The functional head impulse test is a new test of vestibular function based on the ability to recognize the orientation of a Landolt C optotype that briefly appears on a computer screen during passive head impulses imposed by the examiner over a range of head accelerations. Here, we compare its results with those of the video head impulse test on a population of vestibular neuritis patients recorded acutely and after 3 months from symptoms onset. The preliminary results presented here show that while both tests are able to identify the affected labyrinth and to show a recovery of vestibular functionality at 3 months, the two tests are not redundant, but complementary. Keywords Functional vestibular testing · Head impulse test · fHIT · Vestibular neuritis · Vestibular rehabilitation assessment Introduction stationary target, typically the nose of the examiner, while his/her head is passively, abruptly rotated to one side. Dur- The seminal work of Halmagyi and Curthoys introduced ing the maneuver, the examiner closely looks at the patient’s the clinical use of abrupt transients of head rotation (head eyes looking for the occurrence of a fast corrective move- impulses) as a technique for unveiling unilateral vestibular ment bringing the eyes back on target at the end of
Journal of Neurology – Springer Journals
Published: Jun 4, 2018
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