冠状动脉慢性完全阻塞性病变的分布特征及其与侧支循环间的相关性分析

目的 研究冠状动脉慢性完全阻塞性病变的分布特征及其与侧支循环间的相关关系。方法 用SPSS统计软件分析113例冠状动脉旁路术患者的临床基线资料和冠状动脉造影资料。结果 慢性完全阻塞性病变6l例(7l处)，分布于：左主干l例(0．9％)；前降支近段17例(15．0％)、中段9例(8．0％)、远段3例(2．7％)；回旋支近段5例(4．4％)、中段6例(5．3％)、远段3例(2．7％)；右冠状动脉近段9例(8．0％)、中段l0例(8．8％)、远段8例(7．1％)。侧支循环72例(63．7％)，慢性完全阻塞性病变与侧支循环间的直线相关系数r=0．707(P=0．000)。结论 冠状动脉慢性完全阻塞性病变多见于前降支、右冠状动脉的近、中段，与侧支循环间有高度正相关性。

Location of Coronary Chronic Total Occlusion and Its Correlation with Coronary Collateral

Objective To study the location of coronary chronic total occlusion and the correlatin between coronary chronic total occlusion and coronary collateral. Methods SPSS was used to analyze the general clinical and coronary angiographic data of 113 patients with coronary bypass surgery performed. Results There were 61 patients with coronary chronic total occlusion. 71 sites of coronary chronic total occlusions were observed by coronary angiography, of which, one was located in left main coronary artery (0 9%), 17 in proximal left anterior descending artery (15 0%) , 9 in middle left anterior descending artery (8 0%), 3 in distal left anterior descending artery (2 7%), 5 in proximal left circumflex artery (4 4%), 6 in middle left circumflex artery (5 3%), 3 in distal left circumflex artery (2 7%), 9 in proximal right coronary artery (8 0% ), 10 in middle right coronary artery (8 8% ) and 8 in distal right coronary artery (7 1% ). There were 72 patients with coronary collateral. The coefficient of correlation between collateral and coronary chronic total occlusion was 0 707 (P=0 000 ).Conclusions Coronary chronic total occlusion is frequently located in proximal, middle left anterior descending artery and right coronary artery. There is significantly positive correlation between collateral and coronary chronic total occlusion.