نتایج جستجو برای: cerebral ischemia
تعداد نتایج: 248702 فیلتر نتایج به سال:
Background and objective: Transient global cerebral ischemia leads to neuronal damage in the hippocampus and cerebral cortex which results in learning and memory impairment. Exercise preconditioning helps with neuroprotection against cerebral injuries induced by ischemia. The purpose of the present study was to investigate the effect of exercise preconditioning on tactile learning following glo...
Objective(s): Stroke poses a crucial risk for mortality and morbidity. Our study aimed to investigate the effect of p-coumaric acid on focal cerebral ischemia in rats. Material and Methods: Rats were randomly divided into four groups, namely Group I (control rats), Group II (ischemia rats), Group III (6 hr ischemia + p-coumaric acid rats) and Group IV (24 hr ischemia + p-coumaric acid rats). C...
objective: estrogen deficit following menopause results in cognitive behaviors impairment. severity of these impairments in menopause women suffer with cerebral hypo perfusion/ischemia (hi) cause the brain damage and neuronal death. this study aimed to evaluate the effects of pomegranate seed extract (pgse) on avoidance memories after permanent bilateral common carotid arteries occlusion (2ccao...
Objective(s): Some histopathological alterations take place in the ischemic regions following brain ischemia. Recent studies have demonstrated some neuroprotective roles of crocin in different models of experimental cerebral ischemia. Here, we investigated the probable neuroprotective effects of crocin on the brain infarction and histopathological changes after transient model of focal cerebral...
pervious studies have shown that pentoxifylline (ptx) has beneficial effects in reduction of stroke and brain trauma injuries in experimental animals. however, there is very little and controversial information about the effect of ptx on brain edema in cerebral ischemia. therefore, the aim of this study was to determine the effects of different doses of ptx on brain edema and neurological motor...
introduction: several studies have indicated that late treatment of aminoguanidine (ag) reduces cerebral ischemic injuries in animal models. however, the effects of early treatment of ag on cerebral ischemic damage are not well understood. this study was designed to evaluate effect of early treatment of ag on cortex and striatum injuries as well as neurological dysfunctions in transient model o...
Background: Cerebral ischemia/ reperfusion leads to programmed cell death or planned apoptosis. Hippocampus is a very sensitive tissue cerebral ischemia. Propofol an anesthesia that recently the use of this drug as neuroprotective has been considered. In study, effect propofol on CA2 and CA3 areas hippocampus following ischemia was investigated.
Introduction: Cerebral ischemia-reperfusion causes complex pathological mechanisms that lead to tissue damage, such as neuronal apoptosis. Usnic acid is a secondary metabolite of lichen and has various biological properties including antioxidant and anti-inflammatory activities. This study aimed to investigate the neuroprotective effects of usnic acid on apoptotic cell death and apoptotic-relat...
background: stroke is a multifactorial disorder, the most common cause being arterial occlusion. transcranial doppler ultrasonography (tcd) is a common non-invasive method available for assessment the arterial blood flow of the brain. objective: assessment the hemodynamic parameters of cerebral arteries, using tcd device in patients suffering ischemic stroke. materials and methods: this descrip...
Pervious studies have shown that pentoxifylline (PTX) has beneficial effects in reduction of stroke and brain trauma injuries in experimental animals. However, there is very little and controversial information about the effect of PTX on brain edema in cerebral ischemia. Therefore, the aim of this study was to determine the effects of different doses of PTX on brain edema and neurological m...
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