Peripheral hearing loss following head trauma in children
W D Zimmerman1, T M Ganzel, I M Windmill
1Department of Surgery, University of Louisville School of Medicine, KY 40202.
Insights
Head injuries in children can cause significant hearing loss. This study found a 32% incidence of conductive hearing loss and 16% sensorineural hearing loss, highlighting the need for audiology follow-up.
Area of Science:
- Pediatric Otolaryngology
- Neurotrauma Research
- Audiology
Background:
- Head injuries are common in children.
- Hearing loss can be a consequence of head trauma.
- Early detection and management are crucial.
Purpose of the Study:
- To determine the incidence and types of hearing loss in pediatric patients following head injuries.
- To identify potential correlations between injury characteristics and hearing loss.
Main Methods:
- Prospective study of 50 children admitted for head trauma.
- Comprehensive neurologic, otologic, and audiologic evaluations.
- Diagnostic imaging including skull roentgenograms and CT scans.
Main Results:
- 32% incidence of conductive hearing loss.
- 16% incidence of high-frequency sensorineural hearing loss.
- Temporal bone fractures correlated with conductive hearing loss, but skull vault fractures did not.
Conclusions:
- Significant rates of both sensorineural and conductive hearing loss were observed.
- No correlation found between injury cause, loss of consciousness, or Glasgow Coma Scale scores and hearing loss.
- Close audiology and otology follow-up is essential for all pediatric head injury patients.
Abstract:
The purpose of this prospective study was to determine the incidence and type of hearing loss occurring in children who suffered head injuries. Fifty children admitted to the neurosurgical service after sustaining head trauma were studied. Neurologic, otologic, and audiologic evaluations were performed. Diagnostic studies included skull roentgenograms and computerized tomography scans. A 32% incidence of conductive hearing loss and a 16% incidence of high-frequency sensorineural hearing loss was found in this group. All patients with temporal bone fractures had conductive hearing losses, but the presence of a skull vault fracture did not correlate with the presence, type, or degree of hearing loss. In addition, there was no correlation between either cause of injury, loss of consciousness, or Glasgow Coma Scale scores and the presence, type, or degree of hearing loss. There was a significant incidence of both sensorineural and conductive hearing loss in this series of patients, which indicates that close audiologic and otologic follow-up is necessary for all head injury patients.
