نتایج جستجو برای: myocardial viability
تعداد نتایج: 220939 فیلتر نتایج به سال:
AIMS Intracoronary administration of autologous bone marrow cells (BMCs) leads to a modest improvement in cardiac function, but the effect on myocardial viability is unknown. The aim of this randomized multicentre study was to evaluate the effect of BMC therapy on myocardial viability in patients with decreased left ventricular ejection fraction (LVEF) after acute myocardial infarction (AMI) an...
BACKGROUND Low-dose dobutamine stress echocardiography is increasingly used for identifying myocardial viability. AIM We explored whether dobutamine-induced strain (S) and strain rate (SR) can identify myocardial viability following fibrinolytic therapy for ST-segment-elevation myocardial infarction (STEMI), taking (99m)Tc-sestamibi scintigraphy as the "gold standard" for diagnosis. METHODS...
Information on myocardial viability can be useful to decide when coronary artery revascularization is indicated for patients with acute myocardial infarction (AMI) and left regional or global ventricular dysfunction. Difficulties in assessing viability arise because the same part of the ventricular wall can have a mixture of necrotic tissue and viable myocardium. Diagnostic markers of myocardia...
BACKGROUND Identifying the transmural extent of myocardial necrosis and the degree of myocardial viability in acute myocardial infarction (AMI) is important clinically. The aim of this study was to assess myocardial viability using two-dimensional speckle tracking imaging (2D-STI) in patients with AMI. METHODS 2D-STI was performed at initial presentation, three days, and six months after prim...
Coronary artery disease (CAD) is the most prevalent and single most common cause of morbidity and mortality [1] with the resulting left ventricular (LV) dysfunction an important complication. The distinction between viable and non-viable myocardium in patients with LV dysfunction is a clinically important issue among possible candidates for myocardial revascularization. Several available non-in...
Although assessing myocardial viability is a common cardiology practice, many physicians question the results of diagnostic methods. Nuclear medicine plays an important role in studies, but reports require interpretation clinical and pathophysiological context. this article was aimed at reviewing origin evolution viability. Here we present methods by emphasizing nuclear provide functional expla...
A number of important points concerning the application of viability assessment in clinical practice, need to be clarified as they are often source of confusion for practicing physicians. First, the patients who are being considered for myocardial viability assessment should have documented coronary artery disease, with myocardial dysfunction, and these patients should be candidates for myocard...
Objective: To evaluate whether the presence of viable myocardium, detected by low dose dobutamine echocardiography, limits the likelihood of left ventricular dilatation in patients with acute myocardial infarction. Patients: 107 patients were studied by low dose dobutamine echocardiography at (mean (SD)) 3 (1) days after acute myocardial infarction. Cross sectional echocardiography was repeated...
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