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[Multiple sclerosis in Tunisia: cochleo-vestibular study (author's transl)]
Summary
This study on multiple sclerosis (MS) in Tunisia found that most patients experienced nystagmus. Vestibular syndrome was common, with irritative and deficiency types observed in many cases.
Area of Science:
- Neurology
- Otolaryngology
Background:
- Multiple sclerosis (MS) is a demyelinating disease affecting the central nervous system.
- Cochlear and vestibular dysfunction are known complications of MS.
Purpose of the Study:
- To investigate the prevalence and characteristics of cochlear and vestibular impairments in a cohort of multiple sclerosis patients in Tunisia.
Main Methods:
- A cohort of 94 multiple sclerosis patients underwent comprehensive cochlear and vestibular assessments.
- Spontaneous nystagmus, provocation studies, and auditory function tests were performed.
Main Results:
- 67 patients exhibited spontaneous nystagmus in the dark.
- Central vestibular syndrome was diagnosed in 52 patients (irritative type) and 25 patients (deficiency type).
- Only 5 patients presented with bilateral, symmetrical retro-labyrinthine hearing loss.
Conclusions:
- Cochlear and vestibular dysfunction are highly prevalent in multiple sclerosis patients.
- Vestibular symptoms, particularly nystagmus and central vestibular syndromes, are common findings.
- Significant retro-labyrinthine hearing loss is less frequent in this MS cohort.