Audiometric assessment of pediatric patients with cystic fibrosis

Kathryn L Kreicher1, Michael J Bauschard2, Clarice S Clemmens2

  • 1Department of Otolaryngology-Head & Neck Surgery, Medical University of South Carolina, Charleston, SC, United States; Case Western Reserve University School of Medicine, Cleveland, OH, United States.

Insights

Hearing loss is common in pediatric cystic fibrosis (CF) patients, with chronic otitis media and Eustachian tube dysfunction as key risk factors. Diabetes diagnosis in CF patients correlates with hearing decline.

Area of Science:

  • Otolaryngology
  • Pediatrics
  • Genetics

Background:

  • Cystic Fibrosis (CF) is a genetic disorder affecting multiple organs.
  • Hearing impairment is a potential complication in pediatric CF patients.
  • Understanding the prevalence and risk factors for hearing loss in CF is crucial.

Purpose of the Study:

  • To evaluate the incidence and types of hearing impairment in children with cystic fibrosis.
  • To identify factors associated with the development and progression of hearing loss in this population.

Main Methods:

  • Retrospective analysis of the AudGen database from Children's Hospital of Philadelphia.
  • Analysis of audiograms for hearing loss type, pure-tone average (PTA), laterality, and changes over time.
  • Review of medical charts to correlate hearing outcomes with clinical factors.

Main Results:

  • Out of 217 pediatric CF patients, 69 (31.8%) exhibited hearing loss on initial audiogram.
  • Positive predictors for hearing loss included chronic otitis media, Eustachian tube dysfunction, and otorrhea.
  • Patients with CF and diabetes showed a significant decline in hearing over time compared to those without diabetes.

Conclusions:

  • This study represents the largest comprehensive analysis of hearing loss in pediatric CF patients.
  • Severe sinus disease may be associated with a lower risk of inflammatory middle ear disease and subsequent hearing loss.
  • Frequent monitoring and limiting ototoxic drug use are recommended for CF patients, especially those with complications like diabetes.
Abstract

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