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。

Objective: To study the characteristics of TCD in intracranial artery stenoses and screen the valuable diagnosis indexes.

目的：探讨颅内动脉狭窄经颅多普勒（TCD）检测特点，筛选对于诊断有价值的检测指标。

Objectives: To evaluate the safety and efficacy of stent placement in patients with hypertension caused by renal artery stenoses.

目的：评估支架置入治疗肾动脉狭窄的安全性和疗效。