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One week's anti-Helicobacter pylori treatment for duodenal ulcer.
  1. R P Logan,
  2. P A Gummett,
  3. J J Misiewicz,
  4. Q N Karim,
  5. M M Walker,
  6. J H Baron
  1. Parkside Helicobacter Study Group, Central Middlesex Hospital, London.

    Abstract

    This open study tested whether eradication of Helicobacter pylori (H pylori) heals duodenal ulcers as well as decreasing recurrence. H pylori was detected in patients with endoscopic duodenal ulcers by histology, CLO-test, culture, and 13C-urea breath test (13C-UBT). Tripotassium dicitrato bismuthate (120 mg) and amoxycillin (500 mg) each four times daily, were given for seven days, with 400 mg metronidazole five times a day on days 5-7. The 13C-UBT was repeated immediately after treatment and endoscopy repeated within 21 days. After treatment unhealed ulcers were reinspected one month later and healed ulcers followed up by 13C-UBT alone for 12 months. Of 45 patients, 44 were available for follow up. Mean pretreatment excess delta 13CO2 excretion was 25.6 per mil, which fell to 2.4 per mil immediately after finishing treatment, indicating clearance of H pylori in every patient. At the second endoscopy (median interval 20 days from start of treatment) 33 of 44 (75%) duodenal ulcers had healed. Ten of the remaining 11 duodenal ulcers were smaller and those 10 healed in the next two weeks with no further treatment. Two patients' ulcers that initially healed with clearance of H pylori recurred three weeks later (both had metronidazole resistant H pylori). H pylori was eradicated in 28 of 44 (64%) patients (13C-UBT negative for median follow up 10.2 months). Overall 41 of 43 (93%, 95% confidence intervals 81%-99%) duodenal ulcers were healed at one month. This study suggests that one week of anti-H pylori triple treatment is effective in healing duodenal ulcers.

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