ArticleInternational archives of otorhinolaryngology2026
Air and Bone-Conduction Masseteric Vestibular Evoked Myogenic Potentials: A Simulated Conductive Hearing Loss Study.
Article in International archives of otorhinolaryngology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Masseteric vestibular evoked myogenic potentials assess saccular-masseteric pathway function using air-conducted or bone-conducted stimuli. Objective: This study investigated whether simulated bilateral conductive hearing loss differentially affects mVEMP response characteristics under air- and bone-conducted stimulation in young adults. Methods: Fifty healthy participants were included in the study. Conductive hearing loss was simulated in 25 individuals using silicone-blocked foam ear tips to create controlled bilateral attenuation. Masseteric vestibular evoked myogenic potentials were elicited using 500 Hz tone bursts delivered to the right ear through air and bone-conducted methods. Responses were recorded using a two-channel zygomatic electrode placement and analyzed for P1 and N1 latencies and P1-N1 peak-to-peak amplitude. Results: In the simulated conductive hearing loss group, air-conducted masseteric vestibular evoked myogenic potential responses showed decreased response rate, delayed latency, and reduced amplitude compared with normal hearing participants. In contrast, bone-conducted masseteric vestibular evoked myogenic potentials were consistently recorded in both groups, demonstrating significantly higher amplitudes and earlier latencies than air-conducted responses in the simulated conductive hearing loss group. Spectral analysis revealed a consistent peak around 100 Hz for all conditions except air-conducted stimulation in the simulated conductive hearing loss group, which showed no distinct peak. Conclusion: Simulated conductive hearing loss significantly affects air-conducted masseteric vestibular evoked myogenic potential responses, often rendering them absent or diminished. However, bone-conducted responses remain robust and reliable in normal and simulated conductive hearing loss conditions, highlighting their diagnostic value when conductive pathologies compromise air-conducted responses.
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