Ultrasonographic characteristics of AVF by means of two-dimensional ultrasonography, color Doppler sonography and B-flow sonography were analyzed retrospectively.

• 结果9例患者超声对瘘口均正确诊断,表现为瘘口处高速湍流、瘘口近端动脉血流为低阻型、远端为高阻型、静脉内血流动脉化;