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《Chinese Journal of Medical Imaging Technology》 2005-01
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Left anterior descending distal flow pattern and left ventricular function after primary coronary stenting in acute myocardial infarction

FENG Jie li, LI Zhao ping, FENG Xin heng, GAO Wei, MAO Jie ming *(Department of Cardiology, Peking University Third Hospital, Beijing 100083, China)  
Objective To evaluate the relation between left anterior descending (LAD) distal flow pattern and left ventricular function after primary coronary intervention (PCI) in anterior acute myocardial infarction (AMI) with transthoracic Doppler echocardiography (TTDE). Methods All 32 patients with anterior wall AMI underwent TTDE to record the left anterior descending coronary artery distal flow spectrum, wall motion score index (WMSI) and left ventricular ejection fraction (LVEF) at 3 days after successfully PCI. Results WMSI and myocardial enzyme were higher in the group of diastolic deceleration time (DDT) ≤600 ms (Group A) than that in the group of DDT600 ms (Group B). The group with early systolic reverse flow (ESRF) (Group a) had a higher WMSI and lower LVEF than those in the group without ESRF (Group b). Conclusion Patients with shorter DDT and ESRF had poor left ventricular systolic function. By analysis of left anterior descending (LAD) distal flow pattern with TTDE, ESRF was better than DDT in predicting the reduction of left ventricular systolic function in the patients with AMI.
【CateGory Index】: R542.22
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