The DSA is still the golden standard for diagnoses of arterial stenoses.
其中DSA是动脉狭窄诊断的金标准。
Purpose: To evaluate the ultrasonographic diagnosis of arterial stenoses of the lower limb.
目的：评价超声对下肢动脉狭窄性疾病的诊断价值。
However, growing numbers of patients with diffuse stenoses are not amenable to PCI and CABG.
但是，针对弥漫性血管病变患者，上述两种治疗方法受到了很大的限制。
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