The level of H-FABP also increased gradually together with the severity of complications (acute mechanical complications (79.95±53.6 ng / mL), recurrent myocardial infarction (84.61±25.6 ng / mL), arrhythmias (161.09±31.3 ng / mL), heart failure (143.11±25.4 ng / mL), cardiogenic shock (175.63±39.4 ng / mL), sudden death (180.77±68.4 ng/mL).