Intravenous Omeprazole/Amoxicillin and Omeprazole Pretreatment in Helicobacter pylori-Positive Acute Peptic Ulcer Bleeding: A Pilot Study

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Abstract
Adamek RJ, Freitag M. Opferkuch W, Rühl GH, Wegener M. Intravenous omeprazole/amoxicillin and omeprazole pretreatment in Helicopter pylori-positive acute peptic ulcer bleeding. A pilot study. Scand J Gastroenterol 1994;29:880-883. Background: The aims of this study were to evaluate a Helicobacter pylori eradication schedule for H. pylori-positive gastroduodenal ulcer bleeding, which could be commenced intravenously after endoscopic diagnosis, and to assess the effect of omeprazole pretreatment on bacterial eradication. Methods: In a prospective study 20 consecutive patients with H. pylori-positive acute peptic ulcer bleeding, who were managed conservatively including endoscopic injection therapy, were treated with a 2-week regimen consisting of either 40 mg omeprazole three times daily (with the exception of the loading dose of 80 mg) and 2 g amoxicillin three times daily intravenously for 3 days and 20 mg omeprazole twice daily and 1 g amoxicillin twice daily orally for 11 days (n = 10) or only with 40 mg omeprazole three times daily (with the exception of the loading dose of 80 mg) intravenously for 3 days and 20 mg omeprazole twice daily and 1 g amoxicillin twice daily orally for 11 days (n = 10). Subsequently, both groups received 20 mg omeprazole twice daily orally for 4 weeks. Results: H. pylori eradication, defined as negative bacterial findings in urease test, culture and histology, or 13C-urea breath test at least 4 weeks after cessation of omeprazole medication, was achieved in 100% (10/10) of patients in the first group but only in 30% (3/ 10) of patients in the second group (p < 0.01). Ulcer healing was endoscopically confirmed in all but one patient in the second group. Conclusions: For the first time a promising concept for H. pylori eradication in H. pylori-positive ulcer bleeding is available by using a combined intravenous and oral omeprazole/amoxicillin therapy, which can be started intravenously immediately after an emergency upper GI endoscopy. In addition, these data imply that omeprazole pretreatment may not be wise when H. pylori eradication is attempted.