نتایج جستجو برای: cardiovascular response
تعداد نتایج: 1163604 فیلتر نتایج به سال:
Background: The ventral tegmental area (VTA) is well known for its role in cardiovascular control. It is demonstrated that about 20-30% of the VTA neurons are GABAergic though their role in cardiovascular control is not yet understood. This study is carried out to find the effects of GABA A and GABA B receptors on cardiovascular response of the VTA. Methods: Experiments were performed on uretha...
Previous studies have shown that induction of 2kidney -1clip Goldblatt hypertension (2K-1C) induction in rats eliminates hypertensive response after inactivating of the central nucleus of the amygdale (ACe). The present study investigated the possibility of alteration in local renin angiotensin system (RAS) activity in ACe after hypertension induction. Clamps were placed on the left renal arter...
Background and Aims: Warfarin is an anticoagulant agent used for many years in treating various clinical conditions such as thromboembolisms in cardiovascular disease. Some patients require different doses of warfarin to reach the therapeutic international normalized ratio ratio. These patients have specific demographic characteristics. Genetic polymorphisms in specific genes have been reported...
Introduction: The underlying mechanism responsible for the cardiovascular response to hemorrhage (HEM) is still unknown; however, several brain areas, such as the cuneiform nucleus (CnF) have shown to be involved. In this study, the cardiovascular effect of the CnF during HEM was evaluated. Methods: The animals were divided into the following groups: 1. Vehicle; 2. HEM; 3. Cobalt chloride (CoC...
Artemisia species, growing in almost all the northern hemisphere, is used in folk medicine of some countries as a remedy for hypertension. Since some cardiovascular disorders including hypertension are accompanied with altered responsiveness of vascular alpha-adrenergic receptors, the effect of aqueous Artemisia annua extract (100 and 200 mg kg-1) on a1-adrenoceptor agonist-induced contraction ...
OBJECTIVE Cardiovascular reactivity is hypothesized to mediate the relationship between stress and cardiovascular disease. We describe three considerations that are crucial for a causal model of cardiovascular responses to stress: the need for laboratory-life generalizability, the role of interactions between environmental exposures and individual response predispositions, and the importance of...
background: the prevalence of diabetes mellitus among iranian aged 25-64 estimated to be about 7.7%. the aim of current study was the assessment of socioeconomic status of diabetic patients and their complications. methods: a cross sectional study was conducted on type 2 diabetic patients with complications in four major teaching hospitals affiliated to tehran university of medical sciences (tu...
Changes in tissues and general renin-angiotensin system’s function are the most important factors in cardiovascular disease such as essential hypertension. Recent research shows that general renin - angiotensin system affects the short and immediate response , and that of the...
Sixteen untreated black patients with mild-to-moderate hypertension and no evidence of target organ damage were matched for age, sex, casual blood pressure (BP), and socioeconomic status with 16 white hypertensives. All patients were studied under standardized conditions in the hospital where they underwent continuous intraarterial ambulatory monitoring of BP and assessment of BP control mechan...
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