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The relationship between jugular bulb-vestibular aqueduct dehiscence and hearing loss in pediatric patients

Robbi A Kupfer1, Rebecca C Hoesli, Glenn E Green

  • 1Department of Otolaryngology--Head and Neck Surgery, Division of Pediatric Otolaryngology, University of Michigan, Ann Arbor, Michigan 48109, USA. rkupfer@med.umich.edu

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|November 25, 2011
PubMed

Insights

Jugular bulb and vestibular aqueduct dehiscence (JBVAD) affects 8.6% of pediatric patients. This study found no significant link between JBVAD and hearing loss in children.

Area of Science:

  • Otolaryngology
  • Pediatric Radiology
  • Neuroscience

Background:

  • Jugular bulb and vestibular aqueduct dehiscence (JBVAD) is a rare condition.
  • Its prevalence and association with hearing loss in pediatric populations are not well-established.
  • Temporal bone computed tomography (CT) is crucial for diagnosing inner ear abnormalities.

Purpose of the Study:

  • To determine the prevalence of JBVAD in pediatric patients.
  • To assess the relationship between JBVAD and hearing loss in this demographic.
  • To inform clinical understanding and management of pediatric hearing impairments.

Main Methods:

  • Retrospective chart review of pediatric patients (≤18 years) who underwent temporal bone CT and audiometric testing (2004-2009).
  • Blinded review of CT images for JBVAD presence.
  • Correlation of audiometric data with imaging findings to assess hearing loss.

Main Results:

  • A total of 927 patients (1854 ears) were analyzed.
  • The overall prevalence of JBVAD was 8.6% (6.6% right ear, 3.6% left ear).
  • No statistically significant association was found between JBVAD and sensorineural or mixed hearing loss in pediatric patients.

Conclusions:

  • JBVAD is present in 8.6% of pediatric temporal bone CT scans, predominantly in the right ear.
  • The study did not find a relationship between JBVAD and hearing loss in children.
  • JBVAD is unlikely to be a major contributor to pediatric sensorineural hearing loss.
Abstract

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