Subthalamic nucleus stimulation in advanced Parkinson's disease: blinded assessments at one year follow up
Open Access
- 1 September 2004
- journal article
- clinical trial
- Published by BMJ in Journal of Neurology, Neurosurgery & Psychiatry
- Vol. 75 (9), 1255-1259
- https://doi.org/10.1136/jnnp.2003.027557
Abstract
Objective: To measure the effect of deep brain stimulation (DBS) of the subthalamic nucleus in patients with advanced Parkinson’s disease. Design: Open label follow up using blinded ratings of videotaped neurological examinations. Patients: 30 patients with advanced Parkinson’s disease (19 male, 11 female; mean age 58.8 years; mean disease duration 12.8 years), complicated by intractable wearing off motor fluctuations and dopaminergic dyskinesias. Main outcome measures: Unified Parkinson’s disease rating scale (UPDRS), part III (motor), score at one year, from blinded reviews of videotaped neurological examinations. Secondary outcomes included the other UPDRS subscales, Hoehn and Yahr scale, activities of daily living (ADL) scale, mini-mental state examination (MMSE), estimates of motor fluctuations and dyskinesia severity, drug intake, and patient satisfaction questionnaire. Results: Subthalamic nucleus stimulation was associated with a 29.5% reduction in motor scores at one year (pConclusions: The 30% improvement in UPDRS motor scores was a more modest result than previously reported. DBS did not improve functional capacity independent of drug use. Its chief benefits were reduction in wearing off duration and dyskinesia severity.Keywords
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