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目的在冠状动脉造影(CAG)的老年患者中观察并发肾动脉狭窄(RAS)的发生率,并分析并发RAS的影响因素。方法CAG同时行肾动脉造影(RAG)患者277例,分析动脉粥样硬化的危险因素与RAS发生的关系。结果经CAG证实冠心病患者212例,RAS发生率19%,CAG正常患者RAS发生率8%,冠脉多支病变组中RAS发生率明显高于单支病变组及冠状动脉正常组(P<0.01),多因素分析,独立预测因子为冠状动脉病变程度(OR=1.89,95%可信区间:1.35-2.65,P<0.01)。结论冠心病患者有较高RAS发生率,发现冠状动脉多支病变患者应常规行RAG检查。
Objective To observe the incidence of renal artery stenosis (RAS) in elderly patients with coronary artery angiography (CAG) and to analyze the influencing factors of concurrent RAS. Methods 277 patients with renal artery angiography (RAG) underwent simultaneous coronary angiography (CAG) and analyzed the relationship between the risk factors of atherosclerosis and the occurrence of RAS. Results The CAG confirmed 212 patients with coronary heart disease, RAS incidence of 19%, CAG normal RAS incidence rate of 8%, coronary artery disease group RAS was significantly higher than the single vessel disease group and coronary artery normal group (P < 0.01). Multivariate analysis and independent predictors were the degree of coronary artery disease (OR = 1.89, 95% confidence interval: 1.35-2.65, P <0.01). Conclusion The incidence of RAS in patients with coronary heart disease is higher, and RAG examination should be routinely performed in patients with coronary artery disease.