期刊
BASIC AND CLINICAL ASPECTS OF VERTIGO AND DIZZINESS
卷 1164, 期 -, 页码 331-333出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1749-6632.2009.03850.x
关键词
head thrust test; search-coil recording; high-frame-rate video-oculography (VOG); bedside test; vestibulo-ocular reflex (VOR); semicircular canal
Head impulses are a routine clinical test of semicircular canal function. At the bedside, they are used to detect malfunctioning of the horizontal semicircular canals. So far, 3D-search-coil recording is required to reliably test anterior and posterior canal function and to determine the gain of the vestibulo-ocular reflex (VOR). Search-coil recording cannot be done at the bedside. Here we tested whether video-oculography (VOG) is suitable to assess VOR gain for individual canals at the bedside. We recorded head impulses in healthy subjects using a mobile high-frame-rate, head-mounted VOG-device and compared the results with those obtained with standard search-coil recording. Our preliminary results indicate that high-frame-rate VOG is a promising tool to measure and quantify individual semicircular canal function not only at the bedside.
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