Journal of voice : official journal of the Voice Foundation · 2010
Acoustic analysis of voice in Huntington's disease patients.
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Velasco García María Jesús, Cobeta Ignacio, Martín Gonzalo, Alonso-Navarro Hortensia, Jimenez-Jimenez Félix Javier
Аннотация
BACKGROUND/OBJECTIVES: Alterations of voice and speech are frequently observed in Huntington's disease (HD). The aim of this study was to assess the degree of voice and speech abnormalities in a group of patients with HD and to analyze possible correlations with degree of disease severity.
PATIENTS/METHODS: An observational study was carried out on diagnosed cases and controls. The voices of 20 patients were analyzed and compared with an age- and sex-matched control group. Variables analyzed included subjective voice exploration, analysis of aerodynamic efficiency, acoustic analysis measures, and laryngeal examination descriptions. Results obtained were correlated with degree of disease severity.
RESULTS: Changes in the Voice Handicap Index and clinical characteristics of the voice were observed. Maximum phonation time was reduced. Acoustic analysis revealed changes that were analyzed. Uncontrolled adduction-abduction movements were observed by laryngeal examination. All results showed a positive correlation with degree of disease severity assessed by the Unified Huntington's Disease Rating Scale.
CONCLUSIONS: HD causes alterations in subjective voice features, aerodynamic and acoustic analysis measures that are correlated with disease severity.
PATIENTS/METHODS: An observational study was carried out on diagnosed cases and controls. The voices of 20 patients were analyzed and compared with an age- and sex-matched control group. Variables analyzed included subjective voice exploration, analysis of aerodynamic efficiency, acoustic analysis measures, and laryngeal examination descriptions. Results obtained were correlated with degree of disease severity.
RESULTS: Changes in the Voice Handicap Index and clinical characteristics of the voice were observed. Maximum phonation time was reduced. Acoustic analysis revealed changes that were analyzed. Uncontrolled adduction-abduction movements were observed by laryngeal examination. All results showed a positive correlation with degree of disease severity assessed by the Unified Huntington's Disease Rating Scale.
CONCLUSIONS: HD causes alterations in subjective voice features, aerodynamic and acoustic analysis measures that are correlated with disease severity.