objective: helicobacter pylori is a major etiological agent in gastro-duodenal disorders, and has spread in the world. the prevalence of infection with h. pylori is more than 80% in some populations, but only 10% to 20% of them are infected with this organism. also infection with this pathogen is associated with peptic ulcer disease (pud), gastritis (g), duodenitis (du), and non-ulcer dyspepsi...

background helicobacter pylori (h. pylori) infection usually occurs during childhood, especially in developing countries. the aim of this study was to evaluate the prevalence of h. pylori infection among children in primary schools of rasht, a northern iranian city. methods this cross-sectional study was conducted among 961 primary school students in rasht. samples were randomly selected and st...

Objective(s): KRAS proto-oncogene mutation can be considered a diagnostic factor for treating various malignancies. Helicobacter pylori infection, a risk factor for stomach cancer, may cause DNA damage and genetic changes. The aim of the current study was to assess the association of gastric cancer and KRAS mutation, demographic factors, and H. pylori infection.<...

it has been also reported that that h. pylori infection may be responsible for some endocrine disorders, such as autoimmune thyroid diseases, diabetes mellitus and primary hyperparathyroidism. h. pylori which express cytotoxin-associated gene a (caga) may be more virulent than those that do not. the aim was to evaluate the seroprevalence of anti-h. pylori igg and anti-caga  antibodies in patien...

Medline and PubMed databases were searched on epidemiology of Helicobacter pylori for the period of April 2013-March 2014. Several studies have shown that the prevalence of H. pylori is still high in most countries. In north European and North American populations, about one-third of adults are still infected, whereas in south and east Europe, South America, and Asia, the prevalence of H. pylor...

conclusions there was a significant correlation between crs and presence of h. pylori in sinonasal mucosa. this relationship may reflect the role of h. pylori as one of the pathogenic factors in the development of crs. however, further studies are required to confirm this role. results nine patients (18%) with crs had h. pylori isolated from their samples whereas in the control group, h. pylori...

background: although helicobacter pylori and non-steroidal anti-inflammatory drugs (nsaids) are the main causes of peptic ulcers disease (pud), recently the prevalence of idiopathic peptic ulcer (ipu) is increasing in most parts of the world. the aim of this study was to assess the prevalence of ipu in kerman, the center of largest province in south-east iran. methods : we included 215 patients...

Helicobacter pylori prevalence is decreasing globally and prevalence of non H. pylori gastric ulcers is increasing. The following study was conducted to assess the prevalence of H. pylori in benign gastric ulcers in a sample of Sri Lankan patients. This was a cross-sectional study of 59 dyspeptic patients with benign gastric ulcers. Multiple endoscopic gastric biopsies were obtained and histolo...