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The 13C-urea breath test is the main non-invasive test for the diagnosis of Helicobacter pylori infection. The availability of this test throughout the country is limited, mainly due to the difficulty in obtaining the labeled isotope from abroad. Recently, researchers from the Nuclear Energy Center in Agriculture at the University of São Paulo (CENA/USP) succeeded in synthesizing 13C-enriched urea for Helicobacter pylori diagnosis. The aim of the study was to compare the performance of the 13C-urea breath test using 13C-urea acquired abroad with that of a test using 13C-urea synthesized in Brazil.
This article was published in the following journal.
Name: Clinics (Sao Paulo, Brazil)
We aimed to evaluate in an Algerian pediatric population the diagnostic performances of the IDEIA HpStAR noninvasive stool antigen test (Oxoid, Cambridge, UK) to detect Helicobacter pylori infection b...
Objetive: To determine the diagnostic validity of an ammonia breath test for Helicobacter pylori infection in patients who undergo an upper gastrointestinal endoscopy at Hospital Cayetano Heredia.
Limited studies have reported the association between dietary patterns and the risk of Helicobacter pylori (H pylori) infection. The purpose of this study was to evaluate the relationship between diet...
Helicobacter pylori (H. pylori) resides in the stomach, colonizes gastric epithelium, and causes several digestive system diseases. Several diagnostic methods utilizing invasive or non-invasive techni...
Fructose malabsorption is commonly diagnosed by the hydrogen fructose (H2) breath test. However, the mechanisms behind fructose malabsorption in humans are not well understood and the clinical relevan...
Approximately 200 patients with suspected H.pylori will be tested with a 13C-Urea Breath Test (UBT) to ascertain H.pylori positive. 100 H.Pylori positive patients will tested before and af...
Helicobacter pylori (H. pylori) eradication increases the serum pepsinogen (PG) I/PG II ratio and the percentage change in PG I/PG II ratios was found to be a useful marker of H. pylori er...
1. To compare the diagnostic accuracy of the 13C-Urea breath test between using the citric acid as test meal and controlled group by endoscopic biopsy methods(histology, CLOtest...
Background: A progressive decrease in Helicobacter pylori eradication rates has been described over the years, so new combinations of antibiotics for treatment are needed. Aim: To evaluat...
A new method of breath collection for testing for Helicobacter Pylori infection has been developed by Exalenz. In this study, it will be compared to the gold standard- endoscopy results to...
A performance test based on forced MOTOR ACTIVITY on a rotating rod, usually by a rodent. Parameters include the riding time (seconds) or endurance. Test is used to evaluate balance and coordination of the subjects, particular in experimental animal models for neurological disorders and drug effects.
A protein extracted from boiled culture of tubercle bacilli (MYCOBACTERIUM TUBERCULOSIS). It is used in the tuberculin skin test (TUBERCULIN TEST) for the diagnosis of tuberculosis infection in asymptomatic persons.
An individual intelligence test designed primarily for school children to predict school performance and the ability to adjust to everyday demands.
An in vitro test used in the diagnosis of allergies including drug hypersensitivity. The allergen is added to the patient's white blood cells and the subsequent histamine release is measured.
The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)
Asthma COPD Cystic Fibrosis Pneumonia Pulmonary Medicine Respiratory Respiratory tract infections (RTIs) are any infection of the sinuses, throat, airways or lungs. They're usually caused by viruses, but they can also ...
Peptic Ulcer Disease
Peptic Ulcer Disease - stomach ulcer, duodenal ulcers used to refer to all types of peptic ulcers. A peptic ulcer is an erosion in a segment of the Gastrointestinal (GI) muscularis mucosae, typically in the stomach (gastric ulcer) or the first few cent...
Antiretroviral Therapy Clostridium Difficile Ebola HIV & AIDS Infectious Diseases Influenza Malaria Measles Sepsis Swine Flu Tropical Medicine Tuberculosis Infectious diseases are caused by pathogenic...