نتایج جستجو برای: cardiovascular control
تعداد نتایج: 1506174 فیلتر نتایج به سال:
maternal diabetes has teratogenic effects on the evolution of the fetal cardiovascular system; as a consequence, cardiovascular malformations are the most common anomalies in infants of diabetic mothers. the present study focuses on the association of all types of diabetes in mothers with the incidence of congenital cardiovascular malformations in their infants. in this retrospective case-contr...
Background and Objectives: Obesity and overweight in addition to cardiovascular and metabolic diseases, greatly effects reproductive health as well. Although the positive effects of exercise on weight control and minimizing cardiovascular risk factors has been proven, the effects may vary depending on the type and intensity of the exercise. Therefore, the aim of this study was to compare the ef...
The objective of this study is to design a robust direct model reference adaptive controller (DMRAC) for a nonlinear cardiovascular model over a range of plant parameters representing a variety of physical conditions. The direct adaptive controllers used in thisd study require the plant to be almost strictly positive real (ASPR) that is, for a plant to be controlled there must exist a feedback ...
Background & Objectives: Cardiovascular diseases (CVD) are the most common causes of mortality in the world. Hypertension is one of the most important risk factors for cardiovascular diseases. Decreasing blood pressure has a significant role in reducing the risk of cardiovascular events, which can be achieved by exercising. The present study aimed to evaluate the effects of a six-week resis...
background: the presence of nitric oxide (no) in the cuneiform nucleus (cnf) has been previously shown. in this study, ng-nitro-l-arginine methyl ester (l-name) (an inhibitor of no synthase), l-arginine (l-arg) (a precursor of no), and sodium nitroprusside (snp) (a donor of no) were microinjected into the cnf and cardiovascular responses were investigated. methods: seventy male rats were divide...
Background: Cardiovascular disease is one of the major leading cause of death in Iran. There is a strong association between parental history of cardiovascular disease clustering of risk factors in the offspring. Detection and treatment of cardiovascular risk factors since childhood is essential to reduce the incidence of disease in adulthood. This study was performed to identify major cardiova...
some researches made in the field of agency problem issue, deal with the role of control systems regarding owners and managers. in this research the relationship between the two control mechanisms, namely the voluntary disclosure (external control mechanism) and outside directors (internal control mechanism), which are reductive of agency problems, has been studied. for this reason, a sample ...
Introduction: The effects of chronic exposure to isoflurane anesthetic gas at a concentration of 13 ppm on the function of cardiovascular and respiratory systems of hospital operating room staff are investigated in this study. Methods and Materials: Subjects included operating room staff (experimental group: 10 men and 10 women) and control group has been selected from other wards of hospital ...
There is a substantial amount of clinical data showing the relationship between diabetes and atherosclerosis and its clinical complications (1,2). Cardiovascular disease (CVD) is more common in people with diabetes than in subjects without the disease, and when it is present, it also has a more aggressive course and a worse prognosis (3). The bulk of epidemiological data has firmly established ...
Realistically, most professional and general physiology courses will have only one or two lecture hours devoted to cardiovascular reflexes. Therefore, it is important to choose carefully the points you consider the most important and focus your lecture(s) to stress these points. In writing this article, I have tried to highlight the concepts that, in my opinion, are the most important. I have g...
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