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应用超声心动图声学定量技术测定28例亚急性及陈旧性心肌梗塞患者的左房左室功能。结果显示：心肌梗塞总组、亚急性心肌梗塞组及陈旧性心肌梗塞组左室面积、左室容积及左房面积均显著大于正常对照组；左房、左室的面积、容积变化率、充盈率及排空率明显低于正常对照组；左室峰值充盈时间较正常对照组明显延长，左房峰值充盈时间与正常对照组相比无显著性差异。提示应用超声心动图声学定量技术可较好地反应心肌梗塞患者左房左室功能的变化。
The left atrial function was measured in 28 patients with subacute and old myocardial infarction by using echocardiography. The results showed that left ventricular area, left ventricular volume and left atrium area in the total myocardial infarction group, subacute myocardial infarction group and old myocardial infarction group were significantly greater than those in the normal control group; left atrium, left ventricular area, volume change rate, filling The rate and evacuation rate were significantly lower than the normal control group; the peak filling time of left ventricle was significantly longer than that of the normal control group, and there was no significant difference between the left atrium peak filling time and the normal control group. Prompt application of echocardiography acoustic quantitative technology can better reflect the changes of left atrial function in patients with myocardial infarction.