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  • Title: Role of eradication of Cag A Helicobacter pylori in non ulcer dyspepsia.
    Author: Babu V, Kate V, Ananthakrishnan N.
    Journal: Trop Gastroenterol; 2005; 26(4):211-4. PubMed ID: 16737055.
    Abstract:
    The role of Helicobacter pylori (H.pylori) in patients with non ulcer dyspepsia (NUD), the relationship of the virulence of the organism to the occurrence and severity of NUD and the need for eradication of H. pylori in alleviating symptoms of NUD remain controversial. This study was carried out for the purpose of determining the interaction between virulent H.pylori and symptoms of NUD and to clarify whether H. pylori eradication is beneficial in-patients with NUD. Sixty consecutive patients who fulfilled standard criteria for the diagnosis of NUD and who were positive H. pylori status by the urease test were studied. NUD was classified into ulcer-like and dysmotility-like as per standard criteria. All patients were treated with a triple drug regimen for H. pylori for 10 days, which consisted of Clarithromycin, Amoxicillin and Omeprazole. Blood was drawn for IgG antibodies against Cag A strains and H. pylori by ELISA. All patients were evaluated at 6 months for symptomatic improvement, which was, correlated with Cag A H. pylori positive status. No significant difference was seen in the H. pylori Cag A prevalence between ulcer-like and dysmotility-like dyspepsia. While there was a trend towards a better symptomatic improvement with H.pylori eradication in patients with ulcer-like NUD as opposed to dysmotility-like NUD, this did not reach significance (73% vs. 57%, p= 0.18). However "there was a statistically significant benefit of eradication of H. pylori in-patients with ulcer-like NUD who were positive for Cag A H.pylori status (p=0.02). No such benefit was seen in-patients with dysmotility-like NUD. H. pylori eradication seems to confer significant benefit as regards symptomatic relief inpatients with ulcer like NUD who are positive for Cag A strain for H. pylori.
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