Methods:The results of color duplex ultrasonography(Duplex) and digital subtraction angiography(DSA) examination of 86 patients with essential hypertension complicated silent cerebral infarction were analyzed.

• 方法:对86例老年原发性高血压合并静止性脑梗死患者的数字减影血管造影(DSA)和彩色多普勒超声(Duplex)检查资料进行分析。