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Journal of Neurosurgical Sciences 2016 June;60(2):230-41

language: English

Motor cortex stimulation for movement disorders

Beatrice CIONI 1, Tommaso TUFO 1, Annarita BENTIVOGLIO 2, Gianluca TREVISI 1, Carla PIANO 2

1 Department of Neurosurgery, Catholic University, Policlinico Gemelli Foundation, Rome, Italy; 2 Department of Neurology, Catholic University, Policlinico Gemelli Foundation, Rome, Italy


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INTRODUCTION: Motor cortex stimulation (MCS) was introduced by Tsubokawa in 1991 1 for the treatment of thalamic pain, after coming to the conclusion that the hyperactivity of thalamic neurons after spino-thalamic tractotomy was inhibited by stimulation of the motor cortex. MCS has been reported not only to be effective on pain, but also to improve movement disorders such as Parkinson’s disease, tremor, dystonia, poststroke movement disorders and hemiparesis. Most of these publications are case reports or small series, and the real impact of MCS on movement disorders remains to be determined.
EVIDENCE ACQUISITION: In order to clarify this point, we conducted a PubMed search from 1991 to 2016 using established MeSH words. A total of 40 papers were selected and examined. Furthermore, personal experience with MCS for Parkinson’s disease and akinesia, is reported.
EVIDENCE SYNTHESIS: Only four studies were randomized controlled clinical trials: three out of four failed to demonstrate the efficacy of MCS at short term.
CONCLUSIONS: At long term, MCS seems to show a clinical positive effect in the studies prolonged in an open observational trial.

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bcioni@rm.unicatt.it