Conclusion As a non-invasive method, excellent correlation was observed between MRA and DSA in the diagnosis of arterial stenosis, so MRA was a reliable method.

• 结论MRA是诊断下肢血管病变的一种可靠方法，在识别血管有无狭窄方面与DSA基本等同，但存在过度评估血管狭窄程度的缺陷。