نتایج جستجو برای: heart ventricular
تعداد نتایج: 477573 فیلتر نتایج به سال:
the prevalence of anemia in elderly with systolic heart failure hospitalized in alborz hospital of karaj 2008 asgharzadeh haghighi s , zeighami mohammadi sh received: 25 april, 2010 accepted: 2march, 2010 abstract background & aims: anemia is prevalent co morbidity in heart failure that is an independent risk factor for adverse clinical outcomes in patients with congestive heart failure. the ai...
abstract introduction: doppler echocardiography is used to evaluate global myocardial performance. an index of myocardial performance (tei index) can be of great prognostic value in heart failure. this study was performed to assess the correlation between tei index (ti) and left ventricular end diastolic pressure (lvedp). methods: the study group consisted of 38 patients. each patient underwent...
Background & Objective : Heart failure is a clinical syndrome and increases in rate by aging. Because changes in ECG and electrolytes are variable, specific and sometimes independent to the disease with different methods to be diagnosed, in this study we tried to find a way to diagnose them. Materials & Methods: This is a retrospective descriptive-analytic study. Data was collected from dec...
background: recently, stem cells have been considered for the treatment of heart diseases, but no marked improvement has been recorded. this is the first study to examine the functional and histological effects of the transplantation of human amniotic mesenchymal stromal cells (hamscs) in rats with heart failure (hf). methods: this study was conducted in the years 2014 and 2015. 35 male wistar ...
Introduction: Chest X–Ray is one of the most common method of imaging. Cardio Thoracic Ratio ( CTR ) is one of the parameters of Chest X–Ray that is used for determining cardiac enlargement. Echocardiography as compared to Chest X–Ray is expensive and all centers dont have it, but it can determine heart size, valvular diseases, Ejection Fraction, Left Ventricular Hypertrophy (LVH), Pericardial...
Background: Cardiovascular problems including arterial hypertension, coronary artery diseases, congestive heart failure are prevalent among chronic hemodialyzed patients. Ultrafiltration of hemodialyzed patient's serum, which culminating in intravascular volume reduction, is frequently used during hemodialysis. One of the restrictions of the echocardiographic evaluation of the diastolic heart f...
OBJECTIVES The effects of increasing heart rate on left ventricular contraction and relaxation were examined in conscious dogs with tachycardia-induced heart failure under autonomically blocked conditions. BACKGROUND Previous studies using isolated myocardium have shown attenuated positive inotropic responses to stimulation frequency in heart failure. However, these responses have not been we...
introduction anabolic-androgenic steroids (aas), a synthetic derivate of testosterone, have become a popular drug among athletes and bodybuilders to enhance muscle mass and improve the athletic performance. many pathological effects such as hepatic and endocrine dysfunction, behavioural changes and cardiovascular complications have been reported. case report within these ast ones, we find an in...
objective(s) in addition to antihypertensive effects, amlodipine may exhibit cardiovascular protective effects in heart tissue. the aim of this study was to evaluate the effects of amlodipine and/or high cholesterol diet on blood, heart tissue concentration and mrna expression of endothelin-1 (et-1) in male new zealand white rabbits. materials and methods a total of 40 male new zealand rabbits ...
introduction: in patients who underwent surgery to repair tetralogy of fallot, right ventricular dilation from pulmonary regurgitation may be result in right ventricular failure, arrhythmias and cardiac arrest. hence, pulmonary valve replacement may be necessary to reduce right ventricular volume overload. the aim of present study was to assess the effects of pulmonary valve replacement on rig...
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