| A comparison of electrocochleography and high-pass noise masking of auditory brainstem response for diagnosis of Ménière's disease. | |
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MedLine Citation:
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PMID: 22809268 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Abstract Objective: To study differences between electrocochleography (ECochG) and cochlear hydrops analysis masking procedure (CHAMP) in diagnosis of Ménière's disease. Design: Retrospective case review from a tertiary referral center. Study sample: Thirty patients suspected to have Ménière's disease were assessed by ECochG and CHAMP tests. Results: Positivity of ECochG with SP/AP amplitude ratio >.40 or >.35 was compared with CHAMP V-delay or CHAMP R × D. Positive ECochG results were found in 43% (>.40 SP/AP ratio) and 63% (>.35 SP/AP ratio) of patients, comparing to positive CHAMP V delay in 27% and CHAMP R × D in 30% of patients. A significant difference (p <.01) was found between ECochG and CHAMP in diagnostic sensitivity. Also, a positive inter-aural correlation was found in CHAMP results (p <.003), but not in ECochG (p =.082) results. Conclusions: ECochG is a more sensitive test than CHAMP in detecting the presence of endolymphatic hydrops in Ménière's patients. CHAMP covaried interaurally in unilateral Ménière's patients whereas ECochG did not. |
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Authors:
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Donnia Zack-Williams; Richard M Angelo; Qing Yue |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-7-19 |
Journal Detail:
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Title: International journal of audiology Volume: - ISSN: 1708-8186 ISO Abbreviation: - Publication Date: 2012 Jul |
Date Detail:
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Created Date: 2012-7-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101140017 Medline TA: Int J Audiol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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* Professional Hearing Services - The Dizziness and Balance Center , Falls Church, Virginia , USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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