P30 and N33 of posterior tibial nerve SSEPs are analogous to P14 and N18 of median nerve SSEPs |
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| Institution: | 1. Department of Orthopaedic Surgery, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH 44915, USA;2. Department of Physical Medicine and Rehabilitation, Westchester Medical Center, 100 Woods Rd, Valhalla, NY 10595, USA;1. Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021, USA;2. FOCOS Hospital, P.O. Box KD 779 Kanda, Accra, Ghana, Africa;1. School of Medicine, Oregon Health & Science University, Portland, OR, United States;2. Department of Neurological Surgery, Oregon Health & Science University, Portland, OR, United States;1. School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA;2. Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA;3. Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USA;1. Department of Otorhinolaryngology, Head and Neck Surgery, Pusan National University School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea;2. Department of Otorhinolaryngology, Head and Neck Surgery, Pusan National University and Biomedical Research Institute, Pusan National University Yangsan Hospital, Yangsan, Gyeongnam, Republic of Korea;3. Division of Endocrinology and Metabolism, Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea |
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| Abstract: | Generator sources of far-field P30 and N33 components produced bosterior tibial nerve stimulation were compared with those of the P14 and N18 components of median nerve stimulated somatosensory evoked potentials. Intracranial spatio-temporal distributions of P30 and N33 were similar to those of the P14 and N18 obtained by median nerve stimulation. In clinical cases, the changes in P30 and N33 were correlated with those in P14 and N18, indicative that P30 and N33 are derived from activities similar to those that produce P14 and N18. |
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