75 patients (male: 9) with ages of 15-60 and duodenal ulceration had no effect with the drug therapy during 10/1990-10/1995 received the selective proximal gastric vagotomy. The preoperative, intraoperative and postoperative gastric pH was measured by grassy method. The result has shown that the preoperative pH was 1.2-3.2, the postoperative pH of selective proximal vagotomy (nerve cord for acid secretion) was 5.5-6.4. pH in the gastric antrum beyond the big curve which is far from pylorus about 5 cm was less 1.5.
duodenal ulcer ; Duodenal Diseases ; surgery ; therapeutics