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, 24 (4), 643-50

The 13carbon Urea Breath Test for the Diagnosis of Helicobacter Pylori Infection in Subjects With Atrophic Gastritis: Evaluation in a Primary Care Setting

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The 13carbon Urea Breath Test for the Diagnosis of Helicobacter Pylori Infection in Subjects With Atrophic Gastritis: Evaluation in a Primary Care Setting

A Korstanje et al. Aliment Pharmacol Ther.

Abstract

Background: (13)Carbon urea breath testing is reliable to detect current infection with Helicobacter pylori but has been reported to be of limited value in selected patients with atrophic body gastritis or acid-lowering medication.

Aim: To evaluate the accuracy of (13)carbon urea breath testing for H. pylori detection in 20 asymptomatic patients with histologically confirmed atrophic body gastritis in a primary care setting.

Methods: (13)Carbon urea breath testing and serology were compared with H. pylori culture of a corpus biopsy as reference test.

Results: All tests were in agreement in 12 patients, being all positive in six and all negative in six. One patient was positive for serology and culture but negative for (13)carbon urea breath testing, five patients had only positive serology and two patients had only positive (13)carbon urea breath testing. (13)Carbon urea breath testing showed an accuracy with culture of 85% and anti-H. pylori serology with culture of 75%. (13)Carbon urea breath testing carried out in patients with positive serology showed an accuracy of 92%. Receiver operating characteristic curve analysis of (13)carbon urea breath testing shows optimal discrimination at the prescribed cut-off value.

Conclusions: (13)Carbon urea breath testing can be used as diagnostic H. pylori test in asymptomatic patients with atrophic body gastritis, preferably in addition to serology, to select subjects for anti-H. pylori therapy.

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