{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,7]],"date-time":"2025-03-07T13:10:05Z","timestamp":1741353005209,"version":"3.38.0"},"reference-count":27,"publisher":"American Veterinary Medical Association (AVMA)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["ajvr"],"published-print":{"date-parts":[[2009,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n<jats:p><jats:bold>Objective<\/jats:bold>\u2014To evaluate whether changes in gastric myoelectrical activity in healthy, awake dogs can be detected via multichannel electrogastrography (EGG).<\/jats:p>\n<jats:p><jats:bold>Animals<\/jats:bold>\u20146 healthy hound-breed dogs.<\/jats:p>\n<jats:p><jats:bold>Procedures<\/jats:bold>\u2014For each dog, 8-channel EGG was performed after food had been withheld for 12 hours and at 30 minutes after subsequent feeding; 60 minutes after feeding, atropine (0.04 mg\/kg) was administered IM to induce ileus, and 30 minutes later, EGG was again performed. Mean cycles per minute (cpm) values of the dominant frequency (a measure of the rhythmicity of gastric electrical activity) and mean power ratios (ie, power measured after treatment divided by the power measured when food was withheld) were calculated. Motility of the gastric antrum was assessed via B-mode ultrasonography during the same phases; contractions determined ultrasonographically were correlated with EGG power for each channel in each phase.<\/jats:p>\n<jats:p><jats:bold>Results<\/jats:bold>\u2014The criterion for stability (SD of the dominant frequency &lt; 15% of the cpm value in at least 3 of the 8 EGG channels) was met in 4 of the 6 dogs (only in long-distance channels). The mean power ratios were significantly higher in the postprandial phase than in the ileus phase. Compared with the postprandial phase, significantly fewer contractions per minute were evident ultrasonographically in the ileus and food-withholding phases. There was a significant and good correlation between EGG power and ultrasonographic findings in all 8 channels.<\/jats:p>\n<jats:p><jats:bold>Conclusions and Clinical Relevance<\/jats:bold>\u2014Electrogastrography may be useful in assessing gastric myoelectrical activities in awake dogs with naturally occurring gastrointestinal disease, including gastric dilatation-volvulus.<\/jats:p>","DOI":"10.2460\/ajvr.70.1.11","type":"journal-article","created":{"date-parts":[[2009,1,2]],"date-time":"2009-01-02T21:46:38Z","timestamp":1230932798000},"page":"11-15","source":"Crossref","is-referenced-by-count":6,"title":["Use of multichannel electrogastrography for noninvasive assessment of gastric myoelectrical activity in dogs"],"prefix":"10.2460","volume":"70","author":[{"given":"Judith B.","family":"Koenig","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christina E. 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