The result of a prospective trial of 40 patients with duodenal ulcer treated either by proximal gastric vagotomy (antrum innervated) or by selective vagotomy (antrum denervated) shows that they are equally effective in reducing gastric acid and pepsin secretion.
Preservation of antral innervation by proximal gastric vagotomy reduces gastric secretion as effectively as denervation of the entire stomach.
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