Sensitivity evaluation in air and water caloric stimulation of the vestibular organs using videonystagmography
Journal Title: Otolaryngologia Polska - Year 2014, Vol 68, Issue 5
Abstract
Introduction: The aim of the study was to compare air and water caloric stimulation of the vestibular organs using videonystagmography (VNG). Material and method s: The study covered 18 women aged 21–63 and 11 men aged 21–74 years hospitalized at the ENT, without complaints for vertigo and/or balance disorders. The alternate binaural bithermal caloric test with cool 30 8C and warm 44 8C air or water irrigations (after 2 h interval for the recordings) with the use of VNG was done. Results: All parameters of air and water vestibular caloric stimulations, assessed in the VNG, differed significantly but were within the normal range. The research showed a statistically significant difference between canal paresis but only for the left ear at 30 8C and 44 8C. Absolute directional preponderance, relative directional preponderance, vestibular excitability, slow component velocity, frequency were different statistically for both ears at both temperatures. Conclusions: Our study showed that both air and water caloric stimulations were able to distinguish physiological and impaired vestibular function. The obtained results showed statistically higher response for water than air stimulation.
Authors and Affiliations
Anna Jałocha-Kaczka, Piotr Pietkiewicz, Hanna Zielińska-Bliźniowska, Jarosław Miłoński, Jurek Olszewski
Keywords
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