Usability of the Video Head Impulse Test: Lessons From the Population-Based Prospective KORA Study

Frontiers in Neurology
Maria HeubergerNadine Lehnen

Abstract

Objective: The video head impulse test (vHIT) has become a common examination in the work-up for dizziness and vertigo. However, recent studies suggest a number of pitfalls, which seem to reduce vHIT usability. Within the framework of a population-based prospective study with naïve examiners, we investigated the relevance of previously described technical mistakes in vHIT testing, and the effect of experience and training. Methods: Data originates from the KORA (Cooperative Health Research in the Region of Augsburg) FF4 study, the second follow-up of the KORA S4 population-based health survey. 681 participants were selected in a case-control design. Three examiners without any prior experience were trained in video head impulse testing. VHIT quality was assessed weekly by an experienced neuro-otologist. Restrictive mistakes (insufficient technical quality restricting interpretation) were noted. Based on these results, examiners received further individual training. Results: Twenty-two of the 681 vHITs (3.2%) were not interpretable due to restrictive mistakes. Restrictive mistakes could be grouped into four categories: slippage, i.e., goggle movement relative to the head (63.6%), calibration problems (18.2%), noise (13.6%), and ...Continue Reading

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Citations

Feb 15, 2020·Ear and Hearing·Gabriel Trinidad-RuizNicolas Perez-Fernandez
Sep 16, 2020·Acta Oto-laryngologica·Yi DuShiming Yang
Aug 9, 2020·Journal of Neurology·Dmitrii StarkovRaymond van de Berg
Feb 9, 2021·Frontiers in Neurology·Athanasia KordaGeorgios Mantokoudis

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