13C urea breath test to identify Helicobacter pylori Infection in patients with upper gastrointestinal bleeding admitted to the Emergency Department

Veronica Ojetti, Maria Elena Riccioni, Marcello Covino, Francesco Franceschi, Angela Saviano, Giulia Pignataro, Marcello Candelli, Andrea Piccioni, PETRUZZIELLO C., BRIGIDA M., SAVIANO L., BARONE F.

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

OBJECTIVE: Upper gastrointestinal bleeding (UGIB) is a cause of Emergency Department (ED) visits. Peptic ulcer secondary to H. pylori (HP) infection and/or to the use of NSAIDs is the most frequent cause. The aim of the study is to evaluate directly in the ED the prevalence of HP infection through Urea Breath test (UBT) in patients admitted to the ED for UGIB. PATIENTS AND METHODS: We enrolled 87 patients (58M/29F) with a mean age of 63.8 + 11.7 yrs with an active UGIB who performed EGDS and UBT. RESULTS: 34.4% of patients performing EGDS and UBT resulted positive to HP. Peptic ulcer was present in 20/30 (66.7%) of HP+ compared to 20/57 (35.1%) of HP- (p<0.001), and also gastritis and/or duodenitis were mostly present in HP+ (23.3% vs. 15.8%) (p<0.05). A biopsy was performed in only 31% of patients with a positive rate of 33.3%. In 78% we obtained a correspondence between UBT and biopsy results. Compared to biopsy result, we obtained for UBT a positive predictive value (PPV) of 71% and a negative predictive value (NPV) of 80%. Taking the UBT as a gold standard, we obtained for biopsies a PPV of 69% and a NPV of 85%. CONCLUSIONS: Our study confirms that the use of UBT directly in ED in patients with UGIB allows for a rapid, reliable and non-invasive diagnosis of HP infection as a causative agent for bleeding, thus permitting a right etiological treatment.
Lingua originaleEnglish
pagine (da-a)804-811
Numero di pagine8
RivistaEuropean Review for Medical and Pharmacological Sciences
Volume2021
DOI
Stato di pubblicazionePubblicato - 2021

Keywords

  • Emergency Department
  • Helicobacter pylori
  • Upper gastrointestinal bleeding
  • Urea breath test

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