Objective To evaluate the coronary artery response to percutaneous transluminal coronary angioplasty (PTCA) and intracoronary stenting by intracoronary ultrasound(ICUS).

• 目的应用冠脉内超声(ICUS)评价冠心病患者经皮冠状动脉球囊成形术(PTCA)及冠脉内支架植入术的疗效。