Document Detail


A comparison of electrocochleography and high-pass noise masking of auditory brainstem response for diagnosis of Ménière's disease.
MedLine Citation:
PMID:  22809268     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
Donnia Zack-Williams; Richard M Angelo; Qing Yue
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-19
Journal Detail:
Title:  International journal of audiology     Volume:  -     ISSN:  1708-8186     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101140017     Medline TA:  Int J Audiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
* Professional Hearing Services - The Dizziness and Balance Center , Falls Church, Virginia , USA.
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