Standard sphenoidal and mini-sphenoidal electrodes: A direct comparison |
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| Affiliation: | 1. Department of Biomedical, Metabolic, and Neural Science, University of Modena and Reggio Emilia, Modena, Italy;2. Neurology Unit, NOCSAE Hospital, ASL Modena, Italy;3. Intensive Care Unit, NOCSAE Hospital, ASL Modena, Italy;4. Emergency Department, NOCSAE Hospital, ASL Modena, Italy;5. Intensive Care Unit, AO Policlinico di Modena, Modena, Italy;1. Service de Neuro-oncologie, Hospices Civils de Lyon, Lyon, France;2. Centre de Référence des Syndromes Neurologiques Paranéoplasiques, Hospices Civils de Lyon, Université Claude Bernard Lyon1, Institut Neuromyogène CNRS UMR 5310 - Inserm U1217, Lyon, France;3. Service d''Electroneuromyographie et Pathologies Neuromusculaires, Hospices Civils de Lyon, Lyon, France;4. Service de Neurologie, Centre hospitalier Emile Roux, Le Puy en Velay, France;5. Service d''Oncologie, Centre hospitalier Emile Roux, Le Puy en Velay, France;6. Service d''Immunologie, Hospices Civils de Lyon, Lyon, France;7. Service de Neuropathologie, Hospices Civils de Lyon, Université Claude Bernard Lyon1, Institut Neuromyogène CNRS UMR 5310 - Inserm U1217, France |
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| Abstract: | ![]()
This study was designed to directly compare EEG recordings from standard sphenoidal (SS) electrodes to those obtained from subdermal “mini-sphenoidal” (MSP) electrodes. A montage was designed to include SS electrodes, MSP electrodes, and surface temporal leads. In a series of 100 consecutive patients, 9 cases demonstrated abnormalities in the SS and MSP electrodes only. An additional 6 patients had abnormalities present only in the SS electrodes. We conclude that MSP electrodes cannot be substituted for SS electrodes in the search for suspected abnormalities in temporal, inferior, or mesial brain regions. |
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