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Long-term outcome of bilateral pallidal deep brain stimulation for primary cervical dystonia
S W Hung1, C Hamani, A M Lozano
1Movement Disorders Centre, Division of Neurology, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada M5T 2S8.
Abstract:
Ten patients with severe cervical dystonia (CD) unresponsive to medical treatment underwent bilateral globus pallidus internus (GPi) deep brain stimulation (DBS) and were followed for 31.9 +/- 20.9 months. At last follow-up, the Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) severity score improved by 54.8%, the TWSTRS disability score improved by 59.1%, and the TWSTRS pain score improved by 50.4%. Bilateral GPi DBS is an effective long-term therapy in patients with CD.
