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Probabilistic mappi...
Probabilistic mapping of deep brain stimulation effects in essential tremor
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- Dembek, Till A. (författare)
- Department of Neurology, University of Cologne, Cologne, Germany; Department of Stereotaxy and Functional Neurosurgery, University of Cologne, Cologne, Germany
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- Barbe, Michael T (författare)
- Department of Neurology, University of Cologne, Cologne, Germany
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- Åström, Mattias (författare)
- Linköpings universitet,Biomedicinsk instrumentteknik,Tekniska fakulteten,Medtronic Neuromodulation, Medtronic Eindhoven Design Center, Eindhoven, The Netherlands,MINT
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- Hoevels, Mauritius (författare)
- Department of Stereotaxy and Functional Neurosurgery, University of Cologne, Cologne, Germany
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- Visser-Vandewalle, Veerle (författare)
- Department of Stereotaxy and Functional Neurosurgery, University of Cologne, Cologne, Germany
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- Fink, Gereon R (författare)
- Department of Neurology, University of Cologne, Cologne, Germany
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- Timmermann, Lars (författare)
- Department of Neurology, University of Cologne, Cologne, Germany
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(creator_code:org_t)
- Elsevier, 2017
- 2017
- Engelska.
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Ingår i: NeuroImage. - : Elsevier. - 2213-1582. ; 13
- Relaterad länk:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- ObjectiveTo create probabilistic stimulation maps (PSMs) of deep brain stimulation (DBS) effects on tremor suppression and stimulation-induced side-effects in patients with essential tremor (ET).MethodMonopolar reviews from 16 ET-patients which consisted of over 600 stimulation settings were used to create PSMs. A spherical model of the volume of neural activation was used to estimate the spatial extent of DBS for each setting. All data was pooled and voxel-wise statistical analysis as well as nonparametric permutation testing was used to confirm the validity of the PSMs.ResultsPSMs showed tremor suppression to be more pronounced by stimulation in the zona incerta (ZI) than in the ventral intermediate nucleus (VIM). Paresthesias and dizziness were most commonly associated with stimulation in the ZI and surrounding thalamic nuclei.DiscussionOur results support the assumption, that the ZI might be a very effective target for tremor suppression. However stimulation inside the ZI and in its close vicinity was also related to the occurrence of stimulation-induced side-effects, so it remains unclear whether the VIM or the ZI is the overall better target. The study demonstrates the use of PSMs for target selection and evaluation. While their accuracy has to be carefully discussed, they can improve the understanding of DBS effects and can be of use for other DBS targets in the therapy of neurological or psychiatric disorders as well. Furthermore they provide a priori information about expected DBS effects in a certain region and might be helpful to clinicians in programming DBS devices in the future.Abbreviations: DBS, Deep brain stimulation; ET, Essential tremor; PSA, Posterior subthalamic area; PSM, Probabilistic stimulation map; VIM, Ventral intermediate nucleus; VNA, Volume of neural activation; ZI, Zona incerta
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Medicinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Medical Engineering (hsv//eng)
Nyckelord
- Deep brain stimulation
- Essential tremor
- Probabilistic mapping
- Zona incerta
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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