homovanillic acid/infarction

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Homovanillic acid and 5-hydroxyindoleacetic acid modifications in CSF of patients with stroke and multi-infarct dementia.

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Thirty four patients who had complete ischemic stroke confirmed by neurologic examination, were divided into three groups according to the time elapsed between the first signs of stroke and lumbar puncture: group A, 22-47 h; group B, 48-71 h; group C, 72-96 h. Nineteen patients with multi-infarct

Cerebrospinal fluid homovanillic acid in cerebral infarction.

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Cerebrospinal fluid (CSF) homovanillic acid (HVA) concentration was measured in 39 consecutive cases of hemispheric infarction, 7 cases of brainstem infarction, and in 16 controls. The CSF-HVA level was 38 +/- 15 ng/ml (mean +/- S.D.) in the control patients, 15 +/- 6 ng/ml in patients with

Urinary excretion of dopamine and homovanillic acid in acute myocardial infarction.

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Small infarctions of cochlear, retinal, and encephalic tissue in young women.

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OBJECTIVE Recently, a rare syndrome that involves uniformly the brain, inner ear, and retina in previously healthy young women has been described. Brain biopsies and ophthalmologic examinations disclosed small infarcts as a pathoanatomical substrate of the disease. In previous reports, an autoimmune

Dementia of the Alzheimer type and multi-infarct dementia: a clinical description and diagnostic problems.

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Patients who had Alzheimer's disease-senile dementia of the Alzheimer type (AD/SDAT) or multi-infarct dementia (MID) were compared with a group of controls. Demented patients had approximately the same degree of dementia and the same duration of illness. The MID group had a significantly higher mean

[Effects of zatebradine on the course of experimental myocardial infarction under long-term treatment conditions in rats].

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A long-term (21 days) administration of the specific bradycardic agent zatebradine to rats with experimental myocardial infarction led to a decrease in the intensity of necrotic changes in the cardiac muscle as evaluated from the ECG-recorded QS complex incidence rate. Morphological studies provided

Neurotransmitter precursor amino acids in the treatment of multi-infarct dementia and Alzheimer's disease.

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Ten patients with severe dementia due to Alzheimer's disease (AD) or multi-infarct dementia (MID) or both, were treated with the precursor amino acids of the neurotransmitters serotonin and dopamine. The precursor amino acids (PAA) were given orally in a preparation that included tyrosine (4 gm

Lateralized effect of cerebral infarction on spinal fluid monoamine metabolite concentrations in rats.

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Using a rat model of stroke, we studied the effect of unilateral middle cerebral artery ligation on cerebrospinal fluid monoamine metabolites at different intervals over a 40-day postoperative period. Male Sprague-Dawley rats were divided into four groups: an unoperated control group (n = 9), a

Metabolism of monoamine neurotransmitters in the evolution of infarction in ischemic striatum.

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The time course of changes in monoamine metabolism in ischemic striatum was assessed by measurement of levels of dopamine (DA), dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA), serotonin (5-HT) and 5-hydroxy-indole-acetic acid (5-HIAA) 2, 4, 7 and 16 hours after irreversible unilateral

Alterations of monoamine metabolites and of tryptophan in the basal cisternal CSF of patients after subarachnoid haemorrhage.

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Homovanillic acid (HVA), 5-hydroxyindoleacetic acid (5-HIAA) and tryptophan (TRP) were measured in the CSF obtained from the basal cistern of 20 patients, who had undergone surgical obliteration of bleeding aneurysms within 3 days after subarachnoid haemorrhage (SAH). The concentrations of these

Parkinsonian syndrome after cardiac arrest: radiological and neurochemical changes.

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Following a cardiac arrest, a 21-year-old man developed a Parkinson syndrome. This was due to, as shown by brain computerized tomography (CT) and magnetic resonance imaging (MRI), symmetrical infarctions of the basal ganglia, especially the globi pallidi. The levels of homovanillic acid (HVA) in the

Syndrome of normal pressure hydrocephalus: possible relation to hypertensive and arteriosclerotic vasculopathy.

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A patient with clinical features of idiopathic normal pressure hydrocephalus, who responded dramatically to shunting, was found a necropsy to have a severe hypertensive and arteriosclerotic vasculopathy with multiple lacunar infarcts. There was no pathological evidence of thickened leptomeninges,

Increased monoamine metabolite concentrations and cholinesterase activities in cerebrospinal fluid of patients with acute stroke.

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Twenty-one patients with acute brain infarction, 8 with transient ischemic attack and 20 controls were investigated for lumbar cerebrospinal fluid (CSF) monoamine metabolites and cholinesterases. The diseased patients were lumbar punctured on 2 occasions, mean Days 1 (0-3) and 5 (3-9) after debut of

[Effects of idebenone on monoamine metabolites in the cerebrospinal fluid of patients with cerebrovascular dementia].

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Elucidation of the alterations of intracerebral neurotransmitters in cerebrovascular dementia is of prime importance not only in revealing patho-physiological mechanism but also in developing the therapy for the disease. We measured monoamine metabolites and norepinephrine (NE) in cerebrospinal

Treatment of pathologic emotionality with thyrotropin-releasing hormone.

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Thyrotropin-releasing hormone (TRH) has been reported to be effective in some neuropsychiatric diseases. We examined the effect of TRH on the syndrome of pathologic laughing or crying in four patients with multiple cerebral infarction and one with olivo-ponto-cerebellar atrophy (OPCA). We found a

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