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OBJECTIVES To analyze the diagnostic sensitivity and specificity of various brain-derived proteins (14-3-3, Tau, neuron specific enolase [NSE], and S100b) in the CSF of patients with Creutzfeldt-Jakob disease (CJD) and to analyze biologic factors that modify these parameters. METHODS CSF was tested for 14-3-3, Tau, NSE, and S100b in 1,859 patients with(More)
Quantitative rotational testing was used to study changes in the vestibulo-ocular reflex of patients with unilateral and bilateral peripheral vestibular lesions. Compared with normal subjects, the patients exhibited a characteristic pattern of decreased gain and increased phase lead at low frequencies of sinusoidal stimulation and decreased time constants(More)
The present study combined molecular and neuroimaging techniques to examine if free radical-mediated damage to barrier function in hypoxia would result in extracellular edema, raise intracranial pressure (ICP) and account for the neurological symptoms typical of high-altitude headache (HAH) also known as acute mountain sickness (AMS). Twenty-two subjects(More)
Migraine pathophysiology possibly involves deficient mitochondrial energy reserve and diminished cortical habituation. Using functional magnetic resonance spectroscopic imaging (fMRSI), we studied cortical lactate changes during prolonged visual stimulation to search for different pathophysiological mechanisms in clinically distinct subgroups of migraine(More)
The effect of acute high-dose glucocorticoid therapy on memory function in patients with acute optic neuritis (n = 9) and multiple sclerosis (n = 21) was studied. All patients had reversible impairment of long-term memory functions, whereas measures of short-term memory, attentional functions, and alertness remained unaffected.
Ligation of either the common and internal iliac or the internal and external iliac arteries produced ischaemic lesions of the sciatic nerve and its branches, as well as direct muscle damage, in 5 out of 6 rabbits. In one animal, ligation of the aorta and of the internal iliac artery on one side produced a similar mixture of nerve and muscle damage on the(More)
BACKGROUND Colorectal cancer is the second leading cause of cancer deaths in the United States. Fecal occult blood testing has become a standard screening test for large-bowel cancers in the average asymptomatic population. Performance characteristics of the test and physician and participant compliance are the 2 major elements that impact the success of(More)
PURPOSE To present a patient whose cold-triggered neck pain and jaw claudication remitted after revascularization of severe atherosclerotic stenoses of both external carotid arteries (ECA). CASE REPORT A 60-year-old vintner presented with jaw claudication and neck pain that increased in severity while he worked in cold temperatures. Angiography showed(More)