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  • Title: Helicobacter pylori and perforated peptic ulcer prevalence of the infection and role of non-steroidal anti-inflammatory drugs.
    Author: Gisbert JP, Legido J, García-Sanz I, Pajares JM.
    Journal: Dig Liver Dis; 2004 Feb; 36(2):116-20. PubMed ID: 15002818.
    Abstract:
    AIMS: To study the prevalence of Helicobacter pylori infection in patients with perforated peptic ulcer, to compare it with the prevalence in patients with uncomplicated ulcer, and to assess the role of non-steroidal anti-inflammatory drugs in this prevalence. METHODS: Consecutive patients with perforated peptic ulcer were included in this retrospective study. As a control group, patients undergoing elective outpatient evaluation for the investigation of dyspepsia during the same time period and found to have a peptic ulcer at endoscopy were included. A 13C-urea breath test was carried out in all patients to diagnose H. pylori infection. RESULTS: Sixteen patients with perforated peptic ulcer and 160 with non-complicated peptic ulcer were included. Sixty-two percent of the patients with perforated peptic ulcer were infected by H. pylori, while the microorganism was detected in 87% of the patients without this complication (P = 0.01). Non-steroidal anti-inflammatory drugs intake was more frequent (P = 0.012) in patients with perforated peptic ulcers (56%) than in those without perforation (26%). H. pylori prevalence in perforated peptic ulcers was of 44% in patients with non-steroidal anti-inflammatory drugs intake, but this figure increased up to 86% when only patients not taking non-steroidal anti-inflammatory drugs were considered (P = 0.09). In the multivariate analysis, non-steroidal anti-inflammatory drugs intake was the only variable that correlated with peptic ulcer perforation [odds ratio, 3.6 (95% confidence interval, 1.3-10); P = 0.016]. CONCLUSION: The mean prevalence of H. pylori infection in patients with perforated peptic ulcer is, overall, of only about 60%, which contrasts with the 90-100% figure usually reported in non-complicated ulcer disease. However, the most important factor associated with H. pylori-negative perforated peptic ulcer is non-steroidal anti-inflammatory drugs use, and if this factor is excluded, prevalence of infection is almost 90%, similar to that found in patients with non-perforating ulcer disease.
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