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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
Published on: January 25, 2016
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Vestibular function analysis of sudden sensorineural hearing loss with dizziness
Jung-Yup Lee1, Yong Woo Lee1, Sun O Chang1
1Department of Otolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
Summary
Sudden sensorineural hearing loss (SSNHL) often presents with dizziness. Vestibular function tests reveal diverse patterns, with posterior canal deficits common in patients experiencing spontaneous nystagmus.
Area of Science:
- Otolaryngology
- Neurology
- Vestibular System Research
Background:
- Sudden sensorineural hearing loss (SSNHL) is frequently accompanied by dizziness in a significant patient population.
- Understanding the link between SSNHL and vestibular dysfunction is crucial for diagnosis and treatment.
Purpose of the Study:
- To investigate vestibular functions in patients with SSNHL and concurrent dizziness.
- To identify specific clinical characteristics associated with SSNHL and dizziness.
Main Methods:
- Retrospective analysis of 71 patients diagnosed with SSNHL and experiencing dizziness.
- Comprehensive vestibular function tests (VFTs) including video-nystagmography, video head impulse test, and vestibular evoked myogenic potentials.
Main Results:
- Among patients with spontaneous nystagmus (SN), posterior canal deficits were the most common finding on video head impulse testing.
- In patients without SN, no definite vestibular organ involvement was frequently observed, though some cases presented with benign paroxysmal positional vertigo or canal paresis.
- Cerebellar ischemic stroke was a rare finding in this cohort.
Conclusions:
- Vestibular function tests in SSNHL with dizziness show varied patterns.
- Posterior canal deficits are prevalent in SSNHL patients with SN.
- Absence of clear vestibular involvement is common in SSNHL patients without SN.
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