Conclusions Stomach adynamia after PD procedure is mainly caused by interruption of vagus branches to pylorus and gastric antrum. The VTPPD procedure can effectively prevent this complication.

• 结论PD术后胃动力障碍的主要原因是切断了支配幽门胃窦区的迷走神经,VTPPD能有效地预防这一并发症。