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  • Title: The advantages of vestibular-evoked myogenic potentials induced by bone-conducted vibration in patients with otitis media.
    Author: Cheng Y, Zhang Q, Zhang Y, Chen Z, Ma W, Xu M.
    Journal: Acta Otolaryngol; 2022 Jun; 142(6):499-504. PubMed ID: 35732019.
    Abstract:
    BACKGROUND: At present, there is no consensus on the optimal methods for the diagnosis of vestibular dysfunction. OBJECTIVE: To explore the advantages of bone-conducted vibration (BCV) related vestibular-evoked myogenic potentials (VEMPs). MATERIAL AND METHODS: Fifty patients with otitis media volunteered for VEMP examination. They were randomly selected with air-conducted sound and BCV stimulation VEMPs assessed in both ears. RESULTS: The provocation rate of BCV-VEMPs was significantly higher than that of air-conducted sound VEMPs. Among 50 affected ears, there was no significant difference in the provocation rate of BCV-VEMPs between patients with air-bone conduction gaps lower or higher than 20 dB. There was no significant difference in the provocation rate of BCV-VEMPs between both ears in 30 patients with unilateral otitis media and the comparison of BCV-oVEMP parameters made no significant difference in amplitude, N1 latency, P1 latency, or N1-P1 duration, except for the threshold. A comparison of BCV-cVEMP parameters between affected and healthy ears revealed no significant difference between groups in terms of threshold, amplitude, N1 latency, P1 latency, or n1-p1 duration. CONCLUSIONS AND SIGNIFICANCE: BCV-VEMPs may be stably induced in patients with conductive hearing loss.
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