Current techniques in management of postmeningitic deafness in children

Nancy M Young1, Tina Q Tan

  • 1Division of Pediatric Otolaryngology, Section of Otology and Neurotology, Children's Memorial Hospital, 2300 Children's Plaza, Box 265, Chicago, IL 60614, USA. nyoung@childrensmemorial.org

Insights

Pneumococcal vaccination did not prevent meningitis-related deafness in children, but early cochlear implantation was successful. This highlights the need for continued vigilance and timely intervention for hearing loss in these high-risk children.

Area of Science:

  • Pediatric Otolaryngology
  • Neuroscience
  • Infectious Disease

Background:

  • Pneumococcal meningitis can cause profound bilateral sensorineural hearing loss in children.
  • Children with postmeningitic deafness are at high risk for cochlear ossification, complicating cochlear implantation.
  • Pneumococcal vaccination has reduced but not eliminated the incidence of pneumococcal disease.

Purpose of the Study:

  • To assess pneumococcal vaccination status in children with postmeningitic deafness.
  • To review the approach for timely cochlear implantation in this high-risk pediatric population.
  • To evaluate the effectiveness of early bilateral cochlear implantation in children with postmeningitic hearing loss.

Main Methods:

  • Retrospective review of imaging studies and test results for five children (15 months to 10 years) with recent postmeningitic deafness.
  • Preoperative 3D heavily T2-weighted MRI and auditory steady-state response testing were utilized.
  • All children underwent bilateral cochlear implantation with assessment of electrode insertion.

Main Results:

  • All five children developed meningitis despite documented pneumococcal vaccination.
  • Complete cochlear electrode insertion was achieved in both ears for all patients.
  • No complications related to cochlear ossification were reported during implantation.

Conclusions:

  • Pneumococcal vaccination is not fully protective against meningitis-induced deafness.
  • 3D MRI and auditory steady-state response testing facilitate rapid evaluation for cochlear implant candidacy.
  • Early, simultaneous bilateral cochlear implantation improves hearing outcomes and addresses the risk of cochlear ossification in children with postmeningitic deafness.
Abstract