Graphic angle measure as an electrocochleography evaluation parameter

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dc.contributor.authorLopes, Karen de Carvalho [UNIFESP]
dc.contributor.authorMunhoz, Mario Sergio Lei [UNIFESP]
dc.contributor.authorSantos, Marco Aurélio Rocha [UNIFESP]
dc.contributor.authorDutra Moraes, Marcio Flavio
dc.contributor.authorChaves, Adriana Gonzaga [UNIFESP]
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionUniversidade Federal de Minas Gerais (UFMG)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2018-06-15T16:24:04Z
dc.date.available2018-06-15T16:24:04Z
dc.date.issued2011-03-01
dc.description.abstractTo improve electrocochleography's diagnostic sensitivity in Meniere's disease - new assessment methods are being studied.Aim: To determine whether or not graphic angle measurement is sensitive and specific to Meniere's disease laboratorial diagnosis and if there is an increase in the electrocochleography's sensitivity and specificity when graphic angle measurements are associated with Summating Potential-Action Potential ratio (SP/AP ratio).Methods: Electrocochleography's was used to analyze 71 ears from 55 subjects: 41 patients with clinical diagnosis of Meniere's disease (MD group), and 14 healthy individuals as control (Group C). Graphic results were analyzed initially to obtain the SP/AP ratio; afterwards, through another program graphic angle measurements were calculated.Results: Sensitivity and specificity values of angle measures, SP/AP ratio, and the association between them varied according to the cutoff point, the highest equilibrium between sensitivity and specificity was observed with the values of 166.25 for angle measurement and 27% for SP/AP relation; 62.79% / 60.71% and 74.42% / 67.86%, respectively. The association between measurements showed a sensitivity increase due to the specificity decrease; 88.37% and 50%, respectively.Conclusion: Angle graphic measurement is not sensitive and specific enough for the laboratorial diagnosis of MD. Angle graphic measurement and SP/AP ratio association proved to be higher in sensitivity, in detriment of exam specificity.en
dc.description.affiliationUniv Fed Sao Paulo, Paulista Sch Med, Dept Otolaryngol & Head & Neck Surg, Sao Paulo, Brazil
dc.description.affiliationUniv Fed Minas Gerais, Sch Med, Belo Horizonte, MG, Brazil
dc.description.affiliationUniv Sao Paulo, Med Sch Ribeirao Preto, BR-05508 Sao Paulo, Brazil
dc.description.affiliationUniv Fed Minas Gerais, Dept Physiol & Biophys, Belo Horizonte, MG, Brazil
dc.description.affiliationUniv Fed Minas Gerais Belo Horizonte MG Brasil, Hosp Clin, Setor Audiol Anexo Sao Geraldo, Belo Horizonte, MG, Brazil
dc.description.affiliationUniv Fed Sao Paulo, Dept Otorrinolaringol & Cirurgia Cabeca & Pescoco, Escola Paulista Med, Sao Paulo, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo, Paulista Sch Med, Dept Otolaryngol & Head & Neck Surg, Sao Paulo, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo, Dept Otorrinolaringol & Cirurgia Cabeca & Pescoco, Escola Paulista Med, Sao Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent214-220
dc.identifierhttp://dx.doi.org/10.1590/S1808-86942011000200011
dc.identifier.citationBrazilian Journal Of Otorhinolaryngology. Sao Paulo: Assoc Brasileira Otorrinolaringologia & Cirurgia Cervicofacial, v. 77, n. 2, p. 214-220, 2011.
dc.identifier.doi10.1590/S1808-86942011000200011
dc.identifier.fileS1808-86942011000200011-en.pdf
dc.identifier.fileS1808-86942011000200011-pt.pdf
dc.identifier.issn1808-8694
dc.identifier.scieloS1808-86942011000200011
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/43148
dc.identifier.wosWOS:000293578500011
dc.language.isoeng
dc.publisherAssoc Brasileira Otorrinolaringologia & Cirurgia Cervicofacial
dc.relation.ispartofBrazilian Journal Of Otorhinolaryngology
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectendolymphatic hydropsen
dc.subjectmeniere diseaseen
dc.subjectaudiometryen
dc.subjectevoked responseen
dc.titleGraphic angle measure as an electrocochleography evaluation parameteren
dc.title.alternativeA medida angular gráfica como parâmetro de avaliação da eletrococleografiapt
dc.typeinfo:eu-repo/semantics/article
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