论文部分内容阅读
病理学与血管造影研究证实,冠状动脉严重阻塞如伴有代偿的侧枝循环,常可不伴有穿壁性心肌梗塞或疤痕。本文对冠状动脉有完全阻塞的病例进行休息和运动时的左室收缩功能测定,以判断冠状动脉侧枝循环的足够程度。方法:87例三支冠状动脉主支中至少有一支近端完全阻塞的病例,阻塞动脉的远端及其分支清晰而无中断,血管平均直径在1.0毫米以上者列为侧枝循环良好(35例),远段血管中断和/或平均口径在1.0毫米以下者则列为侧枝循环不良(52例)。从双面心室造影测得在室喷血比数、左室短轴缩短率估计室壁活动,比较侧枝循环良好和侧枝循环不良两组的在室收缩功能。
Pathology and angiography studies have confirmed that severe obstruction of the coronary artery, such as compensatory collateral circulation, often without transmyocardial infarction or scarring. In this paper, patients with complete obstruction of the coronary artery during resting and exercise left ventricular systolic function determination to determine the adequacy of coronary collateral circulation. Methods: There were at least one case of complete proximal occlusion in 87 cases of the three branches of the coronary artery. The distal end of the obstructed artery and its branches were clear and without interruption. The average diameter of the vessels was 1.0 mm, which was collateral circulation well (35 cases ), Distal vascular disruption, and / or mean diameter below 1.0 mm were classified as poor collateral circulation (n = 52). The ratio of ventricular ejection fraction measured by double-sided ventriculography, left ventricular fractional shortening estimation of wall activity, compared collateral circulation and collateral circulation poor systolic function in both groups.