Long-term benefit from deep brain stimulation of the subthalamic nucleus: is it for everyone?

Alzheimer's Research & Therapy
Jerrold L Vitek

Abstract

Although deep brain stimulation (DBS) has revolutionized our approach to therapy for patients with advanced Parkinson's disease, many questions remain. Should DBS be instituted earlier in the course of the disease? Why do some patients show striking improvements whereas others show limited benefit even when lead locations appear to be similar? Why can some patients markedly reduce medications whereas others cannot? What is the optimal target site for DBS and how does it work? One question that has long been asked but only recently become addressable is how long the therapeutic effect of DBS can be sustained in the face of what is still a progressive, neurodegenerative disease? A recent article by Castrioto and colleagues, 'Ten-year outcome of subthalamic stimulation in Parkinson disease', seeks to address this question. The authors report significant improvement at 10 years following the onset of subthalamic nucleus DBS in the off UPDRS (Unified Parkinson's Disease Rating Scale) III total motor score, tremor and bradykinesia subscores, UPDRS II meds on and off scores, and UPDRS IV dyskinesia and motor fluctuation score as well as a significant reduction in the levodopa equivalent daily dose when compared with baseline. Does thi...Continue Reading

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Citations

Oct 16, 2015·Neurologia Medico-chirurgica·Anand Tekriwal, Gordon Baltuch
Sep 12, 2012·Pain·Estelle DellapinaChristine Brefel-Courbon

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