Παρασκευή 1 Νοεμβρίου 2019

Clinical significance of head shake movement in three planes in individuals with dizziness
Author links open overlay panelBüşraAltınSongülAksoy
Department of Audiology, Faculty of Health Sciences, Hacettepe University, 06100, Ankara, Turkey
Received 7 September 2019, Available online 30 October 2019.

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https://doi.org/10.1016/j.amjoto.2019.102308Get rights and content
Abstract
Purpose
This study aims to evaluate the efficacy of head shake movement on three head movement planes (yaw, pitch and, roll) in patients with dizziness despite normal vestibular test results.

Materials and methods
Twenty individuals aged between 20 and 51 years with complaints of dizziness were included in the study, and their results were compared with the results from twenty age- and gender-matched controls. Participants were assessed using the Sensory Organization Test, Head Shake-Sensory Organization Test which is based on the modification of the Sensory Organization Test on the yaw, pitch, and roll planes, videonystagmography, caloric test, and Dizziness Handicap Inventory.

Results
Significant differences were found in the yaw (p = 0.007), pitch (p < 0.001), and roll (p = 0.002) planes between the study and control groups of the Head Shake-Sensory Organization Test-5 scores. There were no statistically significant differences between the two groups of the Head Shake-Sensory Organization Test-2 scores in the yaw (p = 0.448), pitch (p = 0.213), and roll (p = 0.531) planes. When the sensitivity and specificity of Head Shake-Sensory Organization Test-5 conditions were examined, the highest specificity was observed in the pitch plane (100%), followed by the yaw (95%) and roll plane (95%).

Conclusion
Dynamic head movements are an important parameter for the evaluation of balance performance. The head shake modification could be used effectively in three-movement planes in individuals with dizziness.

Keywords
PosturographyDizzinessHead shakeBalanceVestibular
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