Aerodynamic findings in esophageal voice

Archives of Otolaryngology--head & Neck Surgery
S MottaL Di Rienzo


To define the perceptive and aerodynamic characteristics of esophageal voice in relation to different rehabilitation modalities. Cross-sectional study comparing perceptive and aerodynamic variables in 3 subject groups. Referral center. A total of 19 subjects who underwent total laryngectomy were divided into groups A and B. Group A consisted of 13 subjects (who required speech therapy)-8 good speakers (subset A(1) who were >80% intelligible) and 5 mediocre speakers (subset A(2) who were <70% intelligible). Group B consisted of 6 subjects with a tracheoesophageal prosthesis (who were >90% intelligible). Perceptive variables included phonatory pauses and stomal noise. Aerodynamic variables included maximum phonation time, phonatory flow, phonatory volume, postphonatory volume, intensity, and articulatory pressure. Phonatory pauses and stomal noise statistically differentiated group A from group B and good speakers from mediocre speakers. Phonation time, phonatory volume, and phonatory flow were statistically higher in group B subjects compared with group A subjects. Postphonatory volume was significantly higher in group A. Intraoral pressure and postphonatory volume were statistically higher in subset A(2) subjects compared with ...Continue Reading


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