Otolaryngology Online Journal

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Case Report - Otolaryngology Online Journal (2020) Volume 10, Issue 3

Determination of the Test Retests Reliability of the Otometrics Video Head Impulse Test (Vhit) Among Healthy Adults

Video head impulse test (vHIT) is a clinical head impulse test to evaluate the vestbulo ocular re?ex (VOR). The VOR is the re?ex mechanism that carries out the functon of gaze stabilizaton which is one of the most important functons of the balance system. Material and Methods: Main aim of this study to determine the test retest reliability of the otometrics video head impulse test (vHIT) among healthy adults aged 18 to 35 years (mean age of 22.51 years). A repeated measures study that recruited 51 young adults (102 ears, 33% were males and 67% were females). All subjects flled Malay Version Vertgo Symptom Scale (MVVSS) as a screening then vHIT testng done for the frst and second session within 1 to 2 weeks. The vHIT was carried out according to the standard protocol and the head of the partcipants were rotated in the di?erent planes which was lateral, anterior and posterior. Results: The lateral canals have high gain compared to anterior and posterior canals in session 1 and session 2. Then, there is no signifcance di?erence (p>0.05 between VOR gain of session 1 and session 2 for each semicircular canals except for the lef lateral. The right lateral showed the highest correlaton ~ 0.746 while right anterior showed the lowest correlaton ~ 0.545. However, the overall canals revealed moderate to high correlaton (0.5 to 0.7). Conclusion: vHIT is a good test to determine the vestbular functon by measuring the VOR gain of each canal.

Author(s): Zuraida Z*, Shamhana AY, Mohd Normazi Z

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