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  • Title: [Endoscopic stage classification of peptic ulcer and characterization of the healing process by proton pump inhibitors].
    Author: Karasawa H, Miwa T.
    Journal: Nihon Rinsho; 1992 Jan; 50(1):74-80. PubMed ID: 1347333.
    Abstract:
    Proton pump inhibitors are highly effective for gastric acid secretion and have been shown to be superior to histamine H2-receptor antagonists. The superiority of proton pump inhibitors over H2-receptor antagonists was more pronounced in duodenal ulcers. Omeprazole reduced the time required by H2-receptor antagonists the healing of duodenal ulcers by 2/3 to 1/2. On the other hand, unusual endoscopic findings, such as shallow white coat or protrusion of the ulcer floor, were noted in the healing stage of gastric ulcers with H2-receptor antagonists. Whereas these findings were rarely seen with conventional drugs. Histologically, the protrusion was made up granulation tissue consisting of cell infiltration and renewed capillaries with or without regenerated epithelia. These unusual endoscopic findings may be observed in the peptic ulcers treated with proton pump inhibitors.
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