ent.uci.eduMultiple sclerosis (MS) is a chronic autoimmune demyelinating disease affecting the central nervous system (CNS). Yamout et al reported vocal breaks and vocal fatigue as the most common vocal symptoms found in 25% of patients with MS.6 Vocal breaks and vocal fatigue are also the common symptoms of spasmodic dysphonia (SD).Author: Cited by: Publish Year:
How is spasmodic dysphonia diagnosed?
The specific source of spasmodic dysphonia may be in the basal ganglia, a part of the brain that controls movement. The brainstem, which connects the brain to the spinal cord, may also be involved. How is it diagnosed? After discussing your symptoms, your doctor will listen to you speak to hear how the spasms affect your voice.
Can spasmodic dysphonia cause voice problems?
Some people with spasmodic dysphonia also have vocal tremor, a shaking of the larynx and vocal folds that causes the voice to shake. Although the risk factors for spasmodic dysphonia have not been identified, the voice symptoms can begin following an upper respiratory infection, injury to the larynx, voice overuse, or stress.
What is dysphonia in MS?
Dysphonia is difficulty speaking due to a reduced control of the muscles of your lips, mouth, tongue, throat, and/or vocal cords. In multiple sclerosis (MS), dysphonia often means trouble controlling the volume of speech, meaning speaking too softly to be heard or more loudly…
What is the voice of someone with adductor spasmodic dysphonia?
Words are often cut off or are difficult to start because of muscle spasms. Therefore, speech may be choppy. The voice of someone with adductor spasmodic dysphonia is commonly described as strained or strangled and full of effort. The spasms are usually absent—and the voice sounds normal—while laughing, crying, or shouting.
How do you test for spasmodic dysphonia?
However, when you bring your vocal folds together to talk, they will not move the way they should. There is no simple test for spasmodic dysphonia. It is best to be tested by a team that includes: An SLP. The SLP will test how you use your voice and listen to how your voice sounds. An otolaryngologist, or ear, nose, and throat doctor (ENT).
Can spasmodic dysphonia be misdiagnosed?
Because spasmodic dysphonia shares many characteristics with other voice disorders, misdiagnosis frequently occurs. A common misdiagnosis is muscle tension dysphonia, a functional voice disorder which results from use of the voice, rather than a structural abnormality.
What is spasmodic dysphonia?
Spasmodic Dysphonia. Spasmodic dysphonia is a voice disorder. It causes involuntary spasms in the muscles of the voice box or larynx. This causes the voice to break, and have a tight, strained, or strangled sound. Spasmodic dysphonia can cause problems ranging from trouble saying a word or two to being not able to talk at all.
How is muscle tension dysphonia diagnosed?
Most physicians believe the muscle tension dysphonia is the body’s attempt to compensate for SD. The concurrent presence of these two disorders can make the diagnosis of SD difficult. The primary disorder will usually become evident after an otolaryngologist takes a careful history, listens to the voice, and performs a physical examination.