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Bell's palsy workup: Does audiometry add value?
Jing Yuan1, Shirish Johari1, Aruni Seneviratna2
1Department of Otorhinolaryngology, Tan Tock Seng Hospital, Singapore.
Journal of Otology
|March 29, 2021
Summary
Routine audiometry in Bell's palsy patients shows limited prognostic value. Hearing tests did not correlate with recovery time or initial severity, suggesting they are not essential for predicting outcomes.
Area of Science:
- Otolaryngology
- Neurology
Background:
- Bell's palsy is a common neurological disorder affecting facial nerve function.
- Predicting recovery and severity is crucial for patient management.
Purpose of the Study:
- To determine the prognostic value of routine audiometry in Bell's palsy patients.
- To assess the correlation between audiometric thresholds and clinical outcomes.
Main Methods:
- Retrospective review of 191 Bell's palsy patients from 2015-2017.
- Correlation of ipsilesional audiometric thresholds with time-to-recovery and House-Brackmann (HB) scores.
- Analysis of pure-tone averages at 1kHz, 2kHz, and 4kHz.
Main Results:
- No significant difference in audiometric thresholds between affected and unaffected ears (p=0.87).
- Severe initial presentation correlated with longer recovery times (p<0.01).
- No correlation found between audiometry results and HB score (p=0.39) or time-to-recovery (p=0.58).
Conclusions:
- Routine audiometry appears to have limited prognostic value in Bell's palsy.
- Audiometric thresholds do not reliably predict recovery or initial severity.
