Cargando…
Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness
BACKGROUND: Bilaterally absent N20 components of the sensory evoked potentials (SEP) from the median nerve are regarded as accurately predicting poor outcome after cardiac arrest. CASE PRESENTATION: We are reporting on a patient, who regained consciousness despite this ominous finding. Early after c...
Autores principales: | , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2014
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3991862/ https://www.ncbi.nlm.nih.gov/pubmed/24720818 http://dx.doi.org/10.1186/1471-2377-14-82 |
_version_ | 1782312510919016448 |
---|---|
author | Pfeiffer, Gustav Pfeifer, Rüdiger Isenmann, Stefan |
author_facet | Pfeiffer, Gustav Pfeifer, Rüdiger Isenmann, Stefan |
author_sort | Pfeiffer, Gustav |
collection | PubMed |
description | BACKGROUND: Bilaterally absent N20 components of the sensory evoked potentials (SEP) from the median nerve are regarded as accurately predicting poor outcome after cardiac arrest. CASE PRESENTATION: We are reporting on a patient, who regained consciousness despite this ominous finding. Early after cardiac arrest, MRI showed signal alterations in diffusion weighted imaging (DWI) bilaterally in the primary visual and sensorimotor cortex and in the basal ganglia. SEP were repeatedly absent. The patient survived shut out form sensory and visual experience and locked in for voluntary movements, but kept her verbal competence in several languages. CONCLUSION: SEP inform about integrity only of a narrow cortical strip. It is unguarded, but common practice, to conclude from absent SEP, that a patient has suffered diffuse cortical damage after cardiac arrest. Cerebral MRI with DWI helps to avoid this prognostic error and furthers understanding of the sometimes very peculiar state of mind after cardiac arrest. |
format | Online Article Text |
id | pubmed-3991862 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-39918622014-04-20 Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness Pfeiffer, Gustav Pfeifer, Rüdiger Isenmann, Stefan BMC Neurol Case Report BACKGROUND: Bilaterally absent N20 components of the sensory evoked potentials (SEP) from the median nerve are regarded as accurately predicting poor outcome after cardiac arrest. CASE PRESENTATION: We are reporting on a patient, who regained consciousness despite this ominous finding. Early after cardiac arrest, MRI showed signal alterations in diffusion weighted imaging (DWI) bilaterally in the primary visual and sensorimotor cortex and in the basal ganglia. SEP were repeatedly absent. The patient survived shut out form sensory and visual experience and locked in for voluntary movements, but kept her verbal competence in several languages. CONCLUSION: SEP inform about integrity only of a narrow cortical strip. It is unguarded, but common practice, to conclude from absent SEP, that a patient has suffered diffuse cortical damage after cardiac arrest. Cerebral MRI with DWI helps to avoid this prognostic error and furthers understanding of the sometimes very peculiar state of mind after cardiac arrest. BioMed Central 2014-04-11 /pmc/articles/PMC3991862/ /pubmed/24720818 http://dx.doi.org/10.1186/1471-2377-14-82 Text en Copyright © 2014 Pfeiffer et al.; licensee BioMed Central Ltd. http://creativecommons.org/licenses/by/2.0 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. |
spellingShingle | Case Report Pfeiffer, Gustav Pfeifer, Rüdiger Isenmann, Stefan Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness |
title | Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness |
title_full | Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness |
title_fullStr | Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness |
title_full_unstemmed | Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness |
title_short | Cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness |
title_sort | cerebral hypoxia, missing cortical somatosensory evoked potentials and recovery of consciousness |
topic | Case Report |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3991862/ https://www.ncbi.nlm.nih.gov/pubmed/24720818 http://dx.doi.org/10.1186/1471-2377-14-82 |
work_keys_str_mv | AT pfeiffergustav cerebralhypoxiamissingcorticalsomatosensoryevokedpotentialsandrecoveryofconsciousness AT pfeiferrudiger cerebralhypoxiamissingcorticalsomatosensoryevokedpotentialsandrecoveryofconsciousness AT isenmannstefan cerebralhypoxiamissingcorticalsomatosensoryevokedpotentialsandrecoveryofconsciousness |