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目的探讨冠状动脉病变狭窄程度与踝臂指数(ABI)的关系。方法入选180例冠脉造影患者,术前收集患者基线资料,行ABI及冠状动脉造影检查,根据ABI值分为对照组(≥0.9)80例,观察组(<0.9)100例,统计分析两组冠脉病变程度的异同,并应用回归分析,观察冠状动脉病变程度与ABI的关系。结果观察组Gensini积分、三支病变及复杂的B2/C病变构成比例显著增高(P<0.05);多个心血管危险因子与ABI<0.9存在相关性,ABI<0.9是冠脉三支病变及B2/C型复杂病变的独立预测因子(OR值分别为3.620、4.011);多元逐步回归分析显示Gensini评分的主要影响因素为ABI和年龄。结论 ABI<0.9者冠脉病变程度较重,ABI可以作为预测复杂冠脉病变的指标。
Objective To investigate the relationship between coronary artery stenosis and ankle brachial index (ABI). Methods A total of 180 patients undergoing coronary angiography were enrolled. Preoperative baseline data were collected and ABI and coronary angiography were performed. According to ABI, 80 patients in control group (≥0.9) and 100 in observation group (<0.9) Group coronary artery disease similarities and differences, and the application of regression analysis to observe the degree of coronary artery disease and ABI. Results The proportions of Gensini score, three lesions and complex B2 / C lesions in observation group were significantly increased (P <0.05). There were correlations between multiple cardiovascular risk factors and ABI <0.9. ABI <0.9 was associated with three coronary lesions and B2 / C type of complex disease independent predictors (OR values were 3.620,4.011, respectively); multiple stepwise regression analysis showed that the main factors affecting the Gensini score ABI and age. Conclusion ABI <0.9 patients with severe coronary lesions, ABI can be used as an index to predict complex coronary lesions.