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Short Latency Somatosensory Evoked Potentials in Brain Dead Patients

Short Latency Somatosensory Evoked Potentials in Brain Dead Patients Abstract • Scalp-recorded, short latency somatosensory averaged evoked potentials to median nerve stimulation that arise in the brachial plexus and in central somatosensory afferent pathways were studied in 11 patients who fulfilled the clinical criteria for brain death. These potentials were compared with similar responses that have been recorded in normal subjects. Potentials that arise in central subcortical afferent pathways were recorded in seven of these patients. This suggests that these pathways are able to conduct impulses in some clinically brain dead patients. References 1. A definition of irreversible coma: Report of the Ad Hoc Committee of the Harvard Medical School to Examine the Definition of Brain Death . JAMA 205:337-340, 1968.Crossref 2. Ivan LP: Spinal reflexes in cerebral death . Neurology 23:650-652, 1973.Crossref 3. Beecher HT: After the definition of irreversible coma . N Engl J Med 281:1070-1071, 1961.Crossref 4. Mohandas A, Chou SN: Brain death: A clinical and pathological study . J Neurosurg 35:211-218, 1971.Crossref 5. Mc L Black P: Criteria of brain death: Review and comparison . Postgrad Med 57:69-79, 1975. 6. Collaborative study: An appraisal of the criteria of cerebral death . JAMA 237:982-986, 1977.Crossref 7. Diagnoses of brain death , editorial. Lancet 2:1064-1066, 1976. 8. Conference of Medical Royal Colleges: Diagnosis of brain death . Lancet 2:1069-1070, 1976. 9. Conference of Medical Royal Colleges: Diagnosis of brain death . Br Med J 2:1187-1188, 1976.Crossref 10. Mc L Black P: Brain death . N Engl J Med 299:338-344, 393-401, 1978.Crossref 11. Korein J, Braunstein P, George A, et al: Brain death: I. Angiographic correlation with the radioisotopic values technique for evaluation of critical deficit of cerebral blood flow . Ann Neurol 2:195-205, 1977.Crossref 12. Silverman D, Masland RL, Saunders MG, et al: Irreversible coma associated with electrocerebral silence . Neurology 20:525-533, 1970.Crossref 13. Silverman D: Cerebral death: The history of its syndrome and its identification . Ann Intern Med 74:1003-1005, 1971.Crossref 14. Starr A: Auditory brain-stem responses in brain death . Brain 99:543-544, 1976.Crossref 15. Cracco RQ, Cracco JB: Somatosensory evoked potentials in man: Far field potentials . Electroencephalogr Clin Neurophysiol 41:460-466, 1976.Crossref 16. Anziska B, Cracco RQ, Cook AW, et al: Somatosensory far field potentials: Studies in normal subjects and patients with multiple sclerosis . Electroencephalogr Clin Neurophysiol 45:602-610, 1978.Crossref 17. Iragui-Madoz VJ, Wiederholt WC: Farfield somatosensory evoked potentials in the cat: Correlation with depth recording . Ann Neurol 1:569-574, 1977.Crossref 18. Feldman MH, Cracco RQ: Comparison of somatosensory evoked short latency potentials in man and cat . Electroencephalogr Clin Neurophysiol , to be published. 19. Arrezo J, Legatt AD, Vaughan HG: Topography and intracranial sources of somatosensory evoked potentials in the monkey: I. Early components . Electroencephalogr Clin Neurophysiol 46:155-172, 1979.Crossref 20. Celesia GG: Somatosensory evoked potentials recorded directly from human thalamus and SMI cortical area . Arch Neurol 36:399-405, 1979.Crossref 21. Sances A, Larson SJ, Crusick JF, et al: Early somatosensory evoked potentials . Electroencephalogr Clin Neurophysiol 45:505-514, 1978.Crossref 22. Goff GD, Matsumiya Y, Allison T, et al: The scalp topography of human somatosensory and auditory evoked potentials . Electroencephalogr Clin Neurophysiol 42:57-76, 1977.Crossref 23. Kritchevsky M, Wiederholt WC: Shortlatency somatosensory evoked potentials . Arch Neurol 35:706-711, 1978.Crossref 24. Chiappa KH, Choi SK, Young RR: Short latency somatosensory evoked potentials following median nerve stimulation in patients with neurological lesions , in Desmedt JE (ed): Progress in Clinical Neurophysiology . Basel, Karger, vol 7, 1978, to be published. 25. Brierley JB, Graham DL, Adams JH, et al: Neocortical death after cardiac arrest . Lancet 2:560-565, 1971. 26. Allen N: Life or death of the brain after cardiac arrest . Neurology 27:805-806, 1977.Crossref http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology American Medical Association

Short Latency Somatosensory Evoked Potentials in Brain Dead Patients

Archives of Neurology , Volume 37 (4) – Apr 1, 1980

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Publisher
American Medical Association
Copyright
Copyright © 1980 American Medical Association. All Rights Reserved.
ISSN
0003-9942
eISSN
1538-3687
DOI
10.1001/archneur.1980.00500530060009
Publisher site
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Abstract

Abstract • Scalp-recorded, short latency somatosensory averaged evoked potentials to median nerve stimulation that arise in the brachial plexus and in central somatosensory afferent pathways were studied in 11 patients who fulfilled the clinical criteria for brain death. These potentials were compared with similar responses that have been recorded in normal subjects. Potentials that arise in central subcortical afferent pathways were recorded in seven of these patients. This suggests that these pathways are able to conduct impulses in some clinically brain dead patients. References 1. A definition of irreversible coma: Report of the Ad Hoc Committee of the Harvard Medical School to Examine the Definition of Brain Death . JAMA 205:337-340, 1968.Crossref 2. Ivan LP: Spinal reflexes in cerebral death . Neurology 23:650-652, 1973.Crossref 3. Beecher HT: After the definition of irreversible coma . N Engl J Med 281:1070-1071, 1961.Crossref 4. Mohandas A, Chou SN: Brain death: A clinical and pathological study . J Neurosurg 35:211-218, 1971.Crossref 5. Mc L Black P: Criteria of brain death: Review and comparison . Postgrad Med 57:69-79, 1975. 6. Collaborative study: An appraisal of the criteria of cerebral death . JAMA 237:982-986, 1977.Crossref 7. Diagnoses of brain death , editorial. Lancet 2:1064-1066, 1976. 8. Conference of Medical Royal Colleges: Diagnosis of brain death . Lancet 2:1069-1070, 1976. 9. Conference of Medical Royal Colleges: Diagnosis of brain death . Br Med J 2:1187-1188, 1976.Crossref 10. Mc L Black P: Brain death . N Engl J Med 299:338-344, 393-401, 1978.Crossref 11. Korein J, Braunstein P, George A, et al: Brain death: I. Angiographic correlation with the radioisotopic values technique for evaluation of critical deficit of cerebral blood flow . Ann Neurol 2:195-205, 1977.Crossref 12. Silverman D, Masland RL, Saunders MG, et al: Irreversible coma associated with electrocerebral silence . Neurology 20:525-533, 1970.Crossref 13. Silverman D: Cerebral death: The history of its syndrome and its identification . Ann Intern Med 74:1003-1005, 1971.Crossref 14. Starr A: Auditory brain-stem responses in brain death . Brain 99:543-544, 1976.Crossref 15. Cracco RQ, Cracco JB: Somatosensory evoked potentials in man: Far field potentials . Electroencephalogr Clin Neurophysiol 41:460-466, 1976.Crossref 16. Anziska B, Cracco RQ, Cook AW, et al: Somatosensory far field potentials: Studies in normal subjects and patients with multiple sclerosis . Electroencephalogr Clin Neurophysiol 45:602-610, 1978.Crossref 17. Iragui-Madoz VJ, Wiederholt WC: Farfield somatosensory evoked potentials in the cat: Correlation with depth recording . Ann Neurol 1:569-574, 1977.Crossref 18. Feldman MH, Cracco RQ: Comparison of somatosensory evoked short latency potentials in man and cat . Electroencephalogr Clin Neurophysiol , to be published. 19. Arrezo J, Legatt AD, Vaughan HG: Topography and intracranial sources of somatosensory evoked potentials in the monkey: I. Early components . Electroencephalogr Clin Neurophysiol 46:155-172, 1979.Crossref 20. Celesia GG: Somatosensory evoked potentials recorded directly from human thalamus and SMI cortical area . Arch Neurol 36:399-405, 1979.Crossref 21. Sances A, Larson SJ, Crusick JF, et al: Early somatosensory evoked potentials . Electroencephalogr Clin Neurophysiol 45:505-514, 1978.Crossref 22. Goff GD, Matsumiya Y, Allison T, et al: The scalp topography of human somatosensory and auditory evoked potentials . Electroencephalogr Clin Neurophysiol 42:57-76, 1977.Crossref 23. Kritchevsky M, Wiederholt WC: Shortlatency somatosensory evoked potentials . Arch Neurol 35:706-711, 1978.Crossref 24. Chiappa KH, Choi SK, Young RR: Short latency somatosensory evoked potentials following median nerve stimulation in patients with neurological lesions , in Desmedt JE (ed): Progress in Clinical Neurophysiology . Basel, Karger, vol 7, 1978, to be published. 25. Brierley JB, Graham DL, Adams JH, et al: Neocortical death after cardiac arrest . Lancet 2:560-565, 1971. 26. Allen N: Life or death of the brain after cardiac arrest . Neurology 27:805-806, 1977.Crossref

Journal

Archives of NeurologyAmerican Medical Association

Published: Apr 1, 1980

References