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

目的探讨保留十二指肠切除术(PPPD)后胃排空障碍(DGE)的预防诊治方法。

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.

对扩张内径进行了讨论。扩张法简便易行，安全可靠，值得推广。