ideo Head Impulse Test – a Novel Method for Examination of Vestibular Apparatus

Česká verze

Authors: J. Šichnárek ^1,2; E. Mrázková ^1,2,3; E. Záthurecký ^1,2,3; K. Vojkovská ^1,2; V. Janout ¹
Authors place of work: Ústav epidemiologie a ochrany veřejného zdravotnictví, Lékařská fakulta, Ostravská Univerzita v Ostravě ¹; Centrum pro poruchy sluchu a rovnováhy, Ostrava ²; ORL oddělení, Nemocnice s poliklinikou Havířov ³
Published in the journal: Otorinolaryngol Foniatr, 68, 2019, No. 2, pp. 103-108.
Category: Přehledový článek

Summary

Diagnostics of balance disorders has undergone great changes over the last decades. From subjective clinical observation of vestibulospinal and vestibuloocular manifestations, the objective measurement of these manifestations by new methods and devices (stabilometry, videonystagmography, etc.) is used at the present time. The recent tendencies for objectivization of balance disorders, recording the results of individual examinations with subsequent comparison of the results and observation of the development of the disorder in time prevail. The Video Head Impulse Test (VHIT) is the most modern method which complements examination of the balance apparatus. The method enables to examine the complex of all semicircular canals of inner ear, which participate in keeping the balance. The activity of these canals if provided by a phylogenetically old three neuron pathway called vestibuloocular reflex (VOR). The main pathological finding of vHIT examination is the correction saccade of the eye as a compensation mechanism of the functional disorder of VOR. A high-speed camera is capable of recording the most minute and fastest saccade motions of the eye. The paper was intended to summarize available information abiuyt this new and objective method for examination of vestibular apparatus, which has been used in the Czech Republic since 2014.

Keywords:

Vertigo – vestibular disorders – balance examination – vestibuloocular reflex

Zdroje

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