The Effects on Gastrin and Gastric Secretion of Five Current Operations for Duodenal Ulcer

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Abstract
We have measured serum gastrin and gastric acid secretion in 66 duodenal ulcer patients before and after vagotomy and pyloroplasty (V + P—15 patients), selective proximal vagotomy without drainage (SPV – D—11 patients) and with drainage (SPV + D—19 patients), and vagotomy, antrectomy, and either gastroduodenostomy (V + BI—15 patients) or gastrojejunostomy (V + BII—6 patients). Basal and peak postprandial gastrin levels were increased in postoperative V + P, SPV – D, and SPV + D patients. Basal and peak postprandial levels of gastrin were unchanged after V + BII, indicative of duodenal release of gastrin. Gastrin response to food was abolished in V + BII patients. Acid output was reliably reduced after all five operations; reduction was greatest in patients after antrectomy and least in patients after SPV. No beneficial results were found with drainage in SPV patients. Acid secretion increased with time in SPV patients, especially those with drainage.