Abstract
Retrospective Analysis of Phonatory Outcomes after CO2 Laser Thyroarytenoid Myoneurectomy in Patients with Adductor Spasmodic Dysphonia
Highlights
Adductor spasmodic dysphonia (ADSD) is a focal laryngeal dystonia characterized by spasms of laryngeal muscles during speech
Trans oral Microlaryngoscopic CO2 laser Thyroarytenoid myoneurectomy (TAM) was performed in 14 patients (5 females and 9 males), aged between 19 and 64 years who were diagnosed with ADSD
GRBAS scale along with Multidimensional voice programme (MDVP) analysis of the voice and Video laryngo-stroboscopic (VLS) samples at the end of 3 and 12 months of surgery would be compared with the pre-operative readings
Summary
Adductor spasmodic dysphonia (ADSD) is a focal laryngeal dystonia characterized by spasms of laryngeal muscles during speech. A Microlaryngoscopic Transoral approach to CO2 laser Thyroarytenoid myoneurectomy (TAM) has been reported as an effective technique for treatment of ADSD. It provides sustained improvement in the voice over a longer duration. With a prevalence rate of 14 per 100,000 it predominantly affects women in the ratio of 2.5:1, with the peak of onset being between 30-50 years. It is classified mainly into Adductor Spastic Dysphonia (ADSD), Abductor Spastic Dysphonia and the mixed variant [5]. Abductor SD has uncontrolled spasms in abductor muscle resulting in breathy bursts when attempting to initiate phonation
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