Neuroleptic-Induced Tardive Cervical Dystonia: Clinical Series of 20 Patients

Godeiro-Junior, Clecio; Felício, Andre C.; de Carvalho Aguiar, Patrícia; Borges, Vanderci; Silva, Sonia M. A.; Ferraz, Henrique B.
March 2009
Canadian Journal of Neurological Sciences;Mar2009, Vol. 36 Issue 2, p222
Academic Journal
Background: Cervical dystonia (CD) may be classified according to the underlying cause into primary or secondary CD. Previous exposure to neuroleptics is one of the main causes of adult-onset secondary dystonia. There are few reports that characterize the clinical features of primary CD and secondary neuroleptic-induced CD. Herein our aim was to investigate a series of patients with neuroleptic induced tardive CD and to describe their clinical and demographic features. Patients and Methods: We retrospectively evaluated 20 patients with neuroleptic-induced tardive CD and compared clinical, demographic and therapeutic characteristics to another 77 patients with primary CD. All patients underwent Botulinum toxin type-A therapy. Results: We did not identify any relevant clinical and demographic characteristics in our group of patients that could be used to distinguish tardive and primary CD. Conclusion: Patients with tardive CD presented demographic characteristics and disease course similar to those with primary CD.


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