Zir L M, Dinsmore R, Vexeridis M, Singh J B, Harthorne J W, Daggett W M
Am J Cardiol. 1979 Oct;44(4):601-6. doi: 10.1016/0002-9149(79)90275-3.
Left ventricular contraction was evaluated with angiography in 51 patients 1 to 2 years after coronary arterial bypass surgery. The left ventricle was classified into five segments, and segmental ventricular wall motion was analyzed with subjective and objective methods. With subjective analysis, 25 percent of asynergic segments showed improvement, 72 percent no change and 3 percent deterioration in contraction. There was a 5 percent incidence rate of new wall motion abnormalities in segments that were judged normal from the preoperative ventriculogram. Objective analysis revealed significant improvement in contraction of asynergic segments in each of the five left ventricular segments analyzed. Thus, 1 to 2 years after coronary bypass surgery, there was a significant reduction in left ventricular segmental wall motion abnormalities, and the incidence of deterioration in contraction was small.
在冠状动脉搭桥手术后1至2年，对51例患者进行血管造影评估左心室收缩功能。左心室分为五个节段，采用主观和客观方法分析节段性室壁运动。主观分析显示，25%的运动不协调节段收缩功能有改善，72%无变化，3%收缩功能恶化。术前心室造影判断为正常的节段出现新的室壁运动异常的发生率为5%。客观分析显示，在所分析的五个左心室节段中，每个节段运动不协调节段的收缩功能均有显著改善。因此，冠状动脉搭桥手术后1至2年，左心室节段性室壁运动异常显著减少，收缩功能恶化的发生率较低。
