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Clinical and video head impulse test in the diagnosis of posterior circulation stroke presenting as acute vestibular syndrome in  the emergency department.
CONCLUSIONS: Clinical HIT, either performed by an emergency specialist or neurologist is equivalent to vHIT gain and gain asymmetry analysis as conducted by neuro-otologist in the diagnosis of PCS, albeit mislabeling about 20% of VN patients. vHIT does not appear to yield additional diagnostic information. These findings indicate the strength of clinical HIT. Pure gain-based vHIT analysis seems limited and needs to be incorporated with saccade analysis. PMID: 29081427 [PubMed - in process]
Source: Journal of Vestibular Research: Equilibrium and Orientation - November 1, 2017 Category: Neuroscience Tags: J Vestib Res Source Type: research

Impact of artifacts on VOR gain measures by video-oculography in the acute vestibular syndrome.
CONCLUSIONS: The bedside HIT remains the single best method for discriminating between vestibular neuritis and PICA stroke in patients presenting AVS. Quantitative VOG HIT testing in the ED is associated with frequent artifacts that reduce precision but not accuracy. At least 10-20 properly-performed HIT trials per tested ear are recommended for a precise VOR gain estimate. PMID: 27814312 [PubMed - in process]
Source: Journal of Vestibular Research: Equilibrium and Orientation - November 6, 2016 Category: Neuroscience Tags: J Vestib Res Source Type: research

Vascular vertigo and dizziness: Diagnostic criteria
J Vestib Res. 2022 Mar 31. doi: 10.3233/VES-210169. Online ahead of print.ABSTRACTThis paper presents diagnostic criteria for vascular vertigo and dizziness as formulated by the Committee for the Classification of Vestibular Disorders of the Bárány Society. The classification includes vertigo/dizziness due to stroke or transient ischemic attack as well as isolated labyrinthine infarction/hemorrhage, and vertebral artery compression and subclavian steal syndromes. Vertigo and dizziness are among the most common symptoms of posterior circulation strokes. Vascular vertigo/dizziness may be acute and prolonged (≥24 hours) o...
Source: Journal of Vestibular Research: Equilibrium and Orientation - April 3, 2022 Category: Neuroscience Authors: Ji-Soo Kim David E Newman-Toker Kevin A Kerber Klaus Jahn Pierre Bertholon John Waterston Hyung Lee Alexandre Bisdorff Michael Strupp Source Type: research

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