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Intraoperative micro- and macrostimulation of the subthalamic nucleus in Parkinson's disease

✍ Scribed by Pierre Pollak; Paul Krack; Valérie Fraix; Alexandre Mendes; Elena Moro; Stephan Chabardes; Alim-Louis Benabid

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
141 KB
Volume
17
Category
Article
ISSN
0885-3185

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✦ Synopsis

Studying the clinical effects induced by electrical stimulation of the subthalamic nucleus (STN) area in a parkinsonian patient under local anesthesia is a mandatory step to determine the precise location of the final chronic electrode. Using multiple microelectrodes, preferably in a concentric parallel array allows a precise mapping of the STN region. The most reliable features to determine the suitable target are stimulation-induced dyskinesias and rigidity decrease at a low intensity without adverse effects or only at far higher intensities. New skills are needed to assess all stimulation-induced effects and interpret them in anatomo-functional terms.

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