| Re-evaluation of normative electronystagmography data in healthy ageing. | |
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MedLine Citation:
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PMID: 10971529 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Previous work by our group questions the validity of existing electronystagmography (ENG) reference ranges in the elderly. We aim to establish valid reference ranges for ENG in people over 65 on the Nicolet Nystar Plus system. Ninety-six healthy asymptomatic subjects over 65 underwent ENG, including spontaneous and positional nystagmus, saccades, smooth pursuit, optokinetic nystagmus and bithermal calorics; 95% reference ranges with confidence intervals were calculated. The newly determined reference ranges were far wider than those provided by the ENG equipment manufacturer for eight out of 11 parameters (all P < 0.001). Vestibular function is known to deteriorate and become more variable with age. The failure to reflect this change in currently used reference ranges may have contributed to the high rates of vestibular disease reported in some series of dizzy elderly patients. Clinical interpretation of ENG depends on valid reference ranges. |
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Authors:
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D Hajioff; R M Barr-Hamilton; N R Colledge; S J Lewis; J A Wilson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical otolaryngology and allied sciences Volume: 25 ISSN: 0307-7772 ISO Abbreviation: Clin Otolaryngol Allied Sci Publication Date: 2000 Aug |
Date Detail:
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Created Date: 2000-10-19 Completed Date: 2000-10-19 Revised Date: 2005-05-02 |
Medline Journal Info:
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Nlm Unique ID: 7701793 Medline TA: Clin Otolaryngol Allied Sci Country: ENGLAND |
Other Details:
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Languages: eng Pagination: 249-52 Citation Subset: IM |
Affiliation:
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Department of Otolaryngology, Freeman Hospital, Newcastle, Department of Audiology and Department of Medicine, University of Edinburgh, UK. dh@pobox.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Aged, 80 and over Aging / physiology* Electronystagmography* / instrumentation Female Humans Male Reference Values |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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