2001
DOI: 10.1007/s004010000260
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Electron microscopic investigation of rat brain after brief cardiac arrest

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Cited by 43 publications
(19 citation statements)
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References 37 publications
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“…Furthermore, the decrease of detectable long-latency SEP peaks, which describe cortical integrity, compared with detectable cortical short-latency SEP peaks was also tested to be significant. These results show that the thalamic and cortical brain regions are more vulnerable to hypoxia than the cervical cord, which is supported by various former studies describing selective neuronal vulnerability following cardiac arrest, especially of the neocortex and the thalamus [3][4][5][6][7][8][9][10]. Recording of SEPs is an established, noninvasive technique for monitoring brain function [18][19][20], having high prognostic reliability in comatose cardiac arrest survivors [11].…”
Section: Discussionsupporting
confidence: 67%
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“…Furthermore, the decrease of detectable long-latency SEP peaks, which describe cortical integrity, compared with detectable cortical short-latency SEP peaks was also tested to be significant. These results show that the thalamic and cortical brain regions are more vulnerable to hypoxia than the cervical cord, which is supported by various former studies describing selective neuronal vulnerability following cardiac arrest, especially of the neocortex and the thalamus [3][4][5][6][7][8][9][10]. Recording of SEPs is an established, noninvasive technique for monitoring brain function [18][19][20], having high prognostic reliability in comatose cardiac arrest survivors [11].…”
Section: Discussionsupporting
confidence: 67%
“…We could not detect any difference between left-side and right-side median nerve stimulation in thalamic and cortical SEP peak latencies (data not shown), which is consistent with global hypoxic-ischaemic brain damage. However, different studies have described pronounced vulnerability of certain parts of the brain as a result of hypoxicischaemic events [2][3][4][5][6][7][8][9][10]. The reason for this selective vulnerability is not yet fully understood.…”
Section: Discussionmentioning
confidence: 99%
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“…Accumulated ubiquinated protein clusters convert to insoluble, toxic protein aggregates (PAs) . Mitochondria and endoplasmic reticulum (ER) swell and alterations in their ability to undergo fusion/fission have been noted . Mitochondria can lose their electrical potential and become dysfunctional .…”
Section: Delayed Neuronal Deathmentioning
confidence: 99%
“…Eine detaillierte elektronenmikroskopische Untersuchung hat allerdings gezeigt, dass die verschiedenen Modelle globaler Ischämie durch Gefäûligaturen einerseits und Herzstillstand andererseits Unterschiede aufweisen. Beim Herzstillstand ist der CA1-Sektor nicht selektiv betroffen, sondern die neuronalen Veränderungen betreffen gleichermaûen die CA3-Region, den Gyrus dentatus, den Nucleus reticularis des Thalamus und den zerebralen Kortex [5]. Eine globale Ischämie führt zu einer Beeinträchtigung des räumlichen Lernens im Morris-Water-Maze-Test, der sich damit für die Evaluierung von Therapiestrategien eignet (Übersicht bei [6]).…”
Section: Tiermodelleunclassified