نتایج جستجو برای: myocardial revascularization
تعداد نتایج: 167916 فیلتر نتایج به سال:
Objective: Patients with end stage ischemic dilated cardiomyopathy (IsDCM) exhibit extensive remodeling of the left ventricle, and significant mitral tricuspid regurgitation. We investigated if implantation artificial valve preservation native could be used as a method combined annuloplasty complete myocardial revascularization in IsDCM.
BACKGROUND The impact of percutaneous coronary intervention (PCI) on chronic total occlusion in patients with well-developed collaterals is not clear. METHODS AND RESULTS A total of 640 chronic total occlusion patients with collateral flow grade ≥2 were divided into 2 groups; chronic total occlusion patients either treated with PCI (the PCI group; n=305) or optimal medical therapy (the optima...
BACKGROUND The relationship between the amount of inducible ischemia present on stress myocardial perfusion single photon emission computed tomography (myocardial perfusion stress [MPS]) and the presence of a short-term survival benefit with early revascularization versus medical therapy is not clearly defined. METHODS AND RESULTS A total of 10 627 consecutive patients who underwent exercise ...
AIMS Transmyocardial laser revascularization is a treatment for patients with severe angina pectoris not eligible for conventional revascularization. The effects on myocardial function and reversible ischaemia have not been clarified. METHODS AND RESULTS One hundred patients with refractory angina not eligible for conventional revascularization were randomized 1:1 to receive continued optimal...
PURPOSE To assess the effects of socioeconomic status on mortality in patients with acute myocardial infarction. MATERIAL AND METHODS We studied a retrospective cohort of 5622 patients who presented to a hospital emergency department with an initial episode of acute myocardial infarction between April 1998 and March 2002 in the Province of Alberta, Canada. Our main outcome measure was 1-year ...
BACKGROUND Vein graft failure (VGF) is common after coronary artery bypass graft surgery, but its relationship with long-term clinical outcomes is unknown. In this retrospective analysis, we examined the relationship between VGF, assessed by coronary angiography 12 to 18 months after coronary artery bypass graft surgery, and subsequent clinical outcomes. METHODS AND RESULTS Using the Project ...
OBJECTIVES We sought to compare patient-oriented outcomes related to target vessel or nontarget vessel events for sirolimus-eluting stents (SES) versus bare-metal stents. BACKGROUND SES significantly reduce restenosis but the influence of reduced restenosis on overall patient-oriented outcome has not been reported. METHODS The study population included 1,057 patients randomized in the SIRIU...
BACKGROUND QT dispersion (QTd), which is a measure of inhomogeneity of myocardial repolarization, increases following impaired myocardial perfusion. Its prolongation may provide a suitable substrate for life-threatening ventricular arrhythmias. We investigated the changes in QTd and heart rate variability (HRV) parameters after successful coronary artery revascularization in a patient with chro...
BACKGROUND Ultrasonographic assessments of intima-media thickness and plaques in the carotid artery are widely used as surrogate markers for coronary atherosclerosis, but prospective evaluations are scarce and appear to be lacking in patients with coronary artery disease. Ultrasonographic evaluations of femoral vascular changes have not been studied prospectively. METHODS AND RESULTS In the A...
Background—The Bypass Angioplasty Revascularization Investigation 2 Diabetes (BARI 2D) trial assigned patients with type 2 diabetes mellitus to prompt coronary revascularization plus intensive medical therapy versus intensive medical therapy alone and reported no significant difference in mortality. Among patients selected for coronary artery bypass graft surgery, prompt coronary revascularizat...
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