Methods:66 patients with AMIwere underwent PCI with the GuardWire PlusTM distal protection device (GW group) or a conventional guidewire (NGWgroup) from September,2004 to May,2006.The GW group included 34 patients and the NGW group included 32 patients.

• 方法:自2004年9月至2006年5月共72例急性心肌梗死接受急诊PCI治疗的患者随机分为远端保护组(GW组)和非远端保护组(NGW组),其中GW组38例,NGW组34例。