نتایج جستجو برای: transient ischemia
تعداد نتایج: 204291 فیلتر نتایج به سال:
Therapeutic exercise is an integral component of the rehabilitation of patients who have suffered a stroke. The objective of the present study was to use immunohistochemistry to investigate the effects of post‑ischemic exercise on neuronal damage or death and gliosis in the aged gerbil hippocampus following transient cerebral ischemia. Aged gerbils (male; age, 22‑24 months) underwent ischemia a...
To enhance detection of ischemia during percutaneous transluminal coronary angioplasty (PICA), unipolar intracoronary electrocardiograms (ECGs) were recorded during PTCA in 25 patients from the tips of guidewires positioned distal to stenoses being dilated. Surface electrocardiographic leads chosen to reflect likely areas of reversible ischemia during PTCA were recorded simultaneously. In 21 of...
OBJECTIVE During surgical clipping of intracranial aneurysms, reduction in SEP amplitude is thought to indicate cortical ischemia and subsequent neurological deficits. Since the sensitivity of SEP is questioned, we investigated SEP with respect to post-operative ischemia. METHODS In 36 patients with 51 intracranial aneurysms, clinical evaluation and diffusion-weighted MRI (DWI) was performed ...
Release of cytochrome c from mitochondria to the cytosol is a critical step in apoptotic cell death after focal cerebral ischemia. The relationship among cytochrome c release, selective vulnerability, and delayed death of hippocampal CA1 neurons after transient global ischemia was examined. Global ischemia was induced by 10 min of bilateral common carotid artery occlusion and hypotension in rat...
Transient ischemic left ventricular dilation (TID) is a marker of severe and extensive coronary artery disease as well as an increased risk of adverse outcomes. The patients with more severe and extensive ischemia, multivessel-type of perfusion abnormality as well as patients with left anterior descending artery (LAD) territory perfusion abnormality have more probab...
Background : Brain injury by transient complete global brain ischemia (cardiac arrest) and regional incomplete brain ischemia (ischemic stroke) afflicts a very large number of patients with death or permanent disability. Recent studies suggest that olive extracts suppress inflammation and reduce stress oxidative injury. Methods: The aim of the study was to evaluate the effect of dietary Oli...
CA1 pyramidal neurons are highly vulnerable to transient cerebral ischemia. In vivo studies have shown that the excitability of CA1 neurons progressively decreased following reperfusion. To reveal the mechanisms underlying the postischemic excitability change, total potassium current, transient potassium current, and delayed rectifier potassium current in CA1 neurons were studied in hippocampal...
"UT ITH the growing appreciation of the vast clinical importance of coronary thrombosis the question is being asked more and more whether the atherosclerotic changes in the vessel wall are the chief causal factor or whether there are other factors, such as changes in the character of the blood itself, that play an important role. Unfortunately the question cannot be answered at present. There a...
Background and Purpose: TA3090 (Clentiazem) has been shown to have cerebrovascular protective properties in three experimental studies. An in vivo investigation was undertaken to determine its effects on pial arteries and cerebral blood flow and its therapeutic value in transient focal cerebral ischemia. Methods: This experiment was divided into two protocols. In the first, 200 or 400 ug/kg per...
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