期刊
NEUROCASE
卷 20, 期 1, 页码 10-17出版社
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/13554794.2012.713495
关键词
Tremor; Electrical stimulation; Neurosurgery; Computational modelling; Parameter settings
资金
- BUPA foundation
- Medical Research Council, UK
- MRC [G1100810, MC_U120036861, G0701698, G0600168] Funding Source: UKRI
- Medical Research Council [G1100810, G0701698, G0600168, MC_U120036861] Funding Source: researchfish
The quadripolar electrodes used for deep brain stimulation are designed to give flexibility in contact configuration, optimize therapeutic effect, and minimize side-effects. A patient with essential tremor did not tolerate a bipolar setting due to the emergence of a pulling sensation in her face. However, when the polarity of the contacts was reversed, a 70% higher voltage was tolerated. Using an electric field model, we predicted that this effect was due to the proximity of the topmost contact to the internal capsule. Post-operative imaging supported this prediction. These results demonstrate how a multi-disciplinary approach allows us to optimize parameter settings.
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