Document Detail

Vestibular evoked myogenic potentials in patients with benign paroxysmal positional vertigo involving each semicircular canal.
MedLine Citation:
PMID:  18439953     Owner:  NLM     Status:  MEDLINE    
PURPOSE: We have investigated vestibular evoked myogenic potentials (VEMPs) as a function of age and the involvement of each of the 3 semicircular canals in patients with benign paroxysmal positional vertigo (BPPV). MATERIALS AND METHODS: We performed prospective assessment from January 2005 to September 2006. Vestibular evoked myogenic potential was measured in 53 patients with BPPV and 84 healthy subjects, with the latter subdivided by patient age. RESULTS: The subgroup of healthy subjects older than 60 years showed significantly more prolonged p13 and n23 latencies and lower amplitude than the other 2 subgroups. Of the 53 patients with BPPV, 13 (24.5%) showed abnormal VEMP responses on the affected side when compared with their age-related control subgroup. There was no correlation between VEMP findings and the affected semicircular canal. CONCLUSION: Patients with BPPV may show abnormal VEMP findings, irrespective of the involved semicircular canal, and age was associated with VEMP results suggesting degeneration of the maculae of the saccule.
Seok Min Hong; Dong Choon Park; Seung Geun Yeo; Chang Il Cha
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Publication Detail:
Type:  Comparative Study; Journal Article     Date:  2008-03-17
Journal Detail:
Title:  American journal of otolaryngology     Volume:  29     ISSN:  1532-818X     ISO Abbreviation:  Am J Otolaryngol     Publication Date:    2008 May-Jun
Date Detail:
Created Date:  2008-04-28     Completed Date:  2008-12-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8000029     Medline TA:  Am J Otolaryngol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  184-7     Citation Subset:  IM    
Department of Otorhinolaryngology and Head and Neck Surgery, College of Medicine, Kyung Hee University, Seoul, South Korea.
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MeSH Terms
Aged, 80 and over
Diagnosis, Differential
Electromyography / methods
Evoked Potentials, Auditory / physiology*
Middle Aged
Muscle Contraction / physiology
Neck Muscles / innervation,  physiopathology*
Retrospective Studies
Semicircular Canals / innervation,  physiopathology*
Severity of Illness Index
Vertigo / diagnosis,  physiopathology*
Vestibular Function Tests / methods
Young Adult

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