Effect of electrical stimulation on gastric electrical activity, motility and emptying


Research output: Contribution to journalArticlepeer-review

76 Scopus citations


Abstract The aim was to measure the effect of gastric electrical stimulation on the frequency of canine antral pacesetter potentials (PPs), the strength of antral contractions, and the rate of gastric emptying while fasting, after feeding and with pentagastrin stimulation. Four conscious dogs with a stimulating electrode placed 10 cm proximal to the pylorus and recording electrodes and strain gauges placed 7, 5 and 3 cm proximal to the pylorus underwent myoelectric and strain gauge recordings while fasting, after feeding (250 ml 5% dextrose labelled with polyethylene glycol), and during pentagastrin infusion (0.5 μg kg−1 min−1) on four separate days. On each day, electrical stimulation was done using one of four stimulation frequencies (0, 6, 30 and 1200 stimuli per minute ***[s.p.m.]). Stimulation at 6 and 30 s.p.m. increased the fasting and fed PP frequency, whereas 1200 s.p.m. stimulation did not. Feeding decreased the maximum driven frequency, and pentagastrin increased it. Neither the motility index nor the gastric emptying rate were consistently changed by stimulation at any frequency. In conclusion, canine proximal antral stimulation at 6 and 30 s.p.m. sped PP frequency during fasting and after feeding, but stimulation over a wide range of frequencies had little effect on gastric contractions and emptying. 1995 Blackwell Science Ltd

Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalNeurogastroenterology & Motility
Issue number1
StatePublished - Mar 1995


  • gastric emptying
  • gastric motility
  • gastric pacing
  • pacesetter potential


Dive into the research topics of 'Effect of electrical stimulation on gastric electrical activity, motility and emptying'. Together they form a unique fingerprint.

Cite this