Efficiency of the vestibular ocular reflex using Video Head Impulse Test in students from the schools of Fonoaudiología and Tecnología Médica of the University of Valparaíso

Main Article Content

André Gómez L.
Antonella Bruna C.
Daniela Franzoy E.
María Sofía Julio R.
Romina Olivares M.
Nicole Vicencio P.

Keywords

Vestibulo ocular reflex, video head impulse test, semicircular canal, gain

Abstract

Introduction: Video Head Impulse Test is a new technology directed to the evaluation of the semicircular canals, specifically the vestibular ocular reflex efficiency. It is a rapid, noninvasive and well tolerated procedure. In Chile there is a lack of studies related to this evaluation. Aim: Analyze the results of the efficiency of the vestibular ocular reflex of the hori­zontal semicircular canals, using Video Head Impulse Test in students from the schools of Fonoaudiología and Tecnología Médica of the University of Valparaíso. Material and method: A quantitative, descriptive, non-experimental descriptive stu- dy with a type of non-probability sampling with voluntary participant. The 80 students who fulfill the inclusion criteria were evaluated with Video Head Impulse Test. Results: The mean gain of the right horizontal semicircular canal was 0.92 ± 0.07 and for the left was 0.85 ± 0.07. In addition the mean percentage of asymmetry was 10% ± 7.45. Conclusions: The investigation delivery referential data regarding normal values for the efficiency of the vestibular ocular reflex in a specific sample, which serve as the basis for the implementation of future studies.

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