冠状动脉侧支血管出现与发展影响因素的探讨

Study for the unfluencing factors of coronary artery

目的:探讨冠状动脉(冠脉)侧支血管出现与发展的影响因素.方法:经冠脉造影观察180例冠心病患者的侧支血管出现情况,对比其发展程度与心肌缺血病程、冠脉闭塞部位、冠脉病变程度及高血压病、糖尿病等合并症的关系.结果:侧支血管仅见于冠脉次全闭塞或完全闭塞的冠脉,心肌缺血病程长、右冠脉闭塞、无高血压病、糖尿病等合并症者侧支血管发展良好(P<0.01),闭塞或次全闭塞冠脉外血管的病变程度则与侧支血管的发展关系不大(P>0.05).结论:侧支血管出现提示有严重冠脉病变,慢性长期的心肌缺血可促进侧支血管的发展,高血压病、糖尿病等合并症是侧支血管发展的不利因素.

Object: To explore the influencing factors of coronary artery collateral vessels on appearance and development . Methods: Observe the appearance of collateral vessels in 180 patients with coronary heart disease through coronary ar-teriograms,compare their relations between development and history of myocardiol ischemia,position of cornary artery occlusion, degree of coronary artery disease, hypertention and diabetes mellitus.Results: Collateral vessels were visulized only in coronary artery total occlusion or nearly total occlusion, the development of collateral vessels were better in cases with a long history of myocardiol ischemia, right coronary artery occlusion or without hypertention and diabetes mellitus(P< 0.01) .No clear relationship was found between the development of collateral vessels and the degree of coronary artery disease outside total or nearly total occlusion(P> 0.05) .Conclusion: The appearance of collateral vessels suggested that there were serious coroary artery diseases. Chronic and long history of myocardiol ischemia can promote the development of collateral vessels . Hypertention and diabetes mellitus are disadvantageous to the development of collateral vessels.