Helicobacter pylori infection in perforated peptic ulcer disease

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Abstract
This study examined a possible aetiological agent, namely, Helicobacter pylori, in perforated peptic ulcer disease and its relationship to persisting ulcer. Twenty-nine patients with perforated peptic ulcer underwent simple closure of the perforation at laparotomy. A 13C urea breath test carried out on the eighth day after operation was positive in 24 patients. Fourteen of 17 patients who underwent upper gastrointestinal endoscopy 6 weeks after discharge from hospital had a positive 13C urea breath test. The biopsy urease test performed on mucosal samples taken at endoscopy was positive in 12 of these 14 patients, indicating continuing active infection with H. pylori. Seven patients with positive 13C urea breath and biopsy urease tests had persisting duodenal ulceration. None of the three patients with a negative 13C urea breath test had evidence of duodenal ulceration at endoscopy. The association between a high rate of duodenal ulcer persistence and a high incidence of H. pylori infection suggests that antibiotic therapy to eradicate this microorganism should be given to all patients with perforated peptic ulcer disease.