Fluctuations in duodenal transmural potential difference are related to duodenal slow wave activity rather than intraluminal pressure changes in canine models.
May inform duodenal pd interpretation in research; leaves open slow-wave mechanisms for human validation.
The duodenal transmural potential difference (pd) has been studied in isolated vascular-perfused preparations of canine stomach and duodenum. There was no quantitative correlation between the magnitude of the intraluminal pressure change and pd but fluctuations of pd in these preparations were related to duodenal slow wave activity.
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D L Wingate (1974) studied this question.
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