World Journal of Otorhinolaryngology-Head and Neck SurgerySpasmodic dysphonia is a laryngeal dystonia that can present as adductor, abductor, or mixed types, with or without tremor. The etiology is not understood fully. Comprehensive evaluation is required to establish the diagnosis.
Aaron J. Jaworek, Robert T. Sataloff
doaj +6 more sources
Significance of age and sex in botulinum neurotoxin dosing for adductor spasmodic dysphonia [PDF]
World Journal of Otorhinolaryngology-Head and Neck Surgery, 2023 Objectives This study aims to analyze the impact of age and sex on botulinum neurotoxin (BoNT‐A) dosing and outcomes in adductor spasmodic dysphonia (AdSD). Methods A database review of all spasmodic dysphonia patients treated with BoNT from 1989 to 2018
Richard Heyes +4 more
doaj +4 more sources
Transcranial magnetic stimulation and functional magnet resonance imaging evaluation of adductor spasmodic dysphonia during phonation [PDF]
Brain Stimulation, 2020 Background: Reduced intracortical inhibition is a neurophysiologic finding in focal dystonia that suggests a broader problem of impaired cortical excitability within the brain.
Mo Chen +6 more
doaj +3 more sources
Machine Learning Assessment of Spasmodic Dysphonia Based on Acoustical and Perceptual Parameters [PDF]
Bioengineering, 2023 Adductor spasmodic dysphonia is a type of adult-onset focal dystonia characterized by involuntary spasms of laryngeal muscles. This paper applied machine learning techniques for the severity assessment of spasmodic dysphonia.
Federico Calà +7 more
doaj +2 more sources
Botulinum Toxin Therapy for Spasmodic Dysphonia in Japan: The History and an Update [PDF]
Toxins, 2022 Spasmodic dysphonia (SD) is a rare neurological disorder that impairs phonatory function by triggering involuntary and intermittent contractions of the intrinsic laryngeal muscles. SD is classified into three types: adductor SD (AdSD), abductor SD (AbSD),
Masamitsu Hyodo +4 more
doaj +2 more sources
Laryngeal Imaging Study of Glottal Attack/Offset Time in Adductor Spasmodic Dysphonia during Connected Speech [PDF]
Applied Sciences, 2023 Adductor spasmodic dysphonia (AdSD) disrupts laryngeal muscle control during speech and, therefore, affects the onset and offset of phonation. In this study, the goal is to use laryngeal high-speed videoendoscopy (HSV) to measure the glottal attack time (
Maryam Naghibolhosseini +4 more
doaj +2 more sources
Botulinum Toxin Therapy: A Series of Clinical Studies on Patients with Spasmodic Dysphonia in Japan [PDF]
Toxins, 2021 Spasmodic dysphonia (SD) is a rare voice disorder caused by involuntary and intermittent spasms of the laryngeal muscles. Both diagnosis and treatment have been controversial.
Masamitsu Hyodo +6 more
doaj +2 more sources
Auditory Feedback Control Mechanisms Do Not Contribute to Cortical Hyperactivity Within the Voice Production Network in Adductor Spasmodic Dysphonia. [PDF]
J Speech Lang Hear Res, 2020 Adductor spasmodic dysphonia (ADSD), the most common form of spasmodic dysphonia, is a debilitating voice disorder characterized by hyperactivity and muscle spasms in the vocal folds during speech.
Daliri A +7 more
europepmc +2 more sources
Retrospective review of dosing trends in botulinum toxin injections for the treatment of adductor spasmodic dysphonia in a long-term cohort [PDF]
Journal of Otolaryngology - Head and Neck Surgery, 2020 Background Botulinum toxin A (BT) is the gold standard treatment for adductor spasmodic dysphonia (AdSD) with established use for greater than thirty years.
Gabrielle French +2 more
doaj +2 more sources
Validity of intraoperative voice monitoring undergoing type 2 thyroplasty with titanium bridges for adductor spasmodic dysphonia [PDF]
Laryngoscope Investigative Otolaryngology, 2022 Objectives The success of type 2 thyroplasty (TP2) for adductor spasmodic dysphonia (AdSD) depends on the selection of optimally sized titanium bridges, which requires accurate assessment of intraoperative vocal changes.
Tetsuji Sanuki +5 more
doaj +2 more sources