Dystonia is a neurological disorder. The underlying anatomical substrate is thought to be in the basal ganglia.
Its symptoms include abnormal and involuntary muscle contractions. This condition can be particularly debilitating depending on the severity of the involuntary muscle contractions and the area that is affected.
Dystonia is classified as primary or secondary dystonia. Deep brain stimulation therapy is an effective treatment method in primary dystonia. Certain genetic subsets of dystonia respond better than others to this type of treatment. As such, genetic testing may form part of the evaluation. The main target of the brain for this treatment is the GPi (globus pallidus internus).
Unlike deep brain stimulation procedure for Parkinson’s disease, the effects of surgery for dystonia may not be immediate. It may require some time before which the full effect of stimulation might be obvious. This can at times be up to a year.
To make an appointment with one of our neurosurgeons, please call 03 9329 4761.