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Abnormal Vestibular Evoked Myogenic Potentials in Medial Medullary Infarction

Cited 9 time in Web of Science Cited 9 time in Scopus
Authors
Shin, Je-Young; Song, Hyun-Seok; Koo, Ja-Won; Lee, Hak-Seung; Kim, Ji Soo
Issue Date
2009-06
Publisher
KOREAN NEUROLOGICAL ASSOC
Citation
JOURNAL OF CLINICAL NEUROLOGY; Vol.5 2; 101-103
Keywords
vestibular-evoked myogenic potentialsmedial medullary infarctionsaccule
Abstract
Background The medial vestibulospinal tract (MVST), which descends in the medial longitudinal fasciculus (MLF), may mediate the vestibular evoked myogenic potentials (VEMPs) in the contracting sternocleidomastoid muscle. We report herein abnormal VEMPs in a patient with medial medullary infarction (MMI) that appeared to involve the MLF. Case Report A patient with infarction involving the right medial medulla showed decreased p13-n23 amplitude and increased p13/n23 latencies of the VEMPs on the right side. These abnormal VEMPs recorded in all MMI patient support the theory that VEMPs are mediated by the MVST contained within the MLF. Conclusions VEMPs may represent a valuable tool for investigating vestibular dysfunction originating from the saccule, even ill patients with central vestibulopathies, which is not readily defined by conventional vestibular function tests. J Clin Neurol 2009;5:101-103
ISSN
1738-6586
Language
English
URI
http://hdl.handle.net/10371/77384
DOI
https://doi.org/10.3988/jcn.2009.5.2.101
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Neurology (신경과학교실)Journal Papers (저널논문_신경과학교실)
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