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[Focal dystonias and facial hemispasm: treatment with botulinum A toxin].
R Astarloa, B Morales, VM Asensio Sánchez, N Peñafiel, J. Rábano, J Oliván, Justo Garcı́a de Yébenes
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Abstract
We report the results of the treatment of 80 patients with various idiopathic focal dystonia and essential hemifacial spasm with Botulinum A toxin. A statistically significant improvement was obtained in our 34 patients with blepharospasm, 19 patients with hemifacial spasm, 59% of 22 patients with cervical dystonia and 60% of 5 patients with hand dystonia. Mean duration of the benefit of each injection was 15.3, 16.3, 7.6 and 8.7 weeks respectively. Adverse effects were local and transient. We concluded that botulinum A toxin is a safe and effective therapy for patients with focal dystonia and hemifacial spasm.