Objective To observe the effect of intraaortic balloon pump (IABP) on tolerance of percutaneous coronary intervention (PCI), life signs of patients with acute myocardial infarction (AMI) during emergency PCI performed.

• 目的观察急诊经皮冠状动脉介入治疗(PCI)时,主动脉球囊反搏装置(IABP)的应用对急性心肌梗死(AMI)患者手术耐受性、生命指征的影响。