期刊
DIGESTION
卷 78, 期 2-3, 页码 113-119出版社
KARGER
DOI: 10.1159/000173719
关键词
Helicobacter pylori eradication; Gastric cancer; Atrophic gastritis; Screening; Pepsinogen
Background: Helicobacter pylori eradication following endoscopic mucosal resection of early gastric cancer reduces the risk of metachronous gastric cancer. Aim: To identify subgroups of differing cancer risk after endoscopic mucosal resection of early gastric cancer. Methods: Histological assessment of antral and corpus tissue was done by the updated Sydney Classification and serum pepsinogen I and II levels were measured using ELISA kits. Infected patients were treated with a 7-day regimen consisting of amoxicillin, clarithromycin and a proton pump inhibitor. Results: 100 patients were enrolled; in 80 patients H. pylori was successfully eradicated and they were followed up for more than 2 years (median observation period 33 months). Metachronous gastric cancers developed in 9 patients after successful eradication. All cases were men. The frequency of severe atrophy assessed by histology (100 vs. 53.2%, p = 0.03) was higher and pepsinogen I/II ratio before eradication was significantly lower in the group that developed cancer compared to the group that did not. Pepsinogen I < 25 ng/ml was significantly associated with development of a new lesion. Conclusions: The cancer risk after eradication correlated with the severity of corpus atrophy. It should be possible to identify subgroups requiring intensive and less intensive surveillance after eradication. Copyright (c) 2008 S. Karger AG, Basel
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