Table 1

Clinical characteristics of patients with idiopathic cervical dystonia selected for bilateral pallidal deep brain stimulation

Patient NoSexAgeDuration of CD (y)Pattern of cervical dystoniaResponse to botulinum toxin injections
153F6Retrocollis + torticollisPrimary non-responder
247M4Sagittal shift + retrocollisInitially mild response, difficulty with injection of deep muscles, secondary non-responder
341F5Lateral shift + lateral tiltModerate response, patient not satisfied with result
428M6AntecollisMild response, difficulty with injection of deep muscles, patient not satisfied with result
546M24Bilateral phasic oscillating torticollisPrimary non-responder