Conclusion Single-layered anastomosis in pancreato-enteric reconstruction and pyloric-preserving pancreaticoduodenectomy are efficacious methods to decrease the postoperative morbidity.

• 结论单层吻合技术应用于胰十二指肠切除胰肠重建以及保留幽门的胰十二指肠切除术是降低术后并发症发生率的有效方法。