2000
DOI: 10.1590/s0004-282x2000000600012
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Avaliação da isquemia cerebral focal induzida pela oclusão da artéria cerebral média e a ação neuroprotetora do cetoprofeno em ratos

Abstract: RESUMO -A isquemia cerebral é fenômeno eventualmente observado durante procedimentos neurocirúrgicos e em patologias clínicas resultando em déficits neurológicos incapacitantes ou mesmo na morte. Por tratar-se de problema grave e de difícil solução, vários estudos têm sido efetuados com o objetivo de elucidar os mecanismos do fenômeno isquêmico no sistema nervoso central (SNC) e abolir ou diminuir seus efeitos através das drogas que protegem os neurônios (neuroprotetoras). Vários neurotransmissores estão envol… Show more

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Cited by 13 publications
(14 citation statements)
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“…Baker et al 28 detected slower, less intense and shorter lasting elevation of glutamate in the ischemic hemisphere of hypothermic animals, in agreement with fi ndings of lower histological injury. A recent study from our institution using permanent focal CI in rats demonstrated a progressive reduction in total glutamate levels on the injured side after 30 and 45 minutes, which was not infl uenced by previous ketoprofen administration 13 . Under CI conditions, glutamate levels rapidly increase in the extracellular space and decrease with reperfusion.…”
Section: Discussionmentioning
confidence: 65%
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“…Baker et al 28 detected slower, less intense and shorter lasting elevation of glutamate in the ischemic hemisphere of hypothermic animals, in agreement with fi ndings of lower histological injury. A recent study from our institution using permanent focal CI in rats demonstrated a progressive reduction in total glutamate levels on the injured side after 30 and 45 minutes, which was not infl uenced by previous ketoprofen administration 13 . Under CI conditions, glutamate levels rapidly increase in the extracellular space and decrease with reperfusion.…”
Section: Discussionmentioning
confidence: 65%
“…Among those most intensely studied are the antagonists of the NMDA receptors of glutamate, among them ketoprofen. Experimental studies with transitory focal ischemia conducted at our institution have demonstrated the NP effect of ketoprofen on the rabbit retina 31 and on the rat brain 13 . We did not fi nd report on a NP ketoprofen dosage and opted to adopt the dosage used in a previous study 13 .…”
Section: Discussionmentioning
confidence: 99%
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“…Based on the acquired knowledge several studies with drugs such as magnesium and antioxidants 16 , barbiturates 8,17 , manitol 1 , ketamine 18 and ketoprofen 19 have been performed in an attempt to minimize the harmful effect of ischemia, aiming to offer protection to brain tissue. Besides studies using drugs, the neuroprotective effect of mild/moderated hypothermia during transient cerebral ischemia has been well established during the last decade 4,8,20,21 .…”
Section: Discussionmentioning
confidence: 99%