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[13C-urea breath test].

Nihon rinsho. Japanese journal of clinical medicine, 2003
Infection with Helicobacter pylori(H. pylori) is thought to be an important factor in the pathogenesis of gastritis, peptic ulcer and gastric cancer, and the 13C-urea breath test (13C-UBT) is a convenient and non-invasive method for the detection of H. pylori in the stomach.
Hiroko, Oshima, Masahiro, Kajiwara
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Effect of Concomitant18O in13C-Urea on the Urea breath test

Journal of Labelled Compounds and Radiopharmaceuticals, 2000
Helicobacter pylori infection in stomach has been extensively assessed by the 13C-urea breath test (UBT) with infra-red or mass spectrometer. However, analyses of commercially available 13C-urea for UBT showed about 10 atom% of 18O abundance. It is therefore very important to investigate the 18O-isotope effect on UBT.
Wataru Maruyama   +4 more
openaire   +1 more source

Urea breath tests

1993
Detailed discussions of both the 13C and 14C urea breath tests have been published1, 2, 3, including some fascinating historical perspectives. Our group has been using the 14C urea breath test since 19864, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, but are relative newcomers to the 13C test18, which was originally described by Graham and colleagues
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[13C-urea breath test].

Nihon rinsho. Japanese journal of clinical medicine, 2001
A 13C-urea breath test(13C-UBT) is known to be a good diagnostic method for detecting H. pylori infection since it is non-invasive, simple and accurate. Its diagnostic capability in determining H. pylori eradication has been studied using 153 patients (who underwent the H. pylori eradication therapy) as subjects at two times: 6-8 weeks after the end of
C, Kato   +6 more
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[13C-urea breath test].

Nihon rinsho. Japanese journal of clinical medicine, 1994
The 13C-urea breath test is now a practical and readily available alternative to endoscopy- and serology-based methods for the detection of H. pylori infection. It can detect very low levels of H. pylori colonization within the stomach by assessing the entire mucosa, and avoids the risks of sampling error.
J, Yoshida, M, Asaka
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14C-Urea breath test is safe for pediatric patients

Nuclear Medicine Communications, 2010
Helicobacter pylori (H. pylori) infection, quite prevalent in the developing countries, is considered to be one of the causative factors for various gastric pathologies and other nongastric diseases. It is believed that H. pylori infection is almost always acquired in early childhood and persists throughout life unless specific treatment is given. The (
Chander M, Pathak   +2 more
openaire   +2 more sources

Endoscopic 13C‐urea breath test

Digestive Endoscopy, 2000
Background: Several modifications of the 13C‐urea breath test (UBT) for the diagnosis of Helicobacter pylori infection have been published. A new modification of UBT is described with the aim of avoiding the influence of urease activities from the commensal organisms other than H. pylori upon 13CO2 excretion in the breath.
Yoshihisa Urita, Kazumasa Miki
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Citric Acid As The Test Meal for The 13C-Urea Breath Test

American Journal of Gastroenterology, 1999
Test meals are used in the urea breath test to slow gastric emptying and to increase the area of contact with the substrate. Recently, citric acid has been suggested as an improved liquid test meal. The mechanism is unknown and could act by delaying gastric emptying, decreasing the pH at the site of the bacteria, or both.
D Y, Graham   +4 more
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Urea Breath Tests for Detection of Helicobacter pylori

2007
The association ofHelicobacter pyloriwith peptic ulcer disease and gastric cancer was first proposed by Warren and Marshall in 1983 (Warren and Marshall, 1983). In February 1994, the National Institutes of Health Consensus Development Conference concluded thatH. pylori infection is themajor cause of peptic ulcer disease, and all patients with confirmed
Sihe Wang, Xiaotian Zheng
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