Evaluation of a serological test for diagnosis ofHelicobacter pylori infection in children |
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| Authors: | J. Raymond N. Kalach M. Bergeret J. P. Barbet P. H. Benhamou D. Gendrel C. Dupont |
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| Affiliation: | (1) Department of Microbiology, Hôpital Saint Vincent de Paul, 82 avenue Denfert Rochereau, 75674 Paris Cedex 14, France;(2) Department of Pediatrics, Hôpital Saint Vincent de Paul, 82 avenue Denfert Rochereau, 75674 Paris Cedex 14, France;(3) Department of Pathology, Hôpital Saint Vincent de Paul, 82 avenue Denfert Rochereau, 75674 Paris Cedex 14, France |
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| Abstract: | A serological test for the diagnosis ofHelicobacter pylori infection (Cobas Core Roche, IgG, 2nd Generation; Roche, France) was compared with the examination of biopsy samples (culture and histology) obtained after endoscopy in 115 children to assess its value. In 94 children (42 positive and 52 negative), results were concordant. In 10 children a positive serological test was associated with an absence ofHelicobacter pylori, while in 11 others a negative serological test was associated with a positive culture. Sensitivity of the test was 79.2% and specificity 83.9%. A relationship between IgG titers and age (r=0.31, p<0.05) was found. Serological tests could be useful for the diagnosis ofHelicobacter pylori infection, but a negative test result does not rule out infection, particularly in children under 10 years of age. |
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