| Clinical safety of brain magnetic resonance imaging with implanted deep brain stimulation hardware: large case series and review of the literature. | |
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MedLine Citation:
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PMID: 21839969 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: Over 75,000 patients have undergone deep brain stimulation (DBS) procedures worldwide. Magnetic resonance imaging (MRI) is an important clinical and research tool in analyzing electrode location, documenting postoperative complications, and investigating novel symptoms in DBS patients. Functional MRI may shed light on the mechanism of action of DBS. MRI safety in DBS patients is therefore an important consideration. METHODS: We report our experience with MRI in patients with implanted DBS hardware and examine the literature for clinical reports on MRI safety with implanted DBS hardware. RESULTS: A total of 262 MRI examinations were performed in 223 patients with intracranial DBS hardware, including 45 in patients with an implanted pulse generator. Only 1 temporary adverse event occurred related to patient agitation and movement during immediate postoperative MR imaging. Agitation resolved after a few hours, and an MRI obtained before implanted pulse generator implantation revealed edema around both electrodes. Over 4000 MRI examinations in patients with implanted DBS hardware have been reported in the literature. Only 4 led to adverse events, including 2 hardware failures, 1 temporary and 1 permanent neurological deficit. Adverse neurological events occurred in a unique set of circumstances where appropriate safety protocols were not followed. MRI guidelines provided by DBS hardware manufacturers are inconsistent and vary among devices. CONCLUSIONS: The importance of MRI in modern medicine places pressure on industry to develop fully MRI-compatible DBS devices. Until then, the literature suggests that, when observing certain precautions, cranial MR images can be obtained with an extremely low risk in patients with implanted DBS hardware. |
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Authors:
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Ludvic Zrinzo; Fumiaki Yoshida; Marwan I Hariz; John Thornton; Thomas Foltynie; Tarek A Yousry; Patricia Limousin |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: World neurosurgery Volume: 76 ISSN: 1878-8750 ISO Abbreviation: World Neurosurg Publication Date: 2011 Jul-Aug |
Date Detail:
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Created Date: 2011-08-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101528275 Medline TA: World Neurosurg Country: United States |
Other Details:
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Languages: eng Pagination: 164-72 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Unit of Functional Neurosurgery, Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, University College London, Queen Square, London, UK; Victor Horsley Department of Neurosurgery, National Hospital for Neurology and Neurosurgery, Queen Square, London, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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