Background and objectiveBudd-Chiari syndrome(BCS) refers to post-hepatic portal hypertension and/or inferior vena cava (IVC) hypertension caused by obstruction of blood flow in outlet of hepatic veins(HV) and/or post-hepatic inferior vena cava.

• 背景和目的:布-加综合征(Budd-Chiari syndrome,BCS)是指肝静脉(hepatic vein,HV)或/和肝段下腔静脉(inferior vena cava,IVC)部分或完全梗阻性肝静脉-下腔静脉血液回流障碍,导致淤血性门静脉高压症或/和下腔静脉高压症两大综合征。