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Unusual pattern of somatosensory and brain-stem auditory evoked potentials after cardio-respiratory arrest

par Brunko, Eric ;Delecluse, Florence;Herbaut, Anne-Geneviève
Référence Electroencephalography and clinical neurophysiology, 62, 5, page (338-342)
Publication Publié, 1985

Article révisé par les pairs

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Résumé :

Two patients in coma after cardio-pulmonary arrest showed bilateral absence of all brain-stem auditory evoked potentials contrasting with normal brain-stem reflexes and normal somatosensory cortical evoked potentials. In both patients pre-existing dysfunction of peripheral auditory structures could be ruled out. Subsequent neuropathological analysis showed that the anoxic-ischaemic lesions were restricted to Sommer's sector and the Purkinje cells. These unusual data suggest the hypothesis that a severe hypoxic-ischaemic insult may impair cochlear function and interfere with the activation of the intact auditory pathways. © 1985.