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Abnormal ocular motility in a case of Wernicke encephalopathy Maro Kariya 1 , Hisao Terada 1 , Hiroshi Ishikawa 1 , Satoshi Kamei 2 1Dept of Ophthalmol, Nihon Univ Sch of Med 2Dept of Neurol, Nihon Univ Sch of Med pp.869-872
Published Date 1999/5/15
DOI https://doi.org/10.11477/mf.1410906351
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A 44-year-old male developed acute coma secondary to malnutrition and chronic alcoholism. He was diagnosed as Wernicke encephalopathy. Electro- oculography was performed on day 40 of the episode after recovery of systemic symptoms. It showed : bilateral abducens palsy, horizontal and vertical saccadic dysmetria, impairment of horizontal and upward smooth pursuit movements, horizontal and downward saccadic movements, and large-amplitude upbeat nystagmus in the primary position which increased on upward gaze and decreased on downward gaze. This case illustrates the usefulness of abnormal ocular motility in the early diagnosis of Wernicke encephalopathy. Upbeat nystagmus in the primary position, which is an unusual occurrence in general, can be suggestive of Wernicke encephalopathy.


Copyright © 1999, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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