The long-term surgical outcomes of secondary hemidystonia associated with post-traumatic brain injury
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- Kim, J.P., Chang, W.S. & Chang, J.W. Acta Neurochir (2012) 154: 823. doi:10.1007/s00701-012-1306-4
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The aim was to assess the effect of deep brain stimulation for secondary hemidystonias associated with focal post-traumatic brain injuries.
Four patients underwent deep brain stimulation for the treatment of medically refractory secondary hemidystonia associated with post-traumatic brain injury. Clinical outcome assessments were based on Burke-Fahn-Marsden Dystonia Rating Scale movement and disability scores. Health-related quality of life was assessed using a 36-item short-form general health survey questionnaire administered preoperatively and at the last follow-up visit.
Burke-Fahn-Marsden Dystonia Rating Scale movement scores had improved by 73.2% (range, 38.1–94.1) and disability scores had improved by 75% (range, 60–100) at the 2-year follow-up visit. The health-related quality of life assessment revealed satisfactory results at follow-up, such that body pain, general health, vitality, social functioning, as well as emotional and mental health improved significantly.
Globus pallidus internus deep brain stimulation can be used to modulate and ameliorate secondary hemidystonia associated with focal post-traumatic brain injury.