Journal
EUROPEAN JOURNAL OF RADIOLOGY
Volume 56, Issue 1, Pages 56-59Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ejrad.2005.03.029
Keywords
MRI; Paedi GAV; Dual Switch and proGAV
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The MR-compatibility of medical implants and devices becomes more and more important with the increasing number of high-field MR-scanners employed. Until the end of 2004, about twenty 3 T MR in Germany will be in clinical practice. Patients with hydrocephalus need frequent follow-up MR-examinations to assure correct functioning of a shunt. We tested three types of gravitational valves: the Paedi GAV, the Dual Switch and as a new programmable valve the proGAV (Miethke Company, Berlin), that have not been evaluated at 3 T, yet. In sum, there is strong evidence for maintenance of function of these valves after exposure to 3 T. This also implies the programmable valve, as long as the brake mechanism is properly adjusted during MR-examination. (C) 2005 Elsevier Ireland Ltd. All rights reserved.
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