PMID: 6540253Jan 1, 1984Paper

Prostaglandin E1 (PGE1) gastric tissue levels in the rat after truncal vagotomy and/or pre-hepatic portal hypertension

The Italian Journal of Surgical Sciences
F MeriggiC Scotti-Foglieni

Abstract

Three groups of female Wistar rats were considered to study the pathophysiologic changes induced by truncal vagotomy and/or prehepatic portal hypertension. The first group was subjected to transabdominal bilateral truncal vagotomy (T.V.) and Heinecke-Mikulicz pyloroplasty, the second group to main portal vein partial stenosis (P.P.S.), and the third one simultaneously to T.V. plus P.P.S. The rats were sacrificed and the stomach homogenized. The separation and simultaneous measurement of gastric prostaglandin E1 (PGE1) resulted from high performance liquid chromatography (H.P.L.C.). Mass spectrometry (M.S.) was used for identification of several gastric PGE1 samples in purified extracts. Control rats were also sacrificed and examined. With regard to PGE1 gastric contents, the following results are reported: 1.2405 +/- 0.1356 micrograms/g (control rats), 0.786 +/- 0.1296 micrograms/g (T.V. rats), 1.8495 +/- 0.3433 micrograms/g (P.P.S. rats), and 1.2754 +/- 0.1154 micrograms/g (T.V. + P.P.S. rats). The interpretation of results is made at the moment on a hypothetical basis.

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