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Longitudinal evaluation of vocal function after thyroplasty type I in the treatment of unilateral vocal paralysis.
Lu, F L; Casiano, R R; Lundy, D S; Xue, J W.
Afiliação
  • Lu FL; Department of Otolaryngology, University of Miami School of Medicine, Florida 33101, USA.
Laryngoscope ; 106(5 Pt 1): 573-7, 1996 May.
Article em En | MEDLINE | ID: mdl-8628083
This study investigated longitudinal changes of vocal efficiency and stability after primary thyroplasty type 1. Fifty-three patients with unilateral vocal-fold paralysis underwent vocal-function evaluation preoperatively and at periodic intervals of 1, 3, and 6 months postoperatively. Vocal-function assessment included videostrobolaryngoscopic examination, acoustical and aerodynamic analysis, and perceptual judgment of voice characteristics. Parameters that included glottic-gap size, maximum phonation time, glottic-flow rate, jitter, harmonic/noise ratio, breathiness, hoarseness, loudness, and phrasing showed significant improvement after thyroplasty and remained stable as early as 1 month postoperatively, with only slight fluctuations over a 6-month period. Postoperative voice outcome was not affected by age, sex, duration of vocal symptoms, cause of paralysis, or preoperative pulmonary function.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Cartilagem Tireóidea / Voz / Paralisia das Pregas Vocais Tipo de estudo: Etiology_studies / Observational_studies / Prognostic_studies Limite: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male / Middle aged Idioma: En Ano de publicação: 1996 Tipo de documento: Article
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Cartilagem Tireóidea / Voz / Paralisia das Pregas Vocais Tipo de estudo: Etiology_studies / Observational_studies / Prognostic_studies Limite: Adolescent / Adult / Aged / Aged80 / Female / Humans / Male / Middle aged Idioma: En Ano de publicação: 1996 Tipo de documento: Article