Annals of Clinical Neurophysiology

The Korean Society of Clinical Neurophysiology (대한임상신경생리학회)
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Vestibular Evoked Myogenic Potentials in Supratentorial Infarction Patients

천막위 뇌경색 환자에서 전정유발근육전위

  • Kim, Kwang-Ki (Department of Neurology, DongGuk University International Hospital) ;
  • Lee, Seung Hwan (Department of Neurology, College of Medicine, Kangwon National University) ;
  • Lee, Seo-Yeong (Department of Neurology, College of Medicine, Kangwon National University) ;
  • Son, Hong Seok (Department of Neurology, College of Medicine, Kangwon National University) ;
  • Kim, Sung Hun (Department of Neurology, College of Medicine, Kangwon National University)
  • 김광기 (동국대학교 의과대학 신경과학교실) ;
  • 이승환 (강원대학교 의과대학 신경과학교실) ;
  • 이서영 (강원대학교 의과대학 신경과학교실) ;
  • 손홍석 (강원대학교 의과대학 신경과학교실) ;
  • 김성훈 (강원대학교 의과대학 신경과학교실)
  • Published : 2006.06.30
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Abstract

Background: Vstibular evoked myogenic potentials(VEMP) have been known to be useful documenting abnormality in patients with various vestibular disorders and brainstem lesions but the studies of VEMP in patients with hemispheric lesions are rare. Methods: We recorded VEMP in 21 consecutive patients with acute ischemic stroke in the supratentorial lesions without evidence of brainstem or vestibular end organ lesions. All patients underwent magnetic resonance imaging and the main outcome measures of VEMP were recorded in all subjects. We interpreted each parameters of VEMP using our normal laboratory data. Results: VEMP abnormalities(prolonged latency or asymmetry of amplitude) were found in 57%(12/21) of acute infarction patients with supratentorial lesions. Bilateral VEMP abnormalities were found in six patients and unilateral abnormalities were found in another six patients with ipsilateral abnormalities in the three and controlateral abnormalities in the three patients. Conclusions: VEMP abnormalities were found in supratentorial stroke patients in our studies and this findings suggest supranuclear control may affect the generation of VEMP potentials.

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