Conclusion Mitral annular diastolic and systolic velocities parameters measured by DTI can quantitatively be used in assessment of left ventricular function in CAD.

• 结 论 DTI技术检测二尖瓣环舒张期及收缩期运动速度参数可用于定量无创评价冠心病患者的左心室功能，较传统超声心动图测量左心室的功能更简便、更可靠、更准确。