Cervical Dystonia

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Pathophysiology and definition Dystonia is a movement disorder in which a person's muscles contract uncontrollably. The contraction causes the affected body part to twist involuntarily, resulting in repetitive movements or abnormal postures. Dystonia can affect one muscle, a muscle group, or the entire body.Cervical Dystonia affects about 1% of the population, and women are more prone to it than men.
Symptoms: Dystonia can range from very mild to severe. It can affect different body parts, and often the symptoms of dystonia progress through stages. Some early symptoms include: • A "dragging leg" • Cramping of the foot • Involuntary pulling of the neck • Uncontrollable blinking • Speech difficulties Stress or fatigue may bring on the symptoms or cause them to worsen. People with dystonia often complain of pain and exhaustion because of the constant muscle contractions. If dystonia symptoms occur in childhood, they generally appear first in the foot or hand. But then they quickly progress to the rest of the body. After adolescence, though, the progression rate tends to slow down. When dystonia appears in early adulthood, it typically begins in the upper body. Then there is a slow progression of symptoms. Dystonias that start in early adulthood remain focal or segmental: They affect either one part of the body or two or more adjacent body parts.
TREATMENT: There are a number of treatment techniques that can control the involuntary movements and spasms of dystonia, including medication, physiotherapy, and in some cases, surgery. The aim is to provide relief from the abnormal movements and postures of dystonia, plus any associated pain and discomfort. In some cases, other conditions that arise as a result of dystonia, such as stress, anxiety or depression, may also need to be treated. Treatment for dystonia should be based on the individual and their specific needs. As different people respond differently to different treatments, it may be necessary to try several options to find out which one works best. There are four main types of treatment for dystonia. They are: • botulinum toxin • medication • physiotherapy • surgery, including deep brain stimulation (DBS)
TREATMENT: There are a number of treatment techniques that can control the involuntary movements and spasms of dystonia, including medication, physiotherapy, and in some cases, surgery. The aim is to provide relief from the abnormal movements and postures of dystonia, plus any associated pain and discomfort. In some cases, other conditions that arise as a result of dystonia, such as stress, anxiety or depression, may also need to be treated. Treatment for dystonia should be based on the individual and their specific needs. As different people respond differently to different treatments, it may be necessary to try several options to find out which one works best. There are four main types of treatment for dystonia. They are: ? botulinum toxin ? medication ? physiotherapy ? surgery, including deep brain stimulation (DBS)
STATISTICS: Service-based and record-linkage studies probably underascertained dystonia because they did not identify patients who were not seeking medical advice or were incorrectly diagnosed. Even population studies, however, suffered from errors in data collection, and none of them can be thought of as the “gold standard”. On the basis of the results of service-based and record linkage studies yielding methodologically more robust data, the prevalences of primary early-onset and late-onset dystonia seeking medical attention respectively are 24–50 per million and 101–430 per million. Adjustment of the best available prevalence estimates from service-based studies for possible underdiagnosis in a given area gives likely estimates of 111 per million for earlyonset dystonia in Ashkenazi Jews from New York area, of 600 per million for late-onset dystonia in the overall population

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