Objective To evaluate the effects of preventing and treating delayed gastric emptying (DGE)in the patients with pylorus preserving pancreaticoduodenostomy(PPPD).

目探讨保留幽门胰十二指肠切除术(PPPD)后胃排空障碍(DGE)预防诊治方法。

It also discu ssed the suitable dilating internal diam eter of pylorus and believe that air-poc keting pylorodiosis is a simple safety r eliable measure and is worth popularizin g.

对幽门扩张内径进行了讨论。认为幽门扩张法行，安全可靠，值得推广。