نتایج جستجو برای: cardiac function
تعداد نتایج: 1439060 فیلتر نتایج به سال:
Background: Patients undergoing cardiac surgery are at increased risk of bleeding due to multifactorial coagulopathies. In the present study, we aimed at investigating the changes in platelet count and function during and after surgery as well as determining the association of the platelet dysfunction with bleeding and transfusion requirements in these patients. Methods: A total o...
giant left atria are defined as those measuring larger than 8 cm and are typically found in patients who have rheumatic mitral valve disease with severe regurgitation. enlargement of the left atrium may create compression of the surrounding structures such as the esophagus, pulmonary veins, respiratory tract, lung, inferior vena cava, recurrent laryngeal nerve, and thoracic vertebrae and lead t...
................................................................................................... 7 LIST OF ORIGINAL ARTICLES .................................................................. 9 ABBREVIATIONS ......................................................................................... 10 INTRODUCTION ...................................................................................
Disorders of the Pericardium Pericardial Effusion Pericarditis Acute Pericarditis Chronic Pericarditis With Effusion Constrictive Pericarditis Coronary Heart Disease Coronary Circulation Pathogenesis of Coronary Heart Disease Chronic Ischemic Heart Disease Stable Angina Variant Angina Silent Myocardial Ischemia Acute Coronary Syndromes Unstable Angina/Non–ST-Segment Elevation Myocardial Infarct...
abstract background iron overload is the main transfusion related side effects in patients with transfusion dependent hemoglobinopathies. severe iron deposition in tissues leads to organ dysfunction. many organs can be affected such as heart, liver, and endocrine organs. cardiac failure and liver fibrosis are the consequent of iron overload in transfusion dependent hemoglobinopathy. magnetic re...
REGULAR HEAVY ETHANOL CONSUMPTION has been associated with a type of nonischemic dilated cardiomyopathy termed “alcoholic cardiomyopathy” (ACM), which is clinically expressed as an impairment of left ventricular function (nonsymptomatic stage) and occasionally as overt heart failure (symptomatic stage) (19). ACM is a specific heart muscle disease diagnosed primarily on the basis of a long-stand...
Sympathetic stimulation has become a central tenet in our understanding of how cardiac contractility is dynamically altered to accommodate the changing demands of the organism. The mechanisms by which acute and chronic sympathetic stimulation of the heart modulates cardiac output remain incompletely understood, however. Beyond the increase in heart rate driven by sympathetic stimulation of the ...
We studied 10 obese volunteers, mean age 36.5 +/- 10.3 years, who weighed 123.56 +/- 28.7 g and were 69.96 +/- 22.5 kg overweight. The subjects did not have diabetes, arterial hypertension or signs of cardiac and respiratory failure or disease and all underwent right- and left-heart catheterization. cardiac output and stroke volume were high, according to increased oxygen consumption and to the...
The adenosine diphosphate (ADP)-adenosine triphosphate (ATP) carrier of the inner mitochondrial membrane is identified as an autoantigen in myocarditis and dilated cardiomyopathy. Sera of patients with these diseases contain autoantibodies to the ADP-ATP carrier capable of inhibiting nucleotide transport in vitro. Recently, an antibody-related infringement of energy metabolism was shown in inta...
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 findings...
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