What question did this study set out to answer?

To explore the relationship between semicircular canal functions and otolith responses in individuals with superior semicircular canal dehiscence syndrome.

June 4, 2026European Archives of Oto-Rhino-LaryngologyOpen Access

High-frequency pseudo-hypofunction of the superior semicircular canal dehiscence syndrome: a vHIT – oVEMP dissociation explained by hydrodynamic energy loss

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Authors

LMLeonardo Manzari NFNicola FerriUniversity of Bologna MTM. TramontanoAzienda USL di Bologna

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Implication

Randomized trial investigates vestibular response dissociation in superior semicircular canal dehiscence, suggesting a new diagnostic approach.

Key Points

To explore the relationship between semicircular canal functions and otolith responses in individuals with superior semicircular canal dehiscence syndrome.
Examined 53 patients with SCDS using the vestibular testing methods.
Conducted video Head Impulse Test (vHIT) on all six semicircular canals and vestibular-evoked myogenic potentials (vEMPs).
Analyzed both cervical and ocular VEMP responses to varying frequency stimuli.
Significant reduction in VOR gains in superior semicircular canals, particularly in the left anterior canal (mean gain 0.86 ± 0.18).
Bilateral SCDS patients had lower VOR gains than those with unilateral SCDS (mean LA gain 0.68 ± 0.14).
Increased utricular responsiveness indicated by enhanced 500-Hz oVEMP amplitudes and consistent 4-kHz responses.

Cite This Study

Manzari et al. (2026) studied this question.

synapsesocial.com/papers/6a2117fdd499ed480b170d5d https://doi.org/10.1007/s00405-026-10347-0

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Implication

Randomized trial investigates vestibular response dissociation in superior semicircular canal dehiscence, suggesting a new diagnostic approach.

High-frequency pseudo-hypofunction of the superior semicircular canal dehiscence syndrome: a vHIT – oVEMP dissociation explained by hydrodynamic energy loss

Discussion

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Implication

Key Points

Cite This Study

High-frequency pseudo-hypofunction of the superior semicircular canal dehiscence syndrome: a vHIT – oVEMP dissociation explained by hydrodynamic energy loss

Discussion

Member takes

Implication

Key Points

Cite This Study

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