目的：获得短期静脉注射左西孟旦或多巴酚丁胺对长期生存率的影响的数据。
Objective To assess the effect of a short-term intravenous infusion of levosimendan or dobutamine on long-term survival.
多巴酚丁胺负荷可提高超声心动图对糖尿病患者早期左心功能障碍的检出率。
Meantime, dobutamine stress test increases the detection rate of the early left ventricular dysfunction in diabetic patients.
目的评价多巴酚丁胺负荷试验（DST）中冠心病（CAD）病人左室容积（LVV）的变化及临床意义。
Objective To evaluate the alteration and clinical significance of left ventricular volume (LVV) in patients with coronary artery disease (CAD) during dobutamine stress testing (DST).
应用推荐