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The efficiency of the DoctorVox voice therapy technique in conversion dysphonia and aphonia
Engin Başer1, İsmail İlter Denizoğlu2
1Otorhinolaryngology, Head and Neck Surgery Department, ENTU Clinic, Balıkesir, Turkey.
Objective:
The main purpose of this study was to retrospectively evaluate the efficiency of DoctorVox voice therapy in psychogenic dysphonia or aphonia patients, and to share the mid- to long-term results of the method.
Methods:
The study was carried out on patients who underwent DoctorVox voice therapy for psychogenic dysphonia or aphonia between January 2015 and September 2019. The evaluation methods used were: the Voice Handicap Index-10; the grade, roughness, breathiness, asthenia and strain ('GRBAS') scale; and videolaryngostroboscopy recordings.
Results:
The mean Voice Handicap Index-10 values of the patients were 30.91 ± 2.97 before treatment, 8.14 ± 3.82 after treatment, and 3.36 ± 1.78 in the final follow-up examination. The grade, roughness, breathiness, asthenia and strain scale scores were: 9 ± 0.67 pre-treatment, 0.78 ± 0.80 post-treatment, and 0.57 ± 0.64 at the final follow up.
Conclusion:
DoctorVox voice therapy seems to be an efficient treatment method for psychogenic dysphonia or aphonia; it helps develop phonatory muscle functions, using multidimensional biofeedback mechanisms, and increases the patients' therapy adherence.
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