A Novel Brain Stimulation Technology Provides Compatibility with MRI

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A Novel Brain Stimulation Technology Provides Compatibility with MRI

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Title: A Novel Brain Stimulation Technology Provides Compatibility with MRI
Author: Serano, Peter; Angelone, Leonardo M.; Katnani, Husam; Eskandar, Emad; Bonmassar, Giorgio

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Citation: Serano, Peter, Leonardo M. Angelone, Husam Katnani, Emad Eskandar, and Giorgio Bonmassar. 2015. “A Novel Brain Stimulation Technology Provides Compatibility with MRI.” Scientific Reports 5 (1): 9805. doi:10.1038/srep09805. http://dx.doi.org/10.1038/srep09805.
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Abstract: Clinical electrical stimulation systems — such as pacemakers and deep brain stimulators (DBS) — are an increasingly common therapeutic option to treat a large range of medical conditions. Despite their remarkable success, one of the significant limitations of these medical devices is the limited compatibility with magnetic resonance imaging (MRI), a standard diagnostic tool in medicine. During an MRI exam, the leads used with these devices, implanted in the body of the patient, act as an electric antenna potentially causing a large amount of energy to be absorbed in the tissue, which can lead to serious heat-related injury. This study presents a novel lead design that reduces the antenna effect and allows for decreased tissue heating during MRI. The optimal parameters of the wire design were determined by a combination of computational modeling and experimental measurements. The results of these simulations were used to build a prototype, which was tested in a gel phantom during an MRI scan. Measurement results showed a three-fold decrease in heating when compared to a commercially available DBS lead. Accordingly, the proposed design may allow a significantly increased number of patients with medical implants to have safe access to the diagnostic benefits of MRI.
Published Version: doi:10.1038/srep09805
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4413880/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:16121093
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