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  • Title: [Electromyographic studies on gastric and intestinal motor function following pylorus preserving gastrectomy with jejunal interposition in dogs (author's transl)].
    Author: Matsubara Y.
    Journal: Nihon Heikatsukin Gakkai Zasshi; 1976 Jun; 12(2):59-75. PubMed ID: 987488.
    Abstract:
    The gastric and intestinal motor function following pylorus preserving gastrectomy with jejunal interposition were studied electromyographically in dogs. The action potentials were recorded from the interposed jejunal segment, the preserving pylorus and the duodenum before and after insertion of warm water. Studies were made on the frequency, the propagation velocity of the spike-bursts in the portions mentioned above, and the incidence of the spike-bursts which propagated from the distal porition of the interposed jejunal segment to the preserving pylorus, and from the preserving pylorus to the proximal portion of the duodenum. The results obtained are as follows: 1) The frequency of the spike-bursts found in the interposed jejunal segment, the preserving pylorus, and the duodenum showed a remarkable increase after insertion of warm water. 2) The propagation velocity of the spike-bursts in the interposed jejunal segment, the preserving pylorus, and the duodenum were accelerated after insertion of warm water. 3) There were observed a moderate increase in the incidence of the spike-bursts which propagated from the distal portion of the interposed jejunal segment to the preserving pylorus, and from the preserving pylorus to the proximal portion of the duodenum after insertion of warm water. These findings suggested that the motor function of the interposed jejunal segment, that of the preserving pylorus, and that of the duodenum after pylorus preserving gastrectomy with jejunal interposition might be kept not yet injured enough to transport the contents from the interposed jejunal segment into the duodenum.
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