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Prevalence study of H. pylori infection in dyspeptic patients coming to Nepal Medical College Teaching Hospital, Jorpati, Kathmandu.

Helicobacter pylori (H. pylori) is one of the most common human infections worldwide particularly in the developing countries. It has been established as etiology of chronic gastritis and peptic ulcer disease, gastric adenocarcinoma and mucosal associated lymphoid tissue lymphoma (MALT). During this decade, there have been some reports showing a decline in global prevalence of H. pylori infection and peptic diseases including many Asian countries. Hence to determine prevalence of Helicobacter pylori infection in dyspeptic patients, this descriptive, non-interventional study was carried out at the Endoscopy sub-unit of the Surgery Department from April 2011 to February 2012. Three hundred nineteen dyspeptic patients (Male 161 and female 152) with a mean age of 20.12 years were examined for the presence of H. pylori infection by histology staining. The prevalence of H. pylori infection was 50.47%. The most common endoscopic findings was gastritis (47.6%) followed by normal findings 57 (17.87%). A total of 8.47% of gastric Ulcer, oesophagitis 5.64% and gastric cancer 0.94% were detected. All three cases of gastric cancer were positive for H. pylori infection. Among gastritis, H. pylori was observed in 67 (44%) cases and 18 out of 57 (5.6%) of normal gastric mucosa showed H. pylori. The endoscopic findings such as gastritis, gastric ulcer, duodenal ulcer and gastro duodenal reflux are significantly associated with H. pyloric infection. The prevalence of H. pylori infection is still high in peptic diseases. H. pylori infection is significantly correlated with peptic ulcer diseases than with non-ulcer dyspepsia. Further studies are required to establish the H. pylori positive cases with that of other tests such as serological detection of anti H. pylori antibody by ELISA/ICT and culture to establish a diagnosis quickly without any invasive method and institute proper management thus reducing morbidity.