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Updated: Sep 21, 2025
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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
Published on: January 25, 2016
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Acoustic neuromas associated with sudden sensorineural hearing loss
Mariko Takahashi1, Akira Inagaki2, Noritaka Aihara3
1Department of Otolaryngology-Head and Neck Surgery, Aichi Gakuin University School of Dentistry, Nagoya City, Japan.
Acta Oto-Laryngologica
|June 2, 2022
Summary
Sudden sensorineural hearing loss (SHL) is a common initial symptom for acoustic neuromas (ANs). However, hearing recovery rates decrease with each subsequent SHL episode in AN patients.
Area of Science:
- Neuro-oncology
- Audiology
- Otolaryngology
Background:
- Sudden sensorineural hearing loss (SHL) is a recognized presenting symptom for acoustic neuromas (ANs).
- The incidence and prognostic factors of SHL in AN patients require further elucidation.
Purpose of the Study:
- To retrospectively determine the incidence of SHL in patients diagnosed with acoustic neuromas.
- To evaluate the rates of auditory recovery following SHL episodes in this cohort.
Main Methods:
- Retrospective analysis of clinical data from 686 patients with acoustic neuromas.
- Examination of tumor characteristics, SHL episodes, auditory recovery rates, and audiogram patterns.
Main Results:
- SHL occurred in 232 of 686 (33.8%) patients with acoustic neuromas; incidence was not linked to tumor size.
- 7.7% of patients experienced two or more SHL episodes.
- Auditory recovery rates decreased with successive SHL events: 61% after the first, 45.3% after the second, and 33.3% after the third or later episode.
Conclusions:
- Recurrent SHL in acoustic neuroma patients is relatively common, with decreasing recovery rates after each event.
- Early detection and management of SHL in AN patients are crucial, as subsequent episodes portend poorer hearing outcomes.
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