Prognostic implication of ST‐segment resolution following primary percutaneous transluminal coronary angioplasty for ST‐elevation acute myocardial infarction
Background : ST‐segment changes have been shown to correlate with myocardial tissue perfusion. Complete ST‐segment resolution after thrombolysis in acute myocardial infarction is associated with lower mortality and better left ventricular function. Primary percutaneous transluminal coronary angioplasty (PTCA) for acute myocardial infarction restores better epicardial coronary flow to the infarct‐related artery than thrombolysis. However, ST changes may persist and flow can remain poor despite a patent vessel.
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