Journal of Ear Nose Throat and Head Neck Surgery, cilt.32, sa.1, ss.8-15, 2024 (Scopus)
Objective: The aim of this study is to evaluate the effectiveness of voice therapy in patients with organic and functional dysphonia by using objective and subjective parameters. Material and Methods: One hundred and ten patients who met the criteria were included in the study. All patients underwent general ear-nose-throat (ENT) examinations. Video-laryngostroboscopic and flexible nasopharyngolaringoscopic laryngeal examinations were performed and image recordings were taken. Acoustic and aerodynamic voice analyzes were performed. Fundamental frequency (F0-Hz), jitter (%), shimmer (decibel-dB), harmonic noise ratio (HNR-dB) and maximum phonation time (MBT sec) were measured. The Voice-Related Quality of Life Questionnaire (VRQOL) was used for subjective voice evaluation. Voice therapy was given to the patients by the ENT physician who was conducting the research. At the end of the therapy, all measurements were repeated and the difference was analyzed. Results: Of the 110 patients, 76 were women and 34 were men. The mean age was 43.17±13.67 years. The median duration of dysphonia was 7 (minimum 1 to maximum 180) months. Organic dysphonia was detected in 70 patients, 53 had functional dysphonia. The distribution of organic dysphonias was 38.57% vocal cord nodules, 48.57% vocal cord paralysis, and 12.85% sulcus vocalis. 42.5% of functional dysphonias were muscle tension dysphonia, 57.5% of them were psychogenic dysphonia. After the voice therapy MBT and HNR were improved, jitter and shimmer values were reduced, and VRQOL scores increased in vocal cord paralysis, and nodules. In sulcus vocalis group, there were no significant changes in the acoustic, aerodynamic measurements, and VRQOL scores. In functional dysphonia group, positive changes were observed in acoustic analysis parameters with voice therapy. Also there was a significant improvement in quality of life scores. Conclusion: Voice therapy is an effective treatment method in suitable patient groups. It improves both sound quality and quality of life. When approaching patients with dysphonia, it should be primarily considered as a treatment method that is lowcost, easy to implement, and allows close patient follow-up.