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  • Title: Proximal gastric vagotomy interferes with a fundic inhibitory mechanism. A hypothesis for the high recurrence rate of peptic ulceration.
    Author: Debas HT.
    Journal: Am J Surg; 1983 Jul; 146(1):51-6. PubMed ID: 6869679.
    Abstract:
    The mucosa of the proximal stomach contains a powerful inhibitor of acid secretion and gastrin release. The release of this inhibitor is dependent on intact vagal innervation of the proximal stomach. Thus, proximal gastric vagotomy interferes with the release of the inhibitor. After proximal gastric vagotomy for peptic ulcer, recurrence rates increase over time. In addition, there is some recovery of acid secretion. Although nerve regeneration or sprouting has been suggested as the possible explanation for these events, we propose that interference with the inhibitory mechanism of the proximal stomach may be another possible explanation for the increasing ulcer recurrence rates after proximal gastric vagotomy. At present, this is only a hypothesis and is suggested only by indirect evidence. Direct testing of the hypothesis will require complete purification of the inhibitor and the development of a specific radioimmunoassay.
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