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Updated: May 27, 2026
09:44
Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
Published on: January 25, 2016
Unilateral auditory neuropathy spectrum disorder.
Qiu-Jing Zhang1, Lan Lan, Wei Shi
1Department of Otolaryngology/Head and Neck Surgery, Chinese PLA Institute of Otolaryngology, Chinese PLA General Hospital, Beijing, China.
Acta Oto-Laryngologica
|November 15, 2011
Summary
Unilateral auditory neuropathy spectrum disorder (UANSD) predominantly affects children with significant hearing loss. Key diagnostic indicators include abnormal auditory brainstem responses (ABR) alongside present otoacoustic emissions (OAEs) or cochlear microphonics (CM).
Area of Science:
- Audiology
- Pediatric Neurology
- Otolaryngology
Background:
- Unilateral auditory neuropathy spectrum disorder (UANSD) is a complex auditory processing disorder.
- Understanding its clinical presentation is crucial for accurate diagnosis and management.
Purpose of the Study:
- To identify the clinical characteristics of patients diagnosed with UANSD.
Main Methods:
- A retrospective analysis of 14 patients diagnosed with UANSD between 2004 and 2010.
- Review of audiological test results, including auditory brainstem response (ABR), otoacoustic emissions (OAEs), and cochlear microphonics (CM).
Main Results:
- The study included 14 patients, with a 1:1 male-to-female ratio and an average age of onset of 4.1 years.
- Affected ears showed varying degrees of hearing loss, from moderate to profound.
- Absent ABRs with present OAEs and/or CM were consistently observed in affected ears.
Conclusions:
- UANSD primarily affects pediatric populations, often presenting with significant hearing loss at diagnosis.
- The combination of abnormal ABR and preserved OAEs/CM is vital for differentiating UANSD from other hearing loss types.
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