RT Journal Article SR Electronic T1 Cerebral palsy and stereotactic neurosurgery: long term results. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 23 OP 30 DO 10.1136/jnnp.52.1.23 VO 52 IS 1 A1 D Speelman A1 J van Manen YR 1989 UL http://jnnp.bmj.com/content/52/1/23.abstract AB A retrospective study was performed on a group of 28 patients with cerebral palsy, who had undergone a stereotactic encephalotomy for hyperkinesia or dystonia. The mean postoperative follow up period was 21 years (range: 12-27). Eighteen patients were available for follow up, nine had died, and one could not be traced. A positive result was obtained in eight of the 18 reassessed patients. Determining factors for the outcome were the degree of preoperative disability, side effects of the operation, and ageing since operation. The more favourable results were obtained in patients with hyperkinesia, tremor, and predominantly unilateral dystonia.