نتایج جستجو برای: timi frame count
تعداد نتایج: 251937 فیلتر نتایج به سال:
Objectives. We compared local delivery of intracoronary eptifibatide via perfusion catheter to thrombus aspiration in primary PCI. Background. Perfusion catheter increases local concentration of the drugs at the culprit site and prolongs their residency time. Methods. 75 patients with acute STEMI were randomized to three groups: 25 received local intracoronary eptifibatide and verapamil via per...
introduction: no-reflow phenomenon in coronary vessels, manifested in some patients with reperfused acute myocardial infarction (mi), is associated with poor clinical and functional outcomes. therefore, evaluation of predisposing risk factors can be helpful in risk assessment and identification of patients at higher risk. herein, we aimed to study the predictive factors for the development of n...
OBJECTIVE Earlier studies have reported that a decrease in exercise capacity might indicate endothelial dysfunction. However, the effects of improvement of endothelial functions on exercise capacity have not been evaluated. The aim of the present study is to investigate the effects of nebivolol on flow-mediated dilatation (FMD), and on the exercise capacities of the patients with slow coronary ...
BACKGROUND Endothelial dysfunction plays a key role in the aetiopathogenesis of slow coronary flow (SCF) even if there is no obstructive epicardial lesion. Reduced plasma levels of endothelial nitric oxide synthase (eNOS) are an important indicator of endothelial dysfunction. We aimed to determine plasma levels of eNOS and their relationship with exercise in patients with SCF. METHODS Twenty-...
AIM The pathophysiology of slow coronary flow (SCF) involves atherosclerosis, small vessel dysfunction, platelet function disorders, and inflammation. It has been known that eosinophils also play a significant role in inflammation, vasoconstriction, thrombosis, and endothelial dysfunction. We propose to evaluate the relationship between eosinophilia and SCF. METHODS All patients who underwent...
BACKGROUND AND OBJECTIVES High dose rosuvastatin loading before percutaneous coronary interventions (PCI) reduces the myocardial damage and the incidence of adverse cardiac events in patients with stable angina and acute coronary syndrome. However, no studies are present yet about rosuvastatin loading in patients with ST-segment elevation myocardial infarction (STEMI) in a primary PCI setting. ...
OBJECTIVES We sought to evaluate and compare recently suggested parameters of reperfusion after angioplasty in acute myocardial infarction (AMI) for risk stratification during long-term follow-up. BACKGROUND Abnormal myocardial perfusion has a detrimental impact on survival. Several parameters of reperfusion have been evaluated in controlled study populations for risk stratification. METHOD...
background: due to the positive relation between platelet size and platelet reactivity, a high value of the mean platelet volume (mpv) is an independent risk factor to predict acute myocardial infarction (ami) and its adverse outcome. few data are available to determinate the prognostic value of mpv in st-elevation myocardial infarction (stemi) patients treated with percutaneous coronary interv...
BACKGROUND Glycoprotein IIb/IIIa inhibitors (GPIs) have been regarded as an adjuvant regimen to deal with no-reflow. However, whether intralesional (IL) administration of GPIs improves myocardial reperfusion without increasing bleeding in patients with acute coronary syndrome (ACS) compared with intracoronary (IC) administration has not been well addressed. Our meta-analysis aimed to evaluate t...
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