Abstract

A growing number of cases of cervical dystonia resistant to medications and botulinum toxin are presenting to clinicians for advanced management. This study was a randomized, sham-controlled, manufacturer-funded trial of bilateral globus pallidus deep brain stimulation (DBS) in this population (an investigational use not specifically approved by the FDA). Participants had to have at least a 3-year disease duration and a Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS) severity score of ≥15 and be free …

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