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자료유형
학술저널
저자정보
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제3권 제2호
발행연도
2009.1
수록면
95 - 100 (6page)

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Background/Aims: The presence of Helicobacter pylori (H. pylori ) infection represents a high-risk state of gastric cancer, but the risk is even higher in gastric atrophy. H. pylori stool antigen (HpSA) and serum pepsinogen (PG) tests are useful tools for screening present infection and gastric atrophy, respectively. To determine the prevalence of subjects at a high risk (HpSA+ or PG+) or very high risk (PG+) of gastric cancer in Japan, we applied the two tests to a general population. Methods: The subjects included 311 volunteers. We used Meridian HpSA ELISA for the HpSA test and Pepsinogen RIA Beads for the PG test. PG I at ≤70 μg/L and I/II ratio of ≤3.0 were used as cutoffs for PG-test positivity. Results: Positivity rates in HpSA and PG tests significantly increased with age in those younger than 60 years and in all age groups, respectively. The proportions of HpSA−/PG− and HpSA+/PG+ subjects decreased and increased with age, respectively. A small proportion of HpSA−/PG+ subjects were older than 40 years. The prevalence of subjects who were either HpSA+ or PG+ increased with age (>50% of those older than 40 years). Half of the subjects older than 60 years were PG+. Conclusions: In Japan, more than 50% of general population aged ≥40 years is at a high risk of gastric cancer, and half of the population aged ≥60 years is at a very high risk.

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