This study compared death and major adverse cardiac events (MACE)(re- infarction,heart failure,revascularization,cardiogenic shock) in 1 year between groups receiving and not receiving large dose meto- prolol.

• 观察发病1 a内两组死亡率和MACE事件(再发心肌梗死、心源性休克、需住院的心力衰竭、再血管化治疗)发生情况。