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A multicenter prospective study on the diagnostic performance of a new liquid rapid urease test for the diagnosis of <i>Helicobacter pylori</i> infection.

Dolak, Werner, Bilgilier, Ceren, Stadlmann, Alexander, Leiner, Judith, Püspök, Andreas, Plieschnegger, Wolfgang, Siebert, Franz, Wewalka, Friedrich, Schöfl, Rainer, Huber-Schönauer, Ursula, Datz, Christian, Biowski-Frotz, Susanne, Högenauer, Christoph, Schrutka-Kölbl, Christiane, Makristathis, Athanasios, Schöniger-Hekele, Maximilian and Steininger, Christoph (2017) A multicenter prospective study on the diagnostic performance of a new liquid rapid urease test for the diagnosis of <i>Helicobacter pylori</i> infection. Gut pathogens, 9. p. 78. ISSN 1757-4749

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Abstract

Background <i>Helicobacter pylori</i> (<i>H. pylori</i>) causes a diversity of gastric diseases. Rapid urease tests (RUT) are well established for the point-of-care, invasive diagnosis of <i>H. pylori</i> infection. The study aimed to evaluate the diagnostic performance of a new liquid RUT, the preOx-HUT, within a prospective cohort of treatment-naïve patients. Methods The multicenter prospective clinical trial was conducted at nine Austrian centers for gastrointestinal endoscopy. Patients referred for a diagnostic upper gastrointestinal endoscopy underwent gastric biopsy sampling for routine histological evaluation, and in parallel, the preOx-HUT. Histology served as reference standard to evaluate the diagnostic performance of the preOx-HUT. Results From January 2015 to January 2016, a total of 183 consecutive patients (54 males and 129 females, median age 50 years) were included. Endoscopy revealed pathological findings in 149/183 cases (81%), which were mostly gastritis (59%) and gastro-esophageal reflux disease (27%). <i>H. pylori</i> infection was detected by histology in 41/183 (22%) cases. In relation to histology, the preOx-HUT had a sensitivity of 85%, a specificity of 94%, a positive predictive value of 80% and a negative predictive value of 96%. Performance of preOx-HUT was not affected significantly by concomitant PPI-use as present in 15% of cases (P = 0.73). Conclusions This was the first study evaluating the preOx-HUT in a prospective, multicenter clinical setting. We found a high diagnostic accuracy for the point-of-care, invasive diagnostic test of <i>H. pylori</i> infection. Hence, this test may be a valuable diagnostic adjunct to the clinical presentation of patients with suspected <i>H. pylori</i> infection. <i>Trial registration number</i> EK 1548/2014, Name of registry: Register der Ethikkommission der Medizinischen Universität Wien, URL of registry: https://ekmeduniwien.at/core/catalog/2012/, Date of registration: 24.09.2014, Date of enrolment of the first participant to the trial: 15.01.2015.
Item Type: Article
Divisions: Ordensklinikum Linz Barmherzige Schwestern > Interne IV: Gastroenterologie & Hepatologie, Endokrinologie und Stoffwechsel, Ernährungsmedizin
Depositing User: Prof. Dr. Rainer Schöfl
Date Deposited: 16 Nov 2021 11:40
Last Modified: 16 Nov 2021 11:40
URI: http://eprints.vinzenzgruppe.at/id/eprint/9312

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