الفهرس 
Introduction and aim of the workOnly 14 pages are availabe for public view
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Abstract
H. pylori infection has been reported to be associated with different GTT diseases including gastritis, peptic ulcer and even gastric cancer. At least half of the world’s population are infected by H. pylori, making it the most widespread infection in the world. The problem is more complicated in Egypt as the prevalence of organism exceeds universal rates. A variety of tests are available for diagnosis of H. pylori infection. For the correct management of diseases associated with H. pylori infection, effective diagnostic methods are necessary.
The aim of this study was studying the incidence of H. pylori infection among patients suffering from different GIT diseases and the evaluation of different diagnostic methods of H. pylori infection including invasive methods and noninvasive methods.
This study was carried out on 50 patients (37 male and 13 female) suffering from different GIT problems. All cases were subjected to endoscopic examination of upper gastrointestinal tract. Endoscopic examination revealed 9 patients (18%) with gastritis, 6 patients (12 0/0) with gastric ulcer, 2 patients (4%) with stomach cancer, 1 patient (2%) with GERD, 4 patients (8%) with biliary obstruction and the rest of patients (28) were found to have esophageal varices representing the most frequent cases in this study(560/0).
The incidence of H. pylori infection among the studied patients was determined using several methods representing both invasive techniques (culture, rapid urease test and real time peR) and non-invasive techniques (serum antibodies detection and stool antigen detection).