目的探讨重度二尖瓣反流患者手术前二维斑点追踪技术获得的左室纵向应变参数对术后经胸全自动左室三维射血分数(Heart Model EF)减低的预测价值。方法选取33例拟行二尖瓣反流手术患者及39例健康志愿者作为对照组,获取各组临床资料、二维及三维超声动态图像,分析左室心肌二维应变参数并计算左室Heart Model EF值,根据二尖瓣反流术后6个月的Heart Model EF值将二尖瓣反流患者分为
Primary percutaneous coronary intervention (PCI) has been the standard of care for patients with acuteST-elevation myocardial infarction (STEMI) within 12 hour