نتایج جستجو برای: infarction size
تعداد نتایج: 677038 فیلتر نتایج به سال:
BACKGROUND We previously demonstrated that ischemic postconditioning decreases creatine kinase release, a surrogate marker for infarct size, in patients with acute myocardial infarction. Our objective was to determine whether ischemic postconditioning could afford (1) a persistent infarct size limitation and (2) an improved recovery of myocardial contractile function several months after infarc...
Background and purpose: Early treatment of thrombolysis can reduce mortality in patients with myocardial infarction, so, this systematic review and meta-analysis aimed to compare the effect of pre-hospital thrombolysis and in-hospital thrombolysis on short-term mortality in patients with myocardial infarction. Materials and methods: Systematic search was conducted in electronic databases inclu...
Preliminary clinical and laboratory observations suggest that nifedipine might prevent progression of threatened myocardial infarction by reversing coronary spasm or might limit necrosis during the course of acute myocardial infarction. We screened 3143 patients with ischemic pain of greater than 45 min duration and randomly assigned 105 eligible patients with threatened myocardial infarction a...
Effect of transplantation of bone marrow stem cells on myocardial infarction size in a rabbit model.
BACKGROUND Intravenous transplantation has been regarded as a most safe method in stem cell therapies. There is evidence showing the homing of bone marrow stem cells (BMSCs) into the injured sites, and thus these cells can be used in the treatment of acute myocardial infarction (MI). This study aimed to investigate the effect of intravenous and epicardial transplantion of BMSCs on myocardial in...
It has been shown that the size of myocardial infarction in rats created by coronary ligation technique is not uniform, varying from 4% to 65%. We hypothesized that infarct size variability induced by coronary artery ligation might be caused by coronary artery branching pattern. Coronary artery angiography was performed in 50 normal Lewis rats and in chronic myocardial infarction models in whic...
Background: Microvascular obstruction (MO) is a pathophysiologic complication of acute myocardial infarction that portends poor prognosis; however, it transient and disappears with infarct healing. Much remains unknown regarding its pathophysiology whether there are predictors MO could function as stable surrogates. We tested for clinical cardiovascular magnetic resonance to gain insight into f...
Effects of Doxycycline on Cx43 Distribution and Cardiac Arrhythmia Susceptibility of Rats after Myocardial Infarction Abstract: This study aimed to observe the effects of doxycycline (DOX) on gap junction remodeling after MI and the susceptibility of rats to cardiac arrhythmia. The proximal left anterior descending coronary artery of rats was ligated to establish a myocardial infarction animal...
AIM To determine distribution, size, and phenotype of low density lipoprotein (LDL) subclasses and examine the influence of plasma lipid concentrations on lipoprotein particle size in both healthy population and patients with myocardial infarction. METHOD Nondenaturing gradient (3-31%) gel electrophoresis for lipoprotein separation was used to determine the distribution and size of LDL subcla...
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