الفهرس Only 14 pages are availabe for public view
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Abstract
Non {u2013}ST - segment elevation acute coronary syndromes (NSTE - ACS) commonly cause regional and / or global impairment of myocardial systolic function. Additionally, patients with subtle left ventricular regional myocardial dysfunction may benefit from early revascularization, even if the global function is preserved. Myocardial strain by speckle tracking echocardiography (STE) enables evaluation of global and regional myocardial deformation. It has several advantages over tissue doppler imaging: being not angle - dependent and less susceptible to translational motion and tethering artifacts. It was previously demonstrated that post - systolic shortening (PSS) determined by STE predicts recovery of myocardial function after ST segment elevation myocardial infarction, as well as following revascularization in patients with NSTEMI. We sought to investigate the role of speckle tracking strain parameters assessed prior to diagnostic coronary angiography in prediction of the culprit vessel and the recovery of left ventricular global / regional systolic function in patients with NSTE - ACS following percutaneous revascularization