Eructation of gas through the gastroesophageal sphincter before and after gastric fundectomy in dogs.

Abstract

The gas eructation function of the gastroesophageal sphincter (GES) was investigated in 6 conscious, fed dogs before and after gastric fundectomy. Using a perfused 4-lumen catheter with a Dent sleeve, gastric and GES pressures were measured. To induce eructation, nitrogen gas was insufflated (440 ml/min) into the stomach through one channel of the catheter… (More)

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