Abstract 16356: Impaired Two-Dimensional Global Longitudinal Strain of Left Ventricle Predicts Long-Term Adverse Clinical Outcomes in Patients With Acute Myocardial Infarction

Background: Global longitudinal strain of left ventricle (GLSLV) is an objective parameter of myocardial function. We want to evaluate the prognostic value of GLSLV in acute myocardial infarction (AMI) patients. Methods: From July 2011 to April 2013, all consecutive patients with AMI were included. All echocardiographic studies were done with Vivid 7 or E9 (GE medical systems) and longitudinal strains were calculated with 2-dimensional speckle tracking with EchoPAC-PC software (GE medical systems). GLSLV was calculated from the mean value of longitudinal strain of apical 4 chamber, apical 3 chamber and apical long axis views. Results: Total 508 patients (364 males, mean 64±13 years old) were included. Of them, 223 patients (44%) were diagnosed as ST-segment elevation myocardial infarction. GLSLV had good correlations with left ventricular ejection fraction (LVEF, r=-0.79, p<0.01), regional wall motion score index (RWMSI, r=0.71, p<0.01), and log transformation of B-natriuretic peptide level (LogBNP, r=0.4...