Audiological and vestibular measurements in Behçet’s disease
Behçet’s disease (BD) is a vasculitis that involves all small vessels and influences the multiple systems of the human body. This study aimed to evaluate the audio-vestibular system involvement of patients with BD and healthy individuals.
Materials and methods
This study was designed as a prospective case–control blinded study. Thirty-one patients with BD and 31 healthy individuals were included. All the subjects were evaluated via pure tone audiometry (PTA), video head impulse test (vHIT), post head shake nystagmus test (PHSNT) and dizziness handicap inventory (DHI) to check for audio-vestibular system involvement.
Patients with BD showed higher PTA scores in both speech and high frequencies. The vHIT revealed pathological saccades, particularly in horizontal canals (right ear: p = 0.002, left ear: p = 0.039). The gain values of the patients were slightly lower than those of the control group; however, gain and gain asymmetry differed significantly in a few canals. In the spontaneous nystagmus test and PHSNT, pathological nystagmus was detected to be significantly higher in the patient group than control group (p = 0.001); but the saccade presence in vHIT and nystagmus in PHNT did not differ among the patients (p = 0.106). In addition, the DHI scores of the patients group were higher than those of the control group (p < 0.001). No correlation was found between disease duration and saccade presence.
The vHIT was used preliminary for evaluating the vestibular system in BD. This study showed the influence of BD on the audio-vestibular system, in particular isolated horizontal canal involvement was discovered in patients with BD.
Level of evidence
Level III b.
KeywordsBehçet’s disease Semicircular canals Vestibulo-ocular reflex Video head impulse test Nystagmus Dizziness handicap inventory
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
No financial support was received for this study.
This study was carried out in accordance with the Helsinki Declaration and informed consent was obtained from all the participants involved in the study.
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