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The effect of device configuration and patient body composition on image artifact and RF heating of deep brain stimulation devices during MRI at 1.5T and 3T [article]

Bhumi Bhusal, Bach T Nguyen, Jasmine Vu, Behzad Elahi, Joshua Rosenow, Mark J Nolt, Roberto Lopez-Rosado, Julie Pilitsis, Marisa DiMarzio, Laleh Golestani Rad
<span title="2020-04-10">2020</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
BACKGROUND: Patients with deep brain stimulation (DBS) implants have limited access to MRI due to safety concerns associated with RF-induced heating.  ...  DATA CONCLUSION: Device configuration and patient body composition significantly altered the RF heating of DBS leads during MRI at 1.5T and 3T.  ...  RESULTS We observed substantial fluctuation in RF heating mainly affected by phantom composition and DBS lead configuration, ranging from 0.14℃ to 23.73℃ at 1.5 T, and Introduction Deep brain stimulation  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.04.09.035030">doi:10.1101/2020.04.09.035030</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/hieirhsgbzfhrgit4qe7vn25te">fatcat:hieirhsgbzfhrgit4qe7vn25te</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200508035747/https://www.biorxiv.org/content/biorxiv/early/2020/04/10/2020.04.09.035030.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/42/b8/42b893a273469c3808fc8c196ae8c24266b8a9c9.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.04.09.035030"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Safety and image quality at 7T MRI for deep brain stimulation systems: Ex vivo study with lead-only and full-systems

Bhumi Bhusal, Jason Stockmann, Bastien Guerin, Azma Mareyam, John Kirsch, Lawrence L. Wald, Mark J. Nolt, Joshua Rosenow, Roberto Lopez-Rosado, Behzad Elahi, Laleh Golestanirad, Haydar Celik
<span title="2021-09-07">2021</span> <i title="Public Library of Science (PLoS)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/s3gm7274mfe6fcs7e3jterqlri" style="color: black;">PLoS ONE</a> </i> &nbsp;
for patients with deep brain stimulation (DBS) implants.  ...  The aim of this study was to provide an assessment of safety and image quality of ultra-high field magnetic resonance imaging at 7 T in patients with deep brain stimulation implants.  ...  RF-induced heating in tissue near bilateral DBS implants during MRI at 1.5 T and 3T: The role of surgical lead management.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1371/journal.pone.0257077">doi:10.1371/journal.pone.0257077</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/34492090">pmid:34492090</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8423254/">pmcid:PMC8423254</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/yjxz7mrhoncwfnuqfye5p6ccl4">fatcat:yjxz7mrhoncwfnuqfye5p6ccl4</a> </span>
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Reducing RF-Induced Heating Near Implanted Leads Through High-Dielectric Capacitive Bleeding of Current (CBLOC) [article]

Laleh Golestanirad, Leonardo M Angelone, John Kirsch, Sean Downs, Boris Keil, Griogio Bonmassar, Lawrence L Wald
<span title="2018-10-30">2018</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
Patients with implanted medical devices such as deep brain stimulation or spinal cord stimulation are often unable to receive magnetic resonance imaging (MRI).  ...  Measurements during RF exposure at 64 MHz and 123 MHz demonstrated that CBLOC leads generated 20-fold less heating at 1.5 T, and 40-fold less heating at 3 T compared to control leads.  ...   Abstract-Patients with implanted medical devices such as deep brain stimulation or spinal cord stimulation are often unable to receive magnetic resonance imaging (MRI).  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/456533">doi:10.1101/456533</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/uqi33lq2t5hnrperxc7e6n3i44">fatcat:uqi33lq2t5hnrperxc7e6n3i44</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190501180858/https://www.biorxiv.org/content/biorxiv/early/2018/11/19/456533.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/49/12/4912c8cbc648c4a417351a0ee60f482a78f8ddce.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/456533"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Reconfigurable MRI technology for low-SAR imaging of deep brain stimulation at 3T: Application in bilateral leads, fully-implanted systems, and surgically modified lead trajectories

Ehsan Kazemivalipour, Boris Keil, Alireza Vali, Sunder Rajan, Behzad Elahi, Ergin Atalar, Lawrence L. Wald, Joshua Rosenow, Julie Pilitsis, Laleh Golestanirad
<span title="2019-05-13">2019</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/sa477uo7lveh7hchpikpixop5u" style="color: black;">NeuroImage</a> </i> &nbsp;
Patients with deep brain stimulation devices highly benefit from postoperative MRI exams, however MRI is not readily accessible to these patients due to safety risks associated with RF heating of the implants  ...  Recently we introduced a patient-adjustable reconfigurable coil technology that substantially reduced local SAR at tips of single isolated DBS leads during MRI at 1.5 T in 9 realistic patient models.  ...  concentric loops in the trajectory of DBS leads to reduce RF heating during MRI at 1.5 T and 3T.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuroimage.2019.05.015">doi:10.1016/j.neuroimage.2019.05.015</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/31096058">pmid:31096058</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC7266624/">pmcid:PMC7266624</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ouk7ln3q7bdxjp3ii7wjqfbtpe">fatcat:ouk7ln3q7bdxjp3ii7wjqfbtpe</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210428162324/http://repository.bilkent.edu.tr/bitstream/handle/11693/53311/Reconfigurable_MRI_technology_for_low-SAR_imaging_of_deep_brain_stimulation_at_3T_Application_in_bilateral_leads_fully-implanted_systems_and_surgically_modified_lead_trajectories.pdf;jsessionid=0D04A498371E6E06098FA3EAEA577EBC?sequence=3" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/af/e5/afe5b2aae184b0d0aadd32fccc59e9c29be687f2.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuroimage.2019.05.015"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7266624" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Application of Surgical Lead Management and Reconfigurable Coil Technology to Reduce RF Heating of DBS Implants during MRI at 3T Under Variant Body Compositions [article]

Bhumi Bhusal, Behzad Elahi, Boris Keil, Joshua Rosenow, Ehsan Kazemivalipour, Laleh Golestani Rad
<span title="2020-06-25">2020</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
Patients with active implants such as deep brain stimulation (DBS) devices, have limited access to magnetic resonance imaging (MRI) due to risks of RF heating.  ...  recently proposed techniques: (a) surgical modification of DBS lead trajectories inside the body, and (b) use of a patient-adjustable reconfigurable MRI coil, both aiming to reduce the coupling of implanted  ...  Modifying the extracranial trajectory of DBS leads can significantly reduce RF heating during MRI as shown in simulations with homogenous head models and experiments with single-material phantoms [29]  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.06.25.170159">doi:10.1101/2020.06.25.170159</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/dwib35s4ojgqbld7kc3f7na3u4">fatcat:dwib35s4ojgqbld7kc3f7na3u4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20201108165804/https://www.biorxiv.org/content/biorxiv/early/2020/06/25/2020.06.25.170159.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ba/45/ba45a13f0c08089b241b0629f893606690cdf6fe.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.06.25.170159"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Functional MRI with active, fully implanted, deep brain stimulation systems: Safety and experimental confounds

David W. Carmichael, Serge Pinto, Patricia Limousin-Dowsey, Stephane Thobois, Philip J. Allen, Louis Lemieux, Tarek Yousry, John S. Thornton
<span title="">2007</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/sa477uo7lveh7hchpikpixop5u" style="color: black;">NeuroImage</a> </i> &nbsp;
Active deep brain stimulation during MRI: A feasibility study. Magn Reson Med 51:380-388.  ...  MR-related heating of deep brain stimulation electrodes: An in vitro study of clinical imaging sequences. Am J Neuroradiol 23:1795-1802.  ...  Josephs, Ralf Deichmann, Mark Symms, Rebecca Samson, Robert Turner, Anthony Pullen, John Wyatt and Marwan Hariz are acknowledged for their technical assistance, useful discussions and generous loans of  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuroimage.2007.04.058">doi:10.1016/j.neuroimage.2007.04.058</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/17590355">pmid:17590355</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/3imdmv2smfbfpkcweuum3ryfbm">fatcat:3imdmv2smfbfpkcweuum3ryfbm</a> </span>
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MRI-Related Heating near Deep Brain Stimulation Electrodes: More Data Are Needed

Akshay A. Gupte, Devashish Shrivastava, Maggie A. Spaniol, Aviva Abosch
<span title="">2011</span> <i title="S. Karger AG"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/f2iqzaykmzc3bpbdug4alyu5y4" style="color: black;">Stereotactic and Functional Neurosurgery</a> </i> &nbsp;
Magnetic resonance imaging (MRI) of patients with implanted deep brain stimulation (DBS) devices poses a challenge for healthcare providers.  ...  As a consequence of safety concerns about magnetic field interactions with the device, induced electrical currents and thermal damage due to radiofrequency heating, a number of stringent guidelines have  ...  Acknowledgments The authors wish to thank Lee Sternberg, University of Minnesota Medical Center-Fairview, and Neeraj Gaur, Department of Electrical Engineering, University of Minnesota, for their helpful  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1159/000324906">doi:10.1159/000324906</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/21494064">pmid:21494064</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC3085039/">pmcid:PMC3085039</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/lu3w5s6z4bgahcmqaox56rbcei">fatcat:lu3w5s6z4bgahcmqaox56rbcei</a> </span>
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Feasibility of using linearly polarized rotating birdcage transmitters and close-fitting receive arrays in MRI to reduce SAR in the vicinity of deep brain simulation implants

Laleh Golestanirad, Boris Keil, Leonardo M. Angelone, Giorgio Bonmassar, Azma Mareyam, Lawrence L. Wald
<span title="2016-04-05">2016</span> <i title="Wiley"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/34p2n5u2vjfgrf7j2rmkmfhogu" style="color: black;">Magnetic Resonance in Medicine</a> </i> &nbsp;
near the implant and related RF-induced heating.  ...  Purpose-MRI of patients with deep brain stimulation (DBS) implants is strictly limited due to safety concerns, including high levels of local specific absorption rate (SAR) of radiofrequency (RF) fields  ...  using a technique called deep brain stimulation (DBS) (1) (2) (3) (4) .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/mrm.26220">doi:10.1002/mrm.26220</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/27059266">pmid:27059266</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC5052088/">pmcid:PMC5052088</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/jk3a7ywhbrhufhf6kxuxbmg7ge">fatcat:jk3a7ywhbrhufhf6kxuxbmg7ge</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20191119064120/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC5052088&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/c0/c5/c0c5667d78ee51bc7796402644da4e0abeda6796.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/mrm.26220"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> wiley.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5052088" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Should patients with brain implants undergo MRI?

Johannes B Erhardt, Erwin Fuhrer, Oliver G Gruschke, Jochen Leupold, Matthias C Wapler, Jürgen Hennig, Thomas Stieglitz, Jan G Korvink
<span title="2018-05-16">2018</span> <i title="IOP Publishing"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/tpqlgxji7rezlnmgkbv4hfla3a" style="color: black;">Journal of Neural Engineering</a> </i> &nbsp;
For 75 000 deep brain stimulation (DBS) recipients quite the opposite holds true: MRI is considered an essential part of the implantation procedure and some medical centres deliberately exceed safety regulations  ...  Therefore, we review implant safety in the MRI literature from an engineering point of view, with a focus on cochlear and DBS implants as success stories of neural implants in clinical practice.  ...  This work was financially supported by the BrainLinks-BrainTools Cluster of Excellence-funded by the German Research Foundation (DFG, grant number EXC 1086) as well as by the European Research Council  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1088/1741-2552/aab4e4">doi:10.1088/1741-2552/aab4e4</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/29513262">pmid:29513262</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/q56s3g2nnvfufjs4q45pfartg4">fatcat:q56s3g2nnvfufjs4q45pfartg4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190504055655/https://iopscience.iop.org/article/10.1088/1741-2552/aab4e4/pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/ed/95/ed954bbec866b1bc13fe500f3a1631a165d48de3.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1088/1741-2552/aab4e4"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> iop.org </button> </a>

Optimized, Minimal Specific Absorption Rate MRI for High-Resolution Imaging in Patients with Implanted Deep Brain Stimulation Electrodes

A.M. Franceschi, G.C. Wiggins, A.Y. Mogilner, T. Shepherd, S. Chung, Y.W. Lui
<span title="2016-07-14">2016</span> <i title="American Society of Neuroradiology (ASNR)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/ettqs3arczemhn5lsmuhimksce" style="color: black;">American Journal of Neuroradiology</a> </i> &nbsp;
ABBREVIATIONS: DBS ϭ deep brain stimulator; RF ϭ radiofrequency; SAR ϭ specific absorption rate  ...  All preoperative studies were adequate for guidance of a second deep brain stimulator placement.  ...  responses, I am the Principal Investigator on a 2-year industry-funded project ("contract") from Brainlab to study the clinical uses of multiple MRI parameters for predicting and evaluating tumor response  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3174/ajnr.a4865">doi:10.3174/ajnr.a4865</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/27418467">pmid:27418467</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC5538939/">pmcid:PMC5538939</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/fxhevjoqivecxpivlfazz4gol4">fatcat:fxhevjoqivecxpivlfazz4gol4</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190217100051/http://pdfs.semanticscholar.org/04c9/673c09d984ed4045645fdd7bc7552fdd4b2c.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/04/c9/04c9673c09d984ed4045645fdd7bc7552fdd4b2c.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3174/ajnr.a4865"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5538939" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Technical challenges and safety of magnetic resonance imaging with in situ neuromodulation from spine to brain

John S. Thornton
<span title="">2017</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/7lch2pisinhsbddgj4vhei5wyq" style="color: black;">European journal of paediatric neurology</a> </i> &nbsp;
device, including deep brain stimulation, vagus nerve stimulation, sacral neuromodulation, spinal cord stimulation systems, and cochlear implants.  ...  When neuro-stimulator systems are introduced into the MRI environment a number of hazards arise with potential for patient harm, in particular the risk of thermal injury due to MRI-induced heating.  ...  injury due to RF-induced heating during MRI remains a concern.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.ejpn.2016.06.001">doi:10.1016/j.ejpn.2016.06.001</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/27430172">pmid:27430172</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/rfmbabe525h6nhprrtqapjfq2y">fatcat:rfmbabe525h6nhprrtqapjfq2y</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180724080748/http://discovery.ucl.ac.uk/1507551/1/Thornton%20Neuromodulation%20MRI%20Safety.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/d3/cf/d3cf38e3e3f3fedbfcc62961c20805c526b16703.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.ejpn.2016.06.001"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a>

Anaesthesia for deep brain stimulation and in patients with implanted neurostimulator devices

C.C.M. Poon, M.G. Irwin
<span title="">2009</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yh4zdhfsobdolesogv6czydwqi" style="color: black;">British Journal of Anaesthesia</a> </i> &nbsp;
Contraindication Implantation of an Activa Brain Stimulation System is contraindicated for patients who will be exposed to MRI using a full body transmit radio-frequency (RF) coil, a receive-only head  ...  The Deep brain stimulation neurostimulator case is not active.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1093/bja/aep179">doi:10.1093/bja/aep179</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/19556271">pmid:19556271</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/nttrapxhbzgrvh4nfgjtaumdfe">fatcat:nttrapxhbzgrvh4nfgjtaumdfe</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20100331142025/http://bja.oxfordjournals.org:80/cgi/reprint/103/2/152.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/d1/79/d17961b8772f37070a8cbe0b225f1b4a53882dc0.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1093/bja/aep179"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> Publisher / doi.org </button> </a>

Feasibility of simultaneous intracranial EEG-fMRI in humans: A safety study

David W. Carmichael, John S. Thornton, Roman Rodionov, Rachel Thornton, Andrew W. McEvoy, Roger J. Ordidge, Philip J. Allen, Louis Lemieux
<span title="">2010</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/sa477uo7lveh7hchpikpixop5u" style="color: black;">NeuroImage</a> </i> &nbsp;
These potential hazards were examined experimentally in-vitro on a Siemens 3 T Trio, 1.5 T Avanto and a GE 3 T Signa Excite scanner using a Brain Products MR compatible EEG system.  ...  We found that the risk of tissue damage due to RF-induced heating is low provided implant and scanner specific SAR limits are observed with a safety margin used to account for uncertainties (e.g. in scanner-reported  ...  Combinations of these have been previously studied in the context of scalp EEG-fMRI [18] and active deep brain stimulation (DBS) during MRI [19] [20] [21] [22] [23] [24] .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuroimage.2009.07.062">doi:10.1016/j.neuroimage.2009.07.062</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/19651221">pmid:19651221</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/clxvsjknxbg3pm4o4l6rsohusy">fatcat:clxvsjknxbg3pm4o4l6rsohusy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180724233718/http://discovery.ucl.ac.uk/20271/1/20271.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/88/37/8837dfa6e2e5f97c7393a9260a23d0792648de98.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuroimage.2009.07.062"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a>

Temperature control at DBS electrodes using a heat sink: experimentally validated FEM model of DBS lead architecture

Maged M Elwassif, Abhishek Datta, Asif Rahman, Marom Bikson
<span title="2012-07-04">2012</span> <i title="IOP Publishing"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/tpqlgxji7rezlnmgkbv4hfla3a" style="color: black;">Journal of Neural Engineering</a> </i> &nbsp;
There is a growing interest in the use of deep brain stimulation (DBS) for the treatment of medically refractory movement disorders and other neurological and psychiatric conditions.  ...  ); (2) it does not interfere with device efficacy; and (3) can be practically implemented in a broad range of implanted devices without modifying the normal device operations or the implant procedure.  ...  MRI on patient with implanted DBS can be hazardous, due to a strong coupling between the MRI incident RF field and the DBS lead.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1088/1741-2560/9/4/046009">doi:10.1088/1741-2560/9/4/046009</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/22764359">pmid:22764359</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC3406231/">pmcid:PMC3406231</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/hpuedjomqrf7bfm2egrkhrlkxy">fatcat:hpuedjomqrf7bfm2egrkhrlkxy</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20170812073721/http://bme.ccny.cuny.edu/people/faculty/bikson/Elwasiff_Bikson_NeuralEngineering_DBSheatcontrol_2012.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/51/d0/51d077e48a626dbc700469f033c301c54e524e60.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1088/1741-2560/9/4/046009"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> iop.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3406231" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Safety of localizing epilepsy monitoring intracranial electroencephalograph electrodes using MRI: Radiofrequency-induced heating

David W. Carmichael, John S. Thornton, Roman Rodionov, Rachel Thornton, Andrew McEvoy, Philip J. Allen, Louis Lemieux
<span title="2008-10-28">2008</span> <i title="Wiley"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/sndsq6zlt5g4hchv4s4febk4tm" style="color: black;">Journal of Magnetic Resonance Imaging</a> </i> &nbsp;
Purpose: To investigate heating during postimplantation localization of intracranial electroencephalograph (EEG) electrodes by MRI.  ...  Materials and Methods: A phantom patient with a realistic arrangement of electrodes was used to simulate tissue heating during MRI.  ...  ACKNOWLEDGMENTS We are grateful to the Big Lottery fund, Wolfson Trust, and the National Society for Epilepsy for supporting the NSE MRI scanner.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/jmri.21583">doi:10.1002/jmri.21583</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/18972332">pmid:18972332</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC2883075/">pmcid:PMC2883075</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/a3w6yjuasffmxepfyhr4bejdhq">fatcat:a3w6yjuasffmxepfyhr4bejdhq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20180722013031/http://discovery.ucl.ac.uk/19132/1/19132.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/58/b5/58b52bbd4a3ac5aa2a17eaab00acb4155bc6e275.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/jmri.21583"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> wiley.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2883075" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>
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