نتایج جستجو برای: cerebrovascular circulation
تعداد نتایج: 174457 فیلتر نتایج به سال:
OBJECTIVE The aim of this study is to investigate the distribution of cerebral artery stenosis in patients with the ischemic cerebrovascular disease. PATIENTS AND METHODS One hundred and forty-four patients with ischemic cerebrovascular disease were enrolled and divided into three age brackets, the youth group (18-44 years old, 12 cases), middle-aged group (45-59 years old, 45 cases), and the...
RATIONALE Data from animal models of hypertension indicate that high blood pressure may develop as a vital mechanism to maintain adequate blood flow to the brain. We propose that congenital vascular variants of the posterior cerebral circulation and cerebral hypoperfusion could partially explain the pathogenesis of essential hypertension, which remains enigmatic in 95% of patients. OBJECTIVE ...
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...
IN EARLIER papers, " we have studied cerebral blood flow, cerebral blood pool, circulation times, and other parameters of the circulation in a control group and in cases of cerebrovascular diseases. In the last paper, we published mean values for a small control group of 11 patients, most of them epileptics. We obtained high values for both cerebral blood flow and cerebral blood pool in this co...
BACKGROUND AND PURPOSE We report a modified 4-vessel occlusion (4VO) rat model. METHOD We used a 1-stage anterior approach for making bilateral hemispheric ischemia. RESULTS Modified 4VO method decreased cerebral blood flow to 12% to 14% of baseline levels. CONCLUSIONS This modified 4VO method is a minimally invasive, quick, reliable procedure for producing ischemic changes.
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