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As part of the first randomized, sham-stimulation controlled trial on deep brain stimulation (DBS) in primary segmental or generalized dystonia, health-related quality of life (HRQoL) was assessed by SF-36. After the 3-month sham-controlled phase, significant HRQoL improvement occurred only in the active-stimulation group. The open-label extension phase resulted in a significant improvement in all SF-36 domains following 6 months of neurostimulation. These results demonstrate a favorable impact of DBS on HRQoL in primary dystonia., (2007 Movement Disorder Society)

Primary dystonias represent a clinically and genetically heterogeneous group of movement disorders. Mutations in the epsilon-sarcoglycan (SGCE) gene have been found recently to cause myoclonus-dystonia (MD). Considerable clinical variation of SGCE mutation carriers leads to the hypothesis that mutations in the SGCE gene might also be relevant for other subtypes of dystonias. To determine the contribution of mutations in the SGCE gene in patients with different subtypes of dystonias, we analyzed the coding sequence of the SGCE gene in a group of 296 patients with a clinical phenotype of primary dystonia and in 2 patients with a clinical phenotype of myoclonus-dystonia. Patients with mutations in the DYT1 gene were excluded. We could not detect a mutation in the SGCE gene in any of the 298 patients. Our results suggest that mutations in the SGCE gene cannot be held responsible for other subtypes of primary dystonia.

We report on a 57-year-old woman with frequent and powerful retrocollis. The involuntary movements combined with rheumatoid arthritis and osteoporosis led to a fracture of the axial odontoid process. Neurologists with a focus on movement disorders should screen for diseases putting the patient at risk for spinal lesions and consider early treatment., (Copyright 2004 Movement Disorder Society)