Volume 57, Number 2 (8 1999)                   Tehran Univ Med J 1999, 57(2): 29-36 | Back to browse issues page


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Alipoor Ghorbani N, Sarafnezhad A, Mirsalehian A, Malekzadeh R, Jadali Z, Behzadian G et al . Evaluation of indirect immunofloresence (IFA) in detection of gastric disorders due to H.pylori infection. Tehran Univ Med J. 1999; 57 (2) :29-36
URL: http://tumj.tums.ac.ir/article-1-1471-en.html

Abstract:   (4115 Views)
Helicobacter pylori (H.pylori) is the most common human infection in the world. This agent has a strong role in pathogenesis of chronic gastritis and peptic ulcers. Therefore introducing of simple and cost effective and non invasive tests are important for diagnosis of H.pylori infections. In this study 215 patient suffering from different gastrointestinal disorders referred to GI endoscopy department of Dr. Ali Shariati Hospital were selected as case and another 50 as control group, which were evaluated for H.pylori infection. Direct smear (staining with Giemsa) and urease tests were used as gold standard tests compared with IFA-IgG and culture. Sensitivity and specificity and accuracy for IFA were 94%, 86% and 90%, respectively. Absorption with campylobacter jejoni did not change the level of IgG against H.pylori. Negativity of urease test dose not show the eradication or absence of bacteria, but shows the low number of bacteria in biopsy materials. This report suggest that IFA is an advantageous, sensitive and reliable test in diagnosis of H.pylori infection.
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