Visual-perceptive assessment of glottic characteristics of vocal nodules by means of high-speed videoendoscopy

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dc.creatorGustavo Polacow Korn
dc.creatorAna Cristina Côrtes Gama
dc.creatorUalisson Nogueira do Nascimento
dc.date.accessioned2025-08-01T19:13:54Z
dc.date.accessioned2025-09-08T23:45:01Z
dc.date.available2025-08-01T19:13:54Z
dc.date.issued2023
dc.format.mimetypepdf
dc.identifier.doi10.1016/j.bjorl.2023.05.002
dc.identifier.issn18088694
dc.identifier.urihttps://hdl.handle.net/1843/83965
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.rightsAcesso Aberto
dc.subjectVocal cords
dc.subjectVocal Cord Dysfunction
dc.subjectLaryngoscopy
dc.subjectEndoscopy
dc.subject.otherVocal cords
dc.subject.otherLaryngoscopy
dc.subject.otherVocal Cord Dysfunction
dc.subject.otherEndoscopy
dc.titleVisual-perceptive assessment of glottic characteristics of vocal nodules by means of high-speed videoendoscopy
dc.typeArtigo de periódico
local.citation.epage8
local.citation.issue4
local.citation.spage1
local.citation.volume89
local.description.resumoObjective: Visual-perceptive assessment of glottic characteristics of vocal nodules by means of high-speed videoendoscopy.Methods Descriptive observational research with convenience sampling of five laryngeal videos of women with an average age of 25 years. The diagnosis of vocal nodules was defined by two otolaryngologists, with 100% intra-rater agreement and 53.40% inter-rater agreement and five otolaryngologists as judge assessed the laryngeal videos based on an adapted protocol. The statistical analysis calculated measures of central tendency and dispersion, as well as percentage. The AC1 coefficient was used for agreement analysis. Results In high-speed videoendoscopy imaging, vocal nodules are characterized by amplitude of the mucosal wave and muco-undulatory movement with magnitude between 50% and 60%. Non-vibrating segments of vocal folds are scarce, and the glottal cycle does not show a predominant phase, it is symmetric and periodic. Glottal closure is characterized by the presence of a mid-posterior triangular chink (double chink or isolated mid-posterior triangular chink), without movement of supraglottic laryngeal structures, with irregular contour of the free edge of vocal folds, which are vertically on-plane.Conclusion: Vocal nodules present mid-posterior triangular chink and irregular free edge contour. Amplitude and mucosal wave were partially reduced. Level of evidence: Level 4 (Case-series).
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE FONOAUDIOLOGIA
local.publisher.departmentMED - DEPARTAMENTO DE OFTALMOLOGIA E OTORRINOLARINGOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://doi.org/10.1016/j.bjorl.2023.05.002

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