نتایج جستجو برای: cerebrovascular system
تعداد نتایج: 2306407 فیلتر نتایج به سال:
Endothelin-1 (ET1) is a potent vasoconstrictor peptide implicated in the cerebrovascular alterations occurring in stroke, subarachnoid hemorrhage, and brain trauma. Brain or circulating levels of ET1 are elevated in these conditions and in risk factors for cerebrovascular diseases. Most studies on the cerebrovascular effects of ET1 have focused on vascular smooth muscle constriction, and little...
Effective management of patients who have cerebrovascular disease depends on accurate diagnosis. Many conditions cause clinical findings that closely mimic cerebrovascular disorders and are often ruled out through brain imaging or laboratory findings. Diagnosis of cerebrovascular disorders is based on the presence of risk factors for vascular disease, the tempo of onset, the presence of concurr...
OBJECTIVES An understanding of cerebro-vascular effects of selective serotonin reuptake inhibitors (SSRIs) is essential, since SSRIs are a widely used antidepressant, serotonin is a vasoactive and thrombostatic amine, and there is a bidirectional relationship between depression and cerebrovascular disease. DATA SOURCES A MEDLINE search was performed to identify published reports over the peri...
BACKGROUND AND PURPOSE There is little population-based information on cerebrovascular events and survival among valvular heart disease patients. We used the Kaplan-Meier product-limit method and the Cox proportional hazards model to determine rates and predictors of cerebrovascular events and death among valve disease patients. METHODS This population-based historical cohort study in Olmsted...
BACKGROUND Patients with atherosclerotic cardio-cerebrovascular disease are at high risk of kidney dysfunction because of the overlap of several risk factors. The purpose of this study is to examine the prevalence and characteristics and risk factors for kidney dysfunction in the cardio-cerebrovascular disease population. METHODS Renal functions of 1012 patients with the cardio-cerebrovascula...
BACKGROUND Stroke, mainly attributable to atherothrombotic disease, represents a leading cause of disability and death in the Western world. Endothelial dysfunction, which is considered a key factor in atherogenesis, is associated with an increased risk of cardiovascular events. However, the magnitude of the association between coronary endothelial dysfunction (CED) and cerebrovascular events i...
Objective—Twenty-four–hour ambulatory blood pressure (24-hour ABP) values are considered a powerful predictor of stroke. Silent cerebrovascular lesions are associated with an increased risk of stroke. Because fibrinogen is a major determinant of plasma viscosity, an elevated fibrinogen level might also be associated with stroke risk. We evaluated the association of 24-hour ABP and plasma fibrin...
We studied the relationship of race to incidence of hospitalization for cerebrovascular disease among 74,096 white and 33,041 black persons who took health examinations in a prepaid health care program. Analyses were controlled for age, sex, body mass index, coffee use, smoking, alcohol use, systolic blood pressure, and baseline disease. Blacks were at higher hospitalization risk than whites fo...
In order to find out the relationship between the cerebrovascular acetazolamide reactivity and platelet function in asymptomatic cerebral thrombosis, 10 cases of asymptomatic cerebral infarction and 10 age-matched control subjects were studied. The cerebrovascular acetazolamide reactivity was measured using xenon computed tomography method. As markers of platelet function, the plasma concentrat...
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