Electrode dysfunctions in patients with deep brain stimulation: a clinical retrospective study |
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Authors: | Niels Allert Markella Markou Anna Antonina Miskiewicz Lars Nolden Hans Karbe |
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Institution: | (1) Neurological Rehabilitation Center Godeshoehe, Waldstrasse 2-10, D-53177 Bonn, Germany |
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Abstract: | Background Electrode fractures are known hardware problems in patients with deep brain stimulation (DBS) and require surgical revision.
Short circuits, loose connections or disconnections of only single contacts of the common quadripolar stimulation electrodes
are more subtle dysfunctions and can result in decreased efficacy of DBS. Measuring the impedances of electrodes helps detect
such technical dysfunctions. This study evaluates the frequency and clinical implications of abnormal impedance measurements. |
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