Conclusion: RAS is a frequent findings in patients undergoing coronary angiography, especially in patients with severe coronary artery stenosis and risk factors for RAS.

• 结论：在接受冠造的患者中RAS发生率较高，尤其在冠脉严重狭窄，且具有RAS危险因素的患者中应常规行肾动脉造影。