نتایج جستجو برای: Urease Test

تعداد نتایج: 815335  

Journal: :Hepato-gastroenterology 2002
Chao-Hung Kuo Deng-Chyang Wu Chien-Yu Lu Yu-Chung Su Fang-Jong Yu Yi-Chen Lee I-Chen Wu Shiu-Ru Lin Chiang-Shin Liu Chang-Ming Jan Wen-Ming Wang

BACKGROUND/AIMS The influence of different media on the validity of the rapid urease test, including accuracy, reaction time and cost-effectiveness is evaluated. METHODOLOGY Biopsies were obtained from the antral and body mucosa of 100 KMUH patients (51 men, 49 women; mean age: 54.0 years, range: 21-79 years old) undergoing gastroendoscopy due to dyspepsia. None of the patients had received a...

Journal: :Journal of dairy science 2004
K Horie N Horie A M Abdou J-O Yang S-S Yun H-N Chun C-K Park M Kim H Hatta

Helicobacter pylori is a human pathogen that infects over 50% of the population worldwide. It is the most important etiologic agent of gastroduodenal ulcers and malignancies. Helicobacter pylori urease enzyme is considered the main factor for the organism's colonization in the gastroduodenal mucosa. Hens immunized with the purified urease produce a highly specific anti-H. pylori urease immunogl...

Journal: :Arquivos de gastroenterologia 2011
Gabriel Arismendi-Morillo Ileana Hernández Edgardo Mengual Alisbeth Fuenmayor Gisela Romero Maribel Lizarzábal

CONTEXT The correct diagnosis and effective treatment of Helicobacter pylori gastric infection are essential in controlling this infection. OBJECTIVE To compare the diagnostic value of three tests based in endoscopic gastric biopsies histopathological evaluation with hematoxylin-eosin (H-E) staining, urease rapid test and microbiological culture for detecting Helicobacter pylori active infect...

Journal: :avicenna journal of phytomedicine 0
mahmoud zardast birjand atherosclerosis and coronary artery research center, department of pathology, birjand university of medical sciences (bums), birjand, iran kokab namakin department of pediatrics, birjand university of medical sciences (bums), birjand, iran jamil esmaili kaho birjand university of medical sciences, birjand, iran (bums) sarira sadat hashemi birjand university of medical sciences, birjand, iran (bums)

objective: helicobacter pylori (h. pylori) is the most common pathogenic bacteria in the stomach. the aim of the current study was to explore the effect of oral garlic administration on bacterial urease activity inside the stomach and its contribution to the treatment of h. pylori infection.   materials and methods: in this clinical trial, 15 patients were studied quantitatively with urease bre...

Journal: :iranian journal of pathology 2006
mohammad ebrahim yarmohammadi horieh saderi s.hadi saghelaini jamshid narenjkar j

objective: to investigate the presence of helicobacter pylori in sinonasal mucosa of patients with chronic sinusitis design: a prospective case-control study materials and methods: mucosal specimens were collected from the mid-third middle meatus and lateral side of mid-cornea. h. pylori has been investigated using pcr after dna extraction and urease test. results: h. pylori was not found in an...

2012
Ivy Bastos Ramis Ernani Pinho de Moraes Márcia Silveira Fernandes Raul Mendoza-Sassi Obirajara Rodrigues Carlos Renan Varela Juliano Carlos James Scaini Pedro Eduardo Almeida da Silva

Helicobacter pylori infects nearly 50% of the world's population. This microorganism is accepted as the most important agent of gastritis and as a risk factor for peptic ulcer disease and gastric adenocarcinoma. Currently many diagnostic methods exist for detecting H. pylori, however they all have limitations, thus it is recommend a combination of at least two methods. The aim of this study was...

Journal: :Scandinavian journal of gastroenterology 2001
P Griñó S Pascual J Such J A Casellas M Niveiro M Andreu J Sáez E Griñó J M Palazón F Carnicer M Pérez-Mateo

BACKGROUND Accuracy of the most frequently used tests for diagnosing Helicobacter pylori infection in patients with upper gastrointestinal bleeding of peptic origin is determined. METHODS Seventy-eight patients with endoscopically-proven upper gastrointestinal bleeding of peptic origin were included. The presence of H. pylori was considered when observed from the histology or, if negative, wh...

2010
Y. H. Juan Z. H. Chen L. J. Chen Z. J. Wu R. Wang W. T. Sun Y. L. Zhang

The kinetic characteristics of soil urease have attracted great attention, but little information was available on its kinetic and thermodynamic behaviors as affected by urease inhibitors and temperature. With black soil (Pachic Udic Mollisol) in Heilongjiang Province of Northeast China as a test soil, an incubation test was conducted to investigate the effect of urease inhibitors (hydroquinone...

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