaging

Background:

  • Sensorineural hearing loss (SNH) is a common condition in children.
  • Inner ear anomalies can be a contributing factor to SNH.
  • Understanding the characteristics of SNH in children with inner ear anomalies is crucial for diagnosis and management.

Purpose of the Study:

  • To investigate distinctive features of sensorineural hearing loss in children with inner ear anomalies.
  • To compare hearing loss characteristics between children with and without inner ear anomalies.

Main Methods:

  • Temporal bone CT scans were used to identify inner ear abnormalities in 69 patients with SNH.
  • 17 patients with identified inner ear anomalies were compared to age-matched controls.
  • Medical histories were reviewed for hearing loss presentation, natural history, and family history.

Main Results:

  • Children with inner ear anomalies showed a higher incidence of unilateral hearing loss (42.9%) compared to controls (28.6%).
  • Hearing loss was more frequently stable in children with anomalies (85.7%) versus controls (71.4%).
  • A positive family history of hearing loss was more common in children with inner ear anomalies (56%) than in controls (14.3%).

Conclusions:

  • Inner ear anomalies are associated with specific patterns of SNH in children, including unilateral and stable loss.
  • The genetic component of hearing loss may differ between children with and without inner ear anomalies.
  • These findings aid in differentiating hearing loss etiologies in pediatric populations.
Abstract

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