COMPUTER ANALYSIS OF GASTRIC AND DUODENAL POTENTIALS IN DOGS

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概要

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• In this report, it was intended to analyze gastric and duodenal action potentials with use of the medical computer.<BR>Ten mongrel dogs weighing about 10 kg were used for the experiments. Under the anesthesia with pentotal sodium administered intravenously or intraperitoneally, abdominal cavity was opened.<BR>Bipolar platinum-electrodes were implanted into subserosal tissue of the antrum for the recording of action potentials of the stomach.<BR>After the transverse incision and re-anastomosis of the anterior wall of the duodenum at the mid-point between the pyloric ring and ampulla of Vater, two bipolar electrodes were implanted on both side of the anastomosed line, respectively. For recording of the action potentials, ' TIAC R-351' was used.<BR>'Interval histogram' and' distribution histogram' of data were made with medical computer 'ATAC 501-20'.<BR>1) It was shown that intervals were distributed between about 12 to 14 seconds by non-sequential interval histogram of gastric action potentials.<BR>2) In non-sequential interval histogram, interval time of duodenal action potentials in the control group were divided to two groups, namely the one was 0.1-1.0 seconds, the other was 2-8 seconds.<BR>3) In non-sequential interval histogram, interval times of duodenal action poten-tial recorded at the distal portion of anastomosis were divided into two groups, the one was 0.5-3 seconds, the other was 3-9.5 seconds.<BR>4) Distribution histogram of duodenal action potentials in the control group counted to about 82.5 spikes in one spike burst.

• 日本平滑筋学会の論文

著者

• 狩野 光将

  大阪労災病院脳神経外科

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