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Flow thresholds for extracellular purine catabolite elevation in cat focal ischemia
Ischemic glutamate excitotoxicity may be counteracted by adenosine which appears extracellularly during ischemia as an intermediate purine catabolite and has the potential to modulate glutamateExpand
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Ischemia‐Induced Accumulation of Extracellular Amino Acids in Cerebral Cortex, White Matter, and Cerebrospinal Fluid
Abstract: In a global model of brain ischemia, accumulation of amino acids was studied in the extracellular space of the auditory cortex and the internal capsule using microdialysis, and in CSF ofExpand
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Application of a rigid endoscope to the microsurgical management of 54 cerebral aneurysms: results in 48 patients.
OBJECT To enhance visual confirmation of regional anatomy, endoscopy was introduced during microsurgery for cerebral aneurysms. The risks and benefits are analyzed in the present study. METHODS TheExpand
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Purine catabolites in cerebral interstitial fluid during progression of and recovery from ischemia.
The concentrations of purine catabolites in the cerebral interstitial fluid during progression of and recovery from ischemia were studied using brain microdialysis and high-performance liquidExpand
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[Extracellular purine catabolites and tissue nucleotides and purine catabolites during progression and recovery of ischemia].
During progression and recovery of ischemia, extracellular purine catabolites were measured and compared with purine catabolites and adenine nucleotide levels in the tissue. Ischemia was induced byExpand
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Ischemic Flow Threshold for Extracellular Glutamate Increase in Cat Cortex
Extracellular glutamate (Glu), cerebral blood flow (CBF), and auditory-evoked potentials (AEPs) were measured concurrently using microdialysis and hydrogen clearance in the auditory cortex ofExpand
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Differences in ischemia-induced accumulation of amino acids in the cat cortex.
It is well established that excitatory amino acid neurotransmitters are extensively liberated during ischemia and that they have neurotoxic properties contributing to neuronal injury. To studyExpand
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Glioblastoma following radiotherapy in a patient with tuberous sclerosis.
A 26-year-old male with tuberous sclerosis developed a glioblastoma in the right temporal lobe 8 years after surgical excision and irradiation of a subependymal giant cell astrocytoma. TheExpand
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Effect of Adenosine Agonist (Propentofylline) on Rat Hippocampal Seizures Induced by Microdialysis with Potassium: Analysis Using Compressed EEG Power Spectrum Array
Alteration of ionic microenvironment has been proved to increase excitability in the brain and contribute to the onset of seizures.'6 In a series of our studies on experimental epilepsy, we have usedExpand
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Temperature distribution produced by laser irradiation in a ventricle model. The use of airflow in neuroendoscopic surgery.
The changes in intraventricular temperature during potassium titanyl phosphate laser irradiation were investigated using a ventricle configuration model. The laser had an output of 3 to 20 watts in 1Expand
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