Universidade do Vale do Itajaí (UNIVALI), Itajaí, Santa Catarina, Brazil; Associação Educacional Luterana Bom Jesus (IELUSC), Joinville, Santa Catarina, Brazil.
Departamento de Clínica Médica, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil.
J Voice. 2021 Mar;35(2):259-270. doi: 10.1016/j.jvoice.2019.08.018. Epub 2019 Oct 31.
Obtain aerodynamic vocal measurements of dysphonic female teachers from two groups, before and after a brief and intensive short-term voice therapy using the finger kazoo technique, compare to the respective control groups, and compare between the two study groups.
A randomized blind controlled clinical trial.
A randomized blind controlled clinical trial. Measurements of maximum phonation time and sound pressure level (dB SPL) were measured before and after intensive short-term vocal therapy in 24 teachers with and without structural laryngeal disorders and 17 controls with and without structural laryngeal disorder.
There was significant reduction in the maximum phonation time of /e/ for the group with no structural laryngeal disorder, and a significant reduction of the maximum sound pressure level for the group with structural laryngeal disorder.
Based on the observed results, a significant reduction in the maximum phonation time of /e/ for the group with no structural laryngeal disorder, and a significant reduction of the maximum sound pressure level for the group with structural laryngeal disorder, it is possible that finger kazoo reduced the glottal hyperfunction by improving the balance between the respiratory and the glottal vocal production levels during speech.
使用手指卡祖笛技术对两组有和无结构声带障碍的发音障碍女性教师进行短暂而集中的短期语音治疗前后的空气动力学发声测量，并与各自的对照组进行比较，并比较两个研究组之间的差异。
随机盲法对照临床试验。
对 24 名有和无结构声带障碍的教师和 17 名有和无结构声带障碍的对照组进行随机盲法对照临床试验。测量最大发音时间和声压级（dB SPL），在集中的短期语音治疗前后进行测量。
无结构声带障碍组的 /e/ 最长发音时间显著缩短，结构声带障碍组的最大声压级显著降低。
根据观察结果，无结构声带障碍组的 /e/ 最长发音时间显著缩短，结构声带障碍组的最大声压级显著降低，手指卡祖笛通过改善呼吸和声带发声水平之间的平衡，有可能降低声带亢进。在言语过程中。
