Efficacy and safety of pallidal stimulation in primary dystonia: results of the Spanish multicentric study
Valldeoriola F., Regidor I., Mínguez-Castellanos A., Lezcano E., García-Ruiz P., Rojo A., Salvador A., Castro A., Grandas F., Kulisevsky J., Martí M.J., Martínez-Martín P., Relova L., Rumià J., Cámara A., Burguera J.A., Linazasoro G., de Val J.L., Obeso J., Rodríguez-Oroz M.C., Tolosa E.; Grupo Español para el Estudio de la Estimulación Palidal en la Distonía.
Hospital Clínic, University of Barcelona, Barcelona, Spain. Clínica Universidad de Navarra, Pamplona, Spain
Magazine: Journal of Neurology, Neurosurgery & Psychiatry
Date: Jan 1, 2010Neurology [SP]
Dystonia is a complex clinical syndrome originated by a wide range of aetiologies. The diagnosis of dystonia is made after the evaluation of aetiological, phenomenological and genetic factors. Medications, except in patients with dopa-responsive dystonia, are of limited efficacy. Botulinum toxin injections are not applicable to patients with generalised dystonia, since many muscular groups contribute to disability. Clinical studies in children and adults with primary generalised dystonia (PGD) have reported beneficial effects of bilateral GPi deep brain stimulation (DBS) in both motor symptoms and disability produced by dystonia as well as a favourable impact of DBS in the health-related quality of life (HRQoL). Some clinical aspects of GPi stimulation in primary dystonia still remain controversial such as the influence of disease duration or age at onset in determining the postoperative clinical outcome.
The authors report the results of a multicentric study designed to assess the tolerability and clinical effects of bilateral pallidal DBS on motor impairment, functional disability, quality of life, pain and mood in patients with medically refractory primary generalised or segmental dystonia.
CITATION J Neurol Neurosurg Psychiatry. 2010 Jan;81(1):65-9
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