Objective To observe the efficacy of intra-aortic balloon pump( IABP) in the patients with acute myocardial infarction( AMI) complicated with cardiogenic shock. Methods 32 patients with AMI complicated with cardiogenic shock were separated into 2 groups,18 patients receiving IABP support treatment and 14 patients not. Two groups of the two weeks heart end events and mean arterial pressure,intraaortic diastolic blood pressure,cardiac index were observe. Results Comparing with that of patients before treatmen...