Spasmodic Dysphonia Spasmodic Dysphonia is a relatively rare ailment of the neurological system that results in a weak or altered voice. Find out more about the ailment including its types, symptoms, causes, diagnosis, and treatment options. Spasmodic Dysphonia Definition It is a serious medical cond...
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Spasmodic Dysphonia: Focal Laryngeal Dystonia A.Blitzer, inEncyclopedia of Movement Disorders, 2010 Definition and History Spasmodic dysphonia(SD) is an action-induced, laryngeal motion disorder producing interference with a fluent speech pattern. Most cases represent manifestations of primary dystonia, but...
A patient initially diagnosed with adductor-type spasmodic dysphonia was referred for botulinum toxin (Botox) injections, but found on subsequent evaluation to have amyotrophic lateral sclerosis, and therefore Botox was not administered. This unique case underscores the need to delay botulinum toxin treat...
C Roth, L Glaze, G Goding, W David: Spasmodic dysphonia symptoms as initial presentation of amyotrophic lateral sclerosis. Journal of Voice, 1996, 10: 362-367.Roth C, Glaze L, Goding G, David W: Spasmodic dysphonia symptoms as initial presentation of amyotrophic lateral sclerosis. Journal of...
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Another means of classification is the extent of muscle involvement: focal, affecting only one muscle group, such as the vocal cords (e.g., spastic dysphonia); segmental, involving two adjacent muscle groups, such as the neck muscles (e.g., spastic torticollis); or general, affecting the ...
Stimulations at 1 year involved predicted thalamic sensorimotor regions with additional cerebellothalamic tract involvement.#Stimulation of thalamic sensorimotor areas was associated with improvement in symptoms of spasmodic dysphonia. These data are consistent with DBS acting on pathophysiologically dysregulated...
Use of electrical neuromodulation to control adductory spasmodic dysphonia (AdSD) symptomsdoi:10.1055/s-0041-1728568Schneider-Stickler, BLeonhard, MHo, G-YKuttenreich, A-MVolk, G FLaryngo-Rhino-Otologie
(lip retraction and pursing), and spasmodic dysphonia (spasm with attempted speech). Symptoms begin in early adulthood and can be easily diagnosed by abnormal electromyographic (EMG) activity in the sternocleidomastoid, trapezius, and posterior cervical muscles. The disorder is characterized by ...