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- W2396979281 abstract "Eradication of Helicobacter pylori has been gaining significance for the treatment of gastroduodenal diseases. Establishment of a precise diagnostic method for H. pylori is of great value. The aim of this study was to establish a new method for precisely judging the eradication of this bacteria.We measured serum pepsinogen I (PG I) and pepsinogen II (PG II) levels in 105 cases of peptic ulcer with H. pylori infection before and after anti-H. pylori treatment, determined percentage changes in serum PG I:PG II ratios before and 1 month after the treatment, and established cut-off values for them to distinguish success from failure of H. pylori eradication. Cut-off values for percentage changes in serum PG I:PG II ratios were tentatively set as +40%, +25%, and +10% when the serum PG I:PG II ratios before treatment were less than 3.0, not less than 3.0 but less than 5.0, and not less than 5.0, respectively.With these cut-off values, the sensitivity, specificity, and validity for determination of eradication of H. pylori-on the basis of culture, histology, the rapid urease test, and a polymerase chain reaction method-were 100.0%, 93.1%, and 96.2%, respectively. These cut-off values could be applied to both gastric ulcer and duodenal ulcer.Our findings suggest that percentage changes in serum PG I:PG II ratios are useful as indices for distinguishing success from failure in eradication therapy for H. pylori." @default.
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- W2396979281 date "1997-01-01" @default.
- W2396979281 modified "2023-09-27" @default.
- W2396979281 title "Percentage changes in serum pepsinogens are useful as indices of eradication of Helicobacter pylori." @default.
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