Thin layer immunoassay; an economical approach to diagnose Helicobacter pylori Infection in gastroduodenal ulcer disease patients of Pakistan; a comparative analysis
AZIZ, F.; taj, y.; kazmi, S. u.
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Helicobacter pylori is a causative agent of gastritis, gastroduodenal ulcers and gastric adenocarcinoma. Gastric patients serums were screened for H. pylori infection by thin layer immunoassay. A polystyrene plate coated with H. pylori sonicate whole cell antigen (10 g/ml). Two fold-diluted patients serum was allowed to react at 37 {degrees}C, incubated at 60 {degrees}C for 1 min over water bath and recorded water condensation pattern for H. pylori antibody. Gastric patients blood samples (62% male and 6% female) were tested positive for H. pylori, while agewise 15-25 years males (36%) and 65-75 years females (50%) showed highest number of H. pylori infection. Thin layer immunoassay showed sensitivity (72-67%), specificity (100%), accuracy (94-69%) and {kappa} value (0.493-0.357) in comparison with wELISA, sELISA and kELISA. We conclude thin layer immunoassay was reliable, low cost, quick, simple and clinically useful method for H. pylori diagnosis in patients of Pakistan.
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