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Revista de investigación e innovación en ciencias de la salud
versão On-line ISSN 2665-2056
Resumo
FERNANDEZ MEDINA, Raquel Arely. Muscle tension dysphonia: concept and diagnostic criteria. Review article. Rev. Investig. Innov. Cienc. Salud [online]. 2021, vol.3, n.2, pp.35-46. Epub 14-Dez-2021. ISSN 2665-2056. https://doi.org/10.46634/riics.67.
Introduction:
Muscle tension dysphonia has been defined since 1983 as a disorder in which there is an imbalance in laryngeal muscle tension forces, without evidence of structural or neurological pathology; it has also been called type I muscle tension dysphonia. The characteristics that in practice have been considered part of the diagnosis are not standardized.
Objective:
To review current information, not older than 5 years, on muscle tension dysphonia, unifying current diagnostic criteria.
Methodology:
A systematic search was carried out through the Pub Med, Google scholar and Cochrane databases. The MESH terms used were: muscle tension dysphonia, functional dysphonia, hyperkinetic dysphonia, and vocal fatigue. Inclusion criteria: articles published in peer-reviewed journals, regardless of design and published no more than 5 years before. Exclusion criteria: articles whose main focus was not muscle tension dysphonia and with a language other than English or Spanish.
Results:
Two studies report more pathology in women than men; four investigations report increased subglottic pressure (> 90 mmHg); three studies reported phonatory measures; a work proposes high resolution video as a demonstration of vocal hyperfunction; an investigation evaluated mucosal wave by electroglottography; an investigation studied the use of functional magnetic resonance imaging; another work proposed a pilot study of infrahyoid muscle blood flow assessment: another work reviews the use of diagnostic methods.
Conclusions:
The parameters of greater weight were cepstral peak and subglottic pressure. It is still necessary to expand the knowledge with new research that allows universal criteria.
Palavras-chave : Functional dysphonia; hyperkinetic dysphonia; vocal fatigue; muscle tension dysphonia; larynx; diagnosis; criteria; cepstral peak; subglottic pressure.