Objective:To investigate the safety and efficacy of anticoagulation with low molecular weigh heparin (LMWH) after coronary stent.

• 目的:观察经皮腔内冠状动脉成形术(PTCA)+支架置入术后应用低分子肝素抗凝与普通肝素相比的安全性及有效性。