Spasmodic dysphonia

Common Name(s)

Spasmodic dysphonia

Spasmodic dysphonia is a voice disorder caused by involuntary movements of one or more muscles of the larynx or voice box. Individuals who have spasmodic dysphonia may have occasional difficulty saying a word or two or they may experience sufficient difficulty to interfere with communication. Spasmodic dysphonia causes the voice to break or to have a tight, strained or strangled quality. While the cause of spasmodic dysphonia is unknown, most cases are believed to be neurogenic (having to do with the nervous system) in nature. Some cases occur along with movement disorders and some may be inherited. While anyone can be affected, spasmodic dysphonia more often affects women and begins in those between the ages of 30 and 50.  

There are three different types of spasmodic dysphonia:  

Adductor spasmodic dysphonia (causes the vocal cords to slam together and stiffen) Abductor spasmodic dysphonia (causes the vocal cords to open)  Mixed spasmodic dysphonia (causes the vocal cords to open and close)
 

Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Spasmodic dysphonia" for support, advocacy or research.

National Spasmodic Dysphonia Association

The mission of the National Spasmodic Dysphonia Association is to advance medical research into the causes of and treatments for spasmodic dysphonia, promote physician and public awareness of the disorder, and provide support to those affected by spasmodic dysphonia.

Last Updated: 9 Nov 2012

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Advocacy and Support Organizations

 

Condition Specific Organizations

Following organizations serve the condition "Spasmodic dysphonia" for support, advocacy or research.

National Spasmodic Dysphonia Association

The mission of the National Spasmodic Dysphonia Association is to advance medical research into the causes of and treatments for spasmodic dysphonia, promote physician and public awareness of the disorder, and provide support to those affected by spasmodic dysphonia.

http://www.dysphonia.org/

Last Updated: 9 Nov 2012

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General Support Organizations

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Scientific Literature

Articles from the PubMed Database

Research articles describe the outcome of a single study. They are the published results of original research.
The terms "Spasmodic dysphonia" returned free, full-text research articles on human participants.

Reviews from the PubMed Database

Review articles summarize what is currently known about a disease. They discuss research previously published by others.
The terms "Spasmodic dysphonia" returned free, full-text review articles on human participants.

 
 
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Symptoms, Diagnosis, and Treatment

There are currently no related results available in Genetics Home Reference.

There are currently no related results available in GeneReviews.

There are currently no related results available in Genetic Testing Registry.

 
 
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Clinical Trial Information This information is provided by ClinicalTrials.gov

Thalamic DBS for Laryngeal Dystonia (Spasmodic Dysphonia)- DEBUSSY Trial
 

Status: Recruiting

Condition Summary: Spasmodic Dysphonia; Laryngeal Dystonia; Deep Brain Stimulation

 

Last Updated: 21 Feb 2016

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Role of Neurotransmission and Functional CNS Networks in Spasmodic Dysphonia
 

Status: Recruiting

Condition Summary: Spasmodic Dysphonia; Focal Dystonia

 

Last Updated: 4 Aug 2016

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Voice Tremor in Spasmodic Dysphonia: Central Mechanisms and Treatment Response
 

Status: Recruiting

Condition Summary: Spasmodic Dysphonia; Voice Tremor

 

Last Updated: 12 Jan 2016

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