Hagl S, Meisner H, Heimisch W, Sebening F
Ann Thorac Surg. 1978 Dec;26(6):548-58. doi: 10.1016/s0003-4975(10)62941-4.
The acute effects of myocardial revascularization on overall left ventricular performance and on myocardial segmental wall motion were assessed intraoperatively in 22 patients who had unstable (11 patients) or stable angina pectoris (11 patients). Segmental contraction patterns were evaluated using an ultrasonic transit-time method. In 9 patients with unstable angina pectoris, notable improvement in segmental wall motion was observed as the short-term response to coronary bypass grafting. Hypokinetic patterns were rendered normal after revascularization. Despite marked changes in segmental myocardial function, overall left ventricular performance was not altered notably. In contrast, reperfusion did not lead to acute effects on either segmental wall motion or total left ventricular function in patients with stable angina pectoris. The results indicate that aortocoronary bypass grafting may improve segmental wall motion in patients with unstable angina.
在22例患有不稳定型心绞痛（11例）或稳定型心绞痛（11例）的患者中，术中评估了心肌血运重建对左心室整体功能和心肌节段壁运动的急性影响。使用超声渡越时间法评估节段性收缩模式。在9例不稳定型心绞痛患者中，观察到冠状动脉搭桥术后节段壁运动有明显改善，这是短期反应。血运重建后运动减弱模式恢复正常。尽管节段性心肌功能有显著变化，但左心室整体功能并未明显改变。相比之下，稳定型心绞痛患者的再灌注对节段壁运动或左心室总功能均未产生急性影响。结果表明，主动脉冠状动脉搭桥术可能改善不稳定型心绞痛患者的节段壁运动。
