迷走神经干切断术后的腹泻发生率高。
The high incidence of diarrhea was encountered following truncal vagotomy.
方法采用双侧迷走神经干切断术联合应用胰高血糖素建立胃动力紊乱犬模型；
Methods A model of gastric motor disorders was established by truncal vagotomy combined with injections of glucagons.
实验表明：刺激中缝大核可增加胃酸排出量和血清胃泌素水平．切断双侧膈下迷走神经干可以消除这种作用。
The main results were as follow:(1)Thestimulation of NRM in the intact nerve rats showed three effects:increase, decrease or no effects on gastric acid output and serum gastrin level.
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