نتایج جستجو برای: myocardial infarction size
تعداد نتایج: 738645 فیلتر نتایج به سال:
Rhododendron dauricum L. is an ancient Chinese traditional herb. The pharmacological effects of R. dauricum extract have been shown in chronic tracheitis. The aim of this study was to investigate the cardiovascular effects of Rhododendron dauricum L. flavonoids (RF) on rats and its mechanisms. This study was performed in isolated vascular rings and a rat model of myocardial infarction and isola...
Myocardial infarction, commonly known as heart attack, is caused by reduced blood supply and damages the heart muscle because of a lack of oxygen. Myocardial infarction initiates a cascade of biochemical and mechanical events. In the early stages, cardiomyocytes death, wall thinning, collagen degradation, and ventricular dilation are the immediate consequences of myocardial infarction. In the l...
Although vasodilator therapy has been shown to improve functional capacity in patients with congestive heart failure, there is no evidence that such therapy can prolong survival. Coronary artery ligation in the rat was used to produce a wide range of myocardial infarct sizes and a resultant spectrum of left ventricular dysfunction. To determine the relationship between size of myocardial infarc...
The prototype radionuclide imaging technique for detecting acute myocardial infarction is technetium-99m stannous pyrophosphate ( mTc PPi) myocardial scintigraphy. Today, this imaging assessment is commonly made with single photon emission cornputed tomography (SPEGT) that allows the detection of infarcts as small as 1 g, localization of the site of infarction, and accurate measurements of the ...
Stent thrombosis as a complication of percutaneous coronary intervention frequently is associated with deadly events such as myocardial infarction and sudden death. Definitions of stent thrombosis have not been in a uniform manner in different clinical studies. Two episodes of acute ST elevation myocardial infarction nearly two years after implanting a drug – eluting stent in a 58-year-...
Background and objectives: Clinical manifestations of coronary artery disease such as myocardial infarction generally have onset from middle age onwards. However, studies indicate that the atherosclerotic process begins to develop during childhood. The purpose of this study was to evaluate the frequency of risk factors for atherosclerosis in children with family history of premature myocardial ...
According to recent researches about the importance of prognostic value of QT dispersion (QTD) in patients with acute myocardial infarction , the present study was performed to assess the relationship between QT dispersion increment and incidence of ventricular fibrillation in patients with acute myocardial infarction. &nb...
myocardial ischemia (mi) resulting in infarction is an important cause of mortality and morbidity worldwide. acute ischaemia rapidly impairs myocardial contractile function. myocardial dysfunction persisting for several hours after transient non-lethal ischaemia, eventually resulting in full functional recovery is termed as myocardial stunning. hibernation is now thought to be the consequence o...
rhododendron dauricum l. is an ancient chinese traditional herb. the pharmacological effects of r. dauricum extract have been shown in chronic tracheitis. the aim of this study was to investigate the cardiovascular effects of rhododendron dauricum l. flavonoids (rf) on rats and its mechanisms. this study was performed in isolated vascular rings and a rat model of myocardial infarction and isola...
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