Effect of acute gastric electrical stimulation on the systemic release of hormones and plasma glucose in dogs

J. H. Xing, Y. Lei, H. R. Ancha, R. F. Harty, J. D. Chen

Research output: Contribution to journalArticle

Abstract

This study evaluated the effect of gastric electrical stimulation (GES) with various parameters on plasma concentrations of satiety-related peptides and glucose. GES was performed in nine healthy dogs via electrodes implanted in the middle of the lesser curvature. Four sessions were performed in each animal: control, stimulation with IGS (implantable gastric stimulation for obesity, 0.3 m sec), modified IGS (2 msec), and long pulses (300 msec). Blood samples were collected at 15 and 0 min before the meal and at 15, 30, and 60 min after the meal. GES was initiated 30 min before the first blood sample and maintained throughout collection. Plasma ghrelin, leptin, insulin and glucose were measured. The total AUCs of plasma ghrelin and leptin were not significantly affected by GES. The total AUC of plasma insulin was significantly lower with IGS and long pulse parameters (P < 0.05). The total AUC for plasma glucose was significantly lower in sessions with long pulses and modified IGS parameters (P < 0.05). We conclude that acute GES is able to change the release of some satiety-related peptides. Whether this is associated with the changed eating behavior and weight loss in obese patients needs further investigation.

Original languageEnglish (US)
Pages (from-to)495-501
Number of pages7
JournalDigestive Diseases and Sciences
Volume52
Issue number2
DOIs
StatePublished - Feb 1 2007
Externally publishedYes

Keywords

  • Gastric electrical stimulation
  • Ghrelin
  • Glucose
  • Insulin
  • LeptinI

ASJC Scopus subject areas

  • Physiology
  • Gastroenterology

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