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Target coverage and selectivity in field steering brain stimulation
Uppsala University, Sweden.
Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation. Linköping University, The Institute of Technology.
Uppsala University, Sweden.
2014 (English)In: 2014 36TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC), IEEE , 2014, 522-525 p.Conference paper (Refereed)
Abstract [en]

Deep Brain Stimulation (DBS) is an established treatment in Parkinsons Disease. The target area is defined based on the state and brain anatomy of the patient. The stimulation delivered via state-of-the-art DBS leads that are currently in clinical use is difficult to individualize to the patient particularities. Furthermore, the electric field generated by such a lead has a limited selectivity, resulting in stimulation of areas adjacent to the target and thus causing undesirable side effects. The goal of this study is, using actual clinical data, to compare in silico the stimulation performance of a symmetrical generic lead to a more versatile and adaptable one allowing, in particular, for asymmetric stimulation. The fraction of the volume of activated tissue in the target area and the fraction of the stimulation field that spreads beyond it are computed for a clinical data set of patients in order to quantify the lead performance. The obtained results suggest that using more versatile DBS leads might reduce the stimulation area beyond the target and thus lessen side effects for the same achieved therapeutical effect.

Place, publisher, year, edition, pages
IEEE , 2014. 522-525 p.
Series
, IEEE Engineering in Medicine and Biology Society Conference Proceedings, ISSN 1557-170X
National Category
Medical Biotechnology
Identifiers
URN: urn:nbn:se:liu:diva-117398DOI: 10.1109/EMBC.2014.6943643ISI: 000350044700130PubMedID: 25570011ISBN: 978-1-4244-7929-0OAI: oai:DiVA.org:liu-117398DiVA: diva2:807741
Conference
36th Annual International Conference of the IEEE-Engineering-in-Medicine-and-Biology-Society (EMBC)
Available from: 2015-04-24 Created: 2015-04-24 Last updated: 2015-04-29

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Åström, Mattias
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Biomedical InstrumentationThe Institute of Technology
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