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  • Title: Prevalence of Helicobacter pylori in peptic ulcer disease in a Singapore hospital.
    Author: Vu C, Ng YY.
    Journal: Singapore Med J; 2000 Oct; 41(10):478-81. PubMed ID: 11281437.
    Abstract:
    INTRODUCTION: High Helicobacter pylori (H. pylori) prevalence is well documented among peptic ulcer patients. However, there have been recent reports of declining H. pylori infection rates in developed countries. Based on previous local data in a different hospital, H. pylori prevalence was 66% in gastric ulcer, 86% in duodenal ulcer and 75% in combined gastric and duodenal ulcers. Our present study aims to review the recent H. pylori prevalence in peptic ulcer patients in a Singapore hospital. H. pylori infection rate in relation to sex, age, non-steroidal anti-inflammatory drug (NSAID) use and race were also examined. METHODS: Over a 6-month period, patients diagnosed with peptic ulcer by oesophagogastroduodenoscopy were selected. Relevant information was obtained from case notes retrieved from the Medical Records Office. H. pylori status was assessed by rapid urease test (CLOtest) and/or histology. Exclusion criteria were(1) history of peptic ulcer(2), active bleeding(3), cancer or(4) recent use of antibiotics or proton pump inhibitors. RESULTS: 107 peptic ulcer patients were selected; 53 gastric ulcer, 47 duodenal ulcer and 7 with combined gastric and duodenal ulcers. Overall H. pylori prevalence was 67.9%(36/53), 85.1%(40/47) and 85.7%(6/7) respectively. Except for the gender variable in gastric ulcer group, age, race and NSAID use was not found to influence H. pylori prevalence. CONCLUSIONS: The prevalence of H. pylori among our peptic ulcer patients is slightly lower compared to overseas studies but the local trend,when compared indirectly to another previous local study did not appear to have changed much. Reasons for the lower H. pylori infection rate in comparison to overseas studies are discussed. The lower H. pylori prevalence among female gastric ulcer patients may be due to the higher prevalence of NSAID use.
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