上腹部手术更易对呼吸造成不良影响，主要影响因素有：膈肌的刺激、切口疼痛、神经反射刺激、肺动脉压增高等。
Abdominal surgery on more of an adverse respiratory effects of the main factors are: to stimulate the diaphragm, the incision pain, reflex nerve stimulation, such as pulmonary hypertension.
在冠脉正常和狭窄条件下，观察了电刺激犬膈上迷走神经的作用。
The hemodynamic effects of electrical stimulation on vagal nerve above diaphragm were studied in dogs with stenotic coronary artery and normal dogs.
结果，切断膈肌下双侧迷走神经后，再以同样的电刺激参数刺激最后区，消除了抑制胃运动的效应。
The results showed that the inhibitory effects of ap on gastric motility were withdrawn by the vagus nerves vagotomy beneath diaphragma.
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.
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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