Background and Aim: The current diagnostic methods for detecting Helicobacter pylori infection include rapid urease test (RUT), urea breath test (UBT), histology, culture, and serum antibody detection ...

The fecal antigen test is currently approved by the U.S. Food and Drug Administration for detection of H. pylori before and after treatment. Eighty-one patients with dyspepsia and endoscopically ...

Urease is one of the most consequential enzymes in the microbial world. By hydrolyzing urea into ammonia and carbon dioxide, ...

Diagnosis of H. pylori infection can be clinical or based on noninvasive or invasive testing. In 2007, the American College of Gastroenterology published guidelines for H. pylori testing 15 (Table 2).

*Department of Internal Medicine, Wakayama Medical University Kihoku Hospital and † Second Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan Distribution of delta-pH values ...