Effects of various types of vagotomy on gastrin release and gastric secretion in dogs.

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Abstract
Changes of serum gastrin and acid secretory responses to histamine, feeding and insulin stimulation before and after various types of vagotomy [TV (truncal vagotomy), SV (selective vagotomy), SPV (selective proximal vagotomy) and SAV (selective antral vagotomy)] were investigated in Heidenhain pouch dogs. The acid secretory response to histamine slightly decreased after various types of vagotomy. The responses of serum gastrin and acid secretion to feeding were elevated after various types of vagotomy. The serum gastrin response to insulin was highly increased after SPV and TV, whereas the response was slightly increased and decreased after SV and SAV, respectively. The acid secretion in response to insulin was increased only after SPV, while it was decreased after the other types of vagotomy. There may not be a correlation between serum gastrin and acid secretory responses to feeding and insulin after various types of vagotomy.

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