Short-latency somatosensory evoked potentials in brain-dead patients |
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| Institution: | 1. Department of Neurology, University of Medicine and Dentistry of New Jersey - Robert Wood Johnson Medical School, USA;2. Neurology Service, Robert Wood Johnson University Hospital, New Brunswick, NJ 08903, U.S.A.;3. Lyons Veterans Administration Medical Center, Lyons, NJ 07939 U.S.A.;1. Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium;2. Department of Pharmacy, Uppsala University, Uppsala, Sweden;1. Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;2. The International Research Center for Neurointelligence (WPI-IRCN) at The University of Tokyo Institutes for Advanced Study (UTIAS), The University of Tokyo, Tokyo, Japan;3. Department of Psychiatry, Kawamuro Memorial Hospital, Niigata, Japan;4. University of Tokyo Institute for Diversity & Adaptation of Human Mind (UTIDAHM), Tokyo, Japan;5. Center for Evolutionary Cognitive Sciences, Graduate School of Art and Sciences, The University of Tokyo, Tokyo, Japan;6. Department of Rehabilitation, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;1. Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY 10029, United States;2. Division of Biostatistics, Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1057, New York, NY 10029, United States;3. Department of Radiation Oncology, Icahn School of Medicine at Mount Sinai, 1184 Fifth Avenue, New York, NY 10029, United States;5. Department of Pathology, Icahn School of Medicine at Mount Sinai, Annenberg Building 15-01 Box 1194, One Gustave L. Levy Place, New York, NY 10029, United States;6. Department of Medicine, Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1079, New York, NY 10029, United States;1. Molecular Regulation of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan;2. Animal Facility, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan;3. Department of Medical Biochemistry, Kobe Pharmaceutical University, Hyogo, 658-8558, Japan;4. Graduate School of Health and Sports Science, Juntendo University, Chiba, 270-1695, Japan;5. Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, 602-8566, Japan;6. Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, 602-8566, Japan;7. Department of Gastroenterology and Hepatology, Kochi Medical School, Kochi, 783-8505, Japan;8. Bio-Response Informatics, Kyoto, 612-8016, Japan;1. Temerty Centre for Therapeutic Brain Intervention, Centre for Addiction and Mental Health, Toronto, Ontario, Canada;2. Institute of Medical Science, Faculty of Medicine, University of Toronto, Ontario, Canada;3. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada;4. MRI-Guided TMS Clinic, University Health Network, Toronto, Ontario, Canada;5. Geriatric Division, Department of Psychiatry, University of Toronto, Ontario, Canada |
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| Abstract: | Ten adult brain-dead patients were evaluated for the presence of clearly defined median nerve short-latency somatosensory evoked potentials (SSEPs). All met clinical criteria recommended by the President's Commission report (1981), had positive apnea tests, and had electrocerebral silent EEGs. P13-P14 and N20 were absent in all scalp-scalp channels, although 3 patients showed P13-P14 in scalp-non-cephalic channels. Of 6 patients showing N13, 3 lacked P13-P14. Our data suggest a characteristic destruction of N20 and rostral P13-P14 generators, with variable rostral-caudal loss of lower generators, SSEPs can provide valuable information about brain-stem activity in the evaluation of suspected brain-dead patients. |
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