Laryngoscopy evaluation protocol for the differentiation of essential and dystonic voice tremor

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dc.contributor.authorde Moraes, Bruno Teixeira [UNIFESP]
dc.contributor.authorde Biase, Noemi Grigoletto [UNIFESP]
dc.date.accessioned2019-01-21T10:30:07Z
dc.date.available2019-01-21T10:30:07Z
dc.date.issued2016
dc.description.abstractIntroduction: Although syndromes that cause voice tremor have singular characteristics, the differential diagnosis of these diseases is a challenge because of the overlap of the existing signs and symptoms. Objective: To develop a task-specific protocol to assess voice tremor by means of nasofibro-laryngoscopy and to identify those tasks that can distinguish between essential and dystonic tremor syndromes. Methods: Cross-sectional study. The transnasal fiberoptic laryngoscopy protocol, which consisted of the assessment of palate, pharynx and larynx tremor during the performance of several vocal and non-vocal tasks with distinct phenomenological characteristics, was applied to 19 patients with voice tremor. Patients were diagnosed with essential or dystonic tremor according to the phenomenological characterization of each group. Once they were classified, the tasks associated with the presence of tremor in each syndrome were identified. Results: The tasks that significantly contributed to the differential diagnosis between essential and dystonic tremor were /s/ production, continuous whistling and reduction of tremor in falsetto. These tasks were phenomenologically different with respect to the presence of tremor in the two syndromes. Conclusion: The protocol of specific tasks by means of transnasal fiberoptic laryngoscopy is a viable method to differentiate between essential and dystonic voice tremor syndromes through the following tasks: /s/ production, continuous whistling and reduction of tremor in falsetto. (C) 2015 Associacao Brasileira de Otorrinolaringologia e Cirurgia Cervico-Facial. Published by Elsevier Editora Ltda. All rights reserved.en
dc.description.affiliationDepartamento de Otorrinolaringologia, Ciências da Saúde, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brasil
dc.description.affiliationDepartamento de Otorrinolaringologia, Universidade Federal de Pernambuco (UFPE), Recife, PE, Brasil
dc.description.affiliationUnifespDepartamento de Otorrinolaringologia, Ciências da Saúde, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brasil
dc.description.sourceWeb of Science
dc.description.sponsorshipCoordenacao de Aperfeicoamento de Pessoal de Nivel Superior - CAPES
dc.format.extent88-96
dc.identifierhttp://dx.doi.org/10.1016/j.bjorl.2015.11.001
dc.identifier.citationBrazilian Journal Of Otorhinolaryngology. Sao paulo, v. 82, n. 1, p. 88-96, 2016.
dc.identifier.doi10.1016/j.bjorl.2015.11.001
dc.identifier.fileS1808-86942016000100088.pdf
dc.identifier.issn1808-8694
dc.identifier.scieloS1808-86942016000100088
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/49589
dc.identifier.wosWOS:000371652200014
dc.language.isoeng
dc.publisherAssoc brasileira otorrinolaringologia & cirurgia cervicofacial
dc.relation.ispartofBrazilian Journal Of Otorhinolaryngology
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectTremoren
dc.subjectEssential Tremoren
dc.subjectDystoniaen
dc.subjectLaryngoscopyAdductor Spasmodic Dysphoniaen
dc.subjectMovement-Disordersen
dc.subjectLaryngeal Dystoniaen
dc.subjectSpastic Dysphoniaen
dc.subjectSignen
dc.titleLaryngoscopy evaluation protocol for the differentiation of essential and dystonic voice tremoren
dc.titleProtocolo de avaliação por laringoscopia para diferenciar tremor vocal essencial e distônicopt
dc.typeinfo:eu-repo/semantics/article
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