نتایج جستجو برای: left ventricular function
تعداد نتایج: 1512812 فیلتر نتایج به سال:
hypertonic saline solution can absorb part of the intracellular fluid volume into the extracellular space. the effects of this solution on the cardiovascular system are increased coronary flow and increased left ventricular contraction, without sympathetic system activation. this study was designed to assess the effects of hypertonic saline solution in open heart surgery and to compare it with ...
in this approach, the left ventricular assist pump for patients with left ventricular failure isused. the failure of the left ventricle is the most common heart disease during these days. inthis article, a state feedback controller method is used to optimize the efficiency of a samplingpump current. particle swarm algorithm, which is a set of rules to update the position andvelocity, is applied...
mitochondria play an important role in energy production for the cell. the proper function of a myocardial cell largely depends on the functional capacity of the mitochondria. therefore it is necessary to establish a novel and reliable method for a non-invasive assessment of mitochondrial function and metabolism in humans. although originally designed for evaluating myocardial perfusion, 99mtc...
Background: Chronic obstructive pulmonary disease (COPD) and heart failure are prevalent comorbidities affecting a vast proportion of the world population, responsible for significant morbidity and mortality, their coexistence is more frequent than previously recognized that poses important diagnostic and therapeutic challenges. We intend to determine the prevalence of concomitant left ventricu...
a 47-year-old man presented as a dyspnea and fatigue. a transthoracic echocardi-ography (tte) performed to assess valvar heart disease and left ventricular (lv) function showed a large hydatid cysts in the inter ventricular septum bulging to posterior of heart and compressing its overlying muscle as whitish round mass. the patient underwent elective surgery by evacuation of septal hydatid cysts...
Abstract Background: Pulmonary vascular resistance (PVR) index is an important hemodynamic variable in determining the severity of cardiopulmonary diseases. This study was done to define the relationship of echocardiographic parameters of ventricular function with PVR. Methods: Mean PVR of 40 patients with cardiac disease was compared with the left ventricle diastolic function indices (LVEF...
Introduction: Cardiovascular abnormalities have been reported in liver cirrhosis (LC). In these patients, cardiac symptoms and physical signs occur as the liver functions worsen. Cirrhosis is associated with hyper dynamic circulation and beta-adrenergic system changes responsible for the cardiovascular abnormalities. The purpose of the present study was to explore the echocardiographic findi...
Mitochondria play an important role in energy production for the cell. The proper function of a myocardial cell largely depends on the functional capacity of the mitochondria. Therefore it is necessary to establish a novel and reliable method for a non-invasive assessment of mitochondrial function and metabolism in humans. Although originally designed for evaluating myocardial perfusion, 99mTc...
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