Purpose To evaluate the utility of color doppler ultrasonography (CDU) in the guidance of percutaneous transluminal angioplasty (PTA) for treatment of Budd Chiari syndrome (BCS).

• 目的探讨彩色多普勒超声（CDU）引导经皮气囊导管成形术（PTA）治疗Budd?Chiari综合征（BCS）的可行性及临床实用价值。