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Balance function after cochlear implant and inner ear anomaly: Comparison of dynamic posturography.
Farideh Hosseinzadeh1, Alimohamad Asghari2, Maziar Moradi-Lakeh3
1ENT and Head and Neck Research Center, The Five Senses Institute Iran University of Medical Sciences Tehran Iran.
Laryngoscope Investigative Otolaryngology
|June 30, 2020
Summary
Cochlear implantation patients with inner ear anomalies experience worse balance. This highlights the need for targeted vestibular rehabilitation in this patient group.
Area of Science:
- Otolaryngology
- Neurology
- Vestibular Science
Background:
- Sensorineural hearing loss often co-occurs with vestibular dysfunction.
- Inner ear anomalies increase the prevalence of vestibular dysfunction.
- Cochlear implantation may exacerbate existing vestibular issues.
Purpose of the Study:
- To assess vestibular dysfunction in cochlear implant patients.
- To compare vestibular function between patients with and without inner ear anomalies.
Main Methods:
- A 20-year historical cohort study of 50 cochlear implant patients.
- Utilized dynamic posturography and the Bruininks-Oseretsky Test for assessment.
Main Results:
- 44% of patients had inner ear anomalies.
- Patients with inner ear anomalies showed significantly higher rates of abnormal balance tests (Bruininks-Oseretsky Test and composite scores).
- Lower sensory organization test scores were observed in patients with inner ear anomalies.
Conclusions:
- Cochlear implantation patients with inner ear anomalies exhibit poorer balance capabilities.
- Enhanced vestibular rehabilitation is recommended for these patients.
- Understanding the interplay between inner ear anomalies and vestibular function post-implantation is crucial.
