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Long-term Follow-up Helicobacter Pylori Reinfection Rate and Its Associated Factors in Korea.
MedLine Citation:
PMID:  23066652     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: The reinfection rate of Helicobacter pylori has been reported to be low in developed countries but high in developing countries. The aim of this study is to evaluate the long-term reinfection rate of H. pylori and to investigate its associated risk factors in South Korea. METHODS: During 2003-2010, H. pylori-positive 970 patients received standard proton pump inhibitor (PPI)-based triple eradication therapy, and follow-up H. pylori tests were performed with (13) C urea breath test or invasive tests (Giemsa histology, CLO test, and culture) 4 weeks after completion of treatment. A total of 331 patients who were maintained an H. pylori-eradicated state at 1 year after eradication were divided into two groups according to reinfection. For the evaluation of risk factors of reinfection, gender, age, smoking, alcohol, income, education, gastrointestinal symptoms, clinical diagnosis, histologic atrophic gastritis or intestinal metaplasia, and clarithromycin resistance were analyzed. RESULTS: The follow-up period was 18-95 months (mean: 37.1 months), and H. pylori reappeared in 36 of 331 patients (10.9%), resulting in the annual reinfection rate of 3.51% per year. Multivariate analysis showed that male gender (HR 2.28; 95% CI, 1.05-5.00, p = .037) and low monthly family income (≤5000$ vs >5000$) (HR 3.54; 95% CI, 1.08-11.67, p = .038) were associated with H. pylori reinfection. CONCLUSION: This long-term reinfection rate of H. pylori stayed rather low (3.51% per year), and male and low income determined the reinfection, factors already known to be important for H. pylori infection.
Authors:
Min Soo Kim; Nayoung Kim; Sung Eun Kim; Hyun Jin Jo; Cheol Min Shin; Sang Hyub Lee; Young Soo Park; Jin-Hyeok Hwang; Jin-Wook Kim; Sook-Hyang Jeong; Dong Ho Lee; Jung Mogg Kim; Hyun Chae Jung
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-8
Journal Detail:
Title:  Helicobacter     Volume:  -     ISSN:  1523-5378     ISO Abbreviation:  Helicobacter     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9605411     Medline TA:  Helicobacter     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 Blackwell Publishing Ltd.
Affiliation:
Departments of Internal medicine, Seoul National University Bundang Hospital, Seongnam, Gyeonggi-do, South Korea.
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