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  • Title: Can anti-Helicobacter pylori and anti-CagA antibodies be used to select patients with dyspepsia for gastroscopy?
    Author: Manjunath SM, Desai ND, Alexander J, Patil S, Ughade S, Sawant P.
    Journal: Trop Gastroenterol; 2006; 27(3):122-6. PubMed ID: 17310555.
    Abstract:
    BACKGROUND: agA IgG antibody in sera may indicate presence of peptic ulcer disease among dyspeptic patients and therefore may be used as a serological marker to identify high risk patients for peptic ulcer who can be subjected to endoscopy. Present study was performed to identify association of CagA IgG antibody in patients with peptic ulcer. METHODS: Consecutive patients with dyspepsia were subjected to endoscopy and sera was collected from each. Rapid urease test in antral tissue collected from each patient by endoscopic biopsy was performed. Antral tissue was also examined histologically. IgG Antibody against H. Pylori and CagA IgG antibody was tested in each patients sera. RESULTS: Out of 82 patients with dyspepsia included in the study 28 had peptic ulcer. Of whom 26 were positive for anti IgG H. Pylori antibody. More than 80% patients with peptic ulcer patients had detectable anti Cag A antibody in contrast to 33% patients with non ulcer dyspepsia (P < 0.001). CONCLUSION: Anti-Cag A antibody may be used as a screening test in patients with dyspepsia to select high risk patients for peptic ulcer for upper gastrointestinal endoscopy.
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