نتایج جستجو برای: no reflow
تعداد نتایج: 3300079 فیلتر نتایج به سال:
This study determined the related factors of no-reflow phenomenon in patients with acute ST-segment elevation myocardial infarction (STEMI) after direct percutaneous coronary intervention (PCI), and evaluated related factor scores in predicting the occurrence of no-reflow phenomenon and drug treatments. A total of 203 patients with acute STEMI receiving PCI who were admitted to the Department o...
OBJECTIVES The aim of this study was to understand the impact of attenuated plaque on distal embolization during stent implantation in patients with acute myocardial infarction (AMI). BACKGROUND Attenuated plaques identified by grayscale intravascular ultrasound (IVUS) might predict transient deterioration in coronary flow and/or no-reflow during percutaneous coronary intervention (PCI). ME...
BACKGROUND We investigated clinical and procedural factors associated with the no-reflow phenomenon following percutaneous coronary intervention (PCI) of the saphenous-vein grafts (SVG). METHODS A cross-sectional study was done on patients who had undergone PCI of the SVG. Patients' medical documents were reviewed for demographic, clinical, laboratory, and procedural data. Slow/no-reflow was ...
The objective of this study was to compare heart-specific fatty acid binding protein (hFABP) and high-sensitivity troponin I (hsTnI) via serial measurements to identify early time points to accurately quantify infarct size and no-reflow in a preclinical swine model of ST-elevated myocardial infarction (STEMI). Myocardial necrosis, usually confirmed by hsTnI or TnT, takes several hours of ischem...
Thromb Haemost 2005; 94: 693–4 Coronary no-reflow is a rare but potentially devastating complication that can occur during percutaneous coronary interventions (PCI). It is defined as the lack of passage of contrast dye into the microvasculature despite relief of the original obstruction in the epicardial vessel and is an angiographic marker of impaired myocardial perfusion at the tissue level (...
AIMS We used virtual histology-intravascular ultrasound (VH-IVUS) to evaluate the relation between coronary plaque characteristics and no-reflow in acute coronary syndrome (ACS) patients. METHODS AND RESULTS A total of 190 consecutive ACS patients were imaged using VH-IVUS and analysed retrospectively. Angiographic no-reflow was defined as TIMI flow grade 0, 1, and 2 after stenting. Virtual h...
Recently, percutaneous coronary intervention has been the treatment of choice in most acute myocardial infarction cases. Although the results of percutaneous coronary interventions have ben good, the no-reflow phenomenon and distal embolization of intracoronary thrombus are still major problems even after successful interventions. In this article, we will briefly review the deleterious effects ...
AIMS Early statin treatment has beneficial effects on prognosis after acute coronary syndrome. The no-reflow phenomenon determines the prognosis after acute myocardial infarction. We investigated the effects of statin treatment before admission on the development of the no-reflow after infarction. METHODS AND RESULTS We performed intracoronary myocardial contrast echocardiography in 293 conse...
The no reflow phenomenon can happen during elective or primary percutaneous coronary intervention. This phenomenon is thought to be a complex process involving multiple factors that eventually lead to microvascular obstruction and endothelial disruption. Key pathogenic components include distal atherothrombotic embolization, ischemic injury, reperfusion injury, and susceptibility of coronary mi...
UNLABELLED Simvastatin can prevent cardiac remodelling after myocardial infarction, though the exact mechanisms are uncertain. Myocardial no-reflow is associated with progressive cardiac remodelling. However, it remains unknown whether post-infarction treatment with simvastatin can also reduce myocardial no-reflow for which suppression of adenosine triphosphate-sensitive K+ (K(ATP)) channel ope...
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