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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/8370

    Título
    Accuracy of urea breath test performed immediately after emergency endoscopy in peptic ulcer bleeding
    Autor
    Velayos Jiménez, BenitoAutoridad UVA
    Fernández Salazar, Luis IgnacioAutoridad UVA
    Pons Renedo, Fernando
    Muñoz Moreno, María FeAutoridad UVA Orcid
    Almaraz Gómez, AnaAutoridad UVA Orcid
    Aller de la Fuente, RocíoAutoridad UVA Orcid
    Ruiz, Lourdes
    Olmo Martínez, María Lourdes delAutoridad UVA
    Año del Documento
    2012
    Editorial
    Springer Verlag
    Descripción
    Producción Científica
    Documento Fuente
    Digestive Diseases Science. 2012 Jul;57(7):1880-1886
    Resumen
    The aim of this work is to investigate the accuracy of the urea breath test (UBT) performed immediately after emergency endoscopy in peptic ulcer bleeding (PUB). METHODS: Urea breath test was carried out right after emergency endoscopy in patients with PUB. The accuracy of this early UBT was compared to a delayed one after hospital discharge that was considered the gold standard. Clinical and epidemiological factors were analyzed in order to study their influence on the accuracy of the early UBT. RESULTS: Early UBT was collected without any complication and good acceptance from all the 74 patients included. In 53 of the patients (71.6%), a delayed UBT was obtained. Comparing concordance between the two tests we have calculated an accuracy of 83% for the early UBT. Sensibility and specificity were 86.36 and 66%, respectively, with a positive predictive value of 92.68% and negative predictive value of 50% (Kappa index = 0.468; p = 0.0005; CI: 95%). We found no influence of epidemiological factors, clinical presentation, drugs, times to gastroscopy, Forrest classification, endoscopic therapy, hemoglobin, and urea levels over the accuracy of early UBT. CONCLUSIONS: Urea breath test carried out right after emergency endoscopy in PUB is an effective, safe, and easy-to-perform procedure. The accuracy of the test is not modified by clinical or epidemiological factors, ulcer stage, or by the type of therapy applied. However, we have found a low negative predictive value for early UBT, so a delayed test is mandatory for all negative cases.
    Materias (normalizadas)
    Test de urea
    Endoscopia
    ISSN
    0163-2116
    Revisión por pares
    SI
    DOI
    10.1007/s10620-012-2096-5
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/8370
    Derechos
    openAccess
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    • DEP03 - Artículos de revista [102]
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    Universidad de Valladolid

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