Conclusion Venacavaplasty may overcome hepatic outflow block in piggyback liver transplantation and this technique can reduce both anhepatic phase and venacava block complications, and minimize the hemodynamic interference with the recipients.

• 结论腔静脉成形术可防止背驮式肝移植肝静脉流出道阻塞，术中对受体的血流动力学干扰小，并可缩短无肝期和减少腔静脉梗阻并发症的发生。