Assessment of regional rotation by velocity vector imaging in canine with myocardial ischemia and acute myocardial infarction
速度向量成像技术评价犬心肌缺血与梗死状态下左心室节段性旋转特征

Objective To assess the regional rotation in canine with myocardial ischemia and acute myocardial infarction by velocity vector imaging(VVI). Methods Myocardial ischemia and infarction model were successfully made by partly and fully ligating the left anterior descending coronary artery (LAD) in twelve mongrel dogs. The ventricle rotation and strain were measured by VVI. Results The results revealed:The LAD part ligation:rotation decreased in ventricular septal before LAD ligation status in LAD part ligatio...