Symptoms of spasmodic dysphonia
generally develop gradually and with no obvious explanation.
Founded in 1989, the National Spasmodic Dysphonia
Association (NSDA) is dedicated to advancing medical research into the causes of and treatments for spasmodic dysphonia
(SD), promoting physician and public awareness of the disorder, and providing support to those affected by SD and their families.
Diagnosis of spasmodic dysphonia
is essentially clinical based on quality of voice.
Adductor spasmodic dysphonia
is far more common than the abductor type (10:1); (7)but rarely, patients may have both simultaneously (mixed laryngeal dystonia).
Ress CJ, Blalock PD, Kemp SE, Halum SL, Koufman JA, Differentiation of adductor-type spasmodic dysphonia
from muscle tension dysphonia by spectral analysis.
Doubleblind controlled study of botulinum toxin in adductor spasmodic dysphonia
One of the first things I did after I came back to the show was to invite all my doctors into the studio for an on-air discussion about spasmodic dysphonia
For those who are seeking more advanced information, the section for physicians offers a series of articles on such topics as hoarseness, vocal cord paralysis, polyps and nodules, spasmodic dysphonia
and muscle tension.
Its use as a treatment has spread out to other diseases including Torticollis, which is where a person's head is permanently pulled to one side by a muscle spasm, and Spasmodic Dysphonia
, which causes people to have a squawky voice because the vocal chords are constantly clenching.
Its use as a treatment has spread out to other diseases which cause muscles spasms including Torticollis, which is where a person's head appears permanently pulled to one side, and Spasmodic Dysphonia
, which cause people to have a painful and squawky voice because the vocal muscles are constantly contracted.
Individuals who have spasmodic dysphonia
may have occasional difficulty saying a word or two or they may experience sufficient difficulty to interfere with communication.
Max McCormick, a consultant ear, nose and throat surgeon at the Royal Liverpool University Hospital found she was suffering from spasmodic dysphonia
- difficulty in speaking because of a spasm in the vocal chords.
However, problems like spasmodic dysphonia
, which produces a severely strained, strangled-sounding voice, and laryngectomy (surgical removal of the voice box), which requires patients to have a new source of sound for voice, are disruptive to all aspects of living (cf.