Over the past 25 years, a prevailing clinical dogma has held that significant cognitive impairment constitutes a contraindication to the use of Deep Brain Stimulation in Parkinson’s disease. Whilst multiple studies, excluding such patients, have repeatedly emphasised the motoric benefits of this approach, less consideration has been given to the consequences of excluding this cohort. However, emerging evidence suggests that Deep Brain Stimulation in Parkinson’s Disease patients with moderate cognitive impairment not only allows for significant reductions in dopaminergic therapy (typically alleviating many non-motor symptoms) but also favours survival and reduced admissions into institutional care. Watch Professor Simon Lewis explaining where he thinks we need to reconsider the dogma.
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