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Journal of critical care · Jun 2024
Observational StudyMeasurements of I-FABP and citrulline in the postoperative period of non-cardiac surgeries with gastrointestinal complications: A prospective cohort observational study.
- Eduarda Tebet Ajeje, Joelma Villafanha Gandolfi, Vinicius Cavallari, João Manoel Silva-Jr, Renato Carneiro de Freitas Chaves, Joana Berger-Estilita, and Suzana Margareth Lobo.
- Intensive Care Division. Hospital de Base, Faculdade de Medicina de São José do Rio Preto - São José do Rio Preto (SP), Brazil.
- J Crit Care. 2024 Jun 1; 81: 154530154530.
BackgroundAcute Gastrointestinal Injury (AGI) is associated with adverse clinical outcomes, including increased mortality. We aimed to investigate the potential of citrulline and intestinal fatty acid binding protein (I-FABP) as biomarkers for early AGI diagnosis and predicting outcomes in surgical patients.MethodsProspective cohort study involving patients who underwent non-cardiac surgeries and were admitted to Intensive Care Units. AGI diagnosis was based on specific criteria, and severity was categorised following established guidelines. Statistical analyses were performed to assess the diagnostic accuracy of the biomarkers and their association with outcomes, P significant when <0.05.ResultsAGI was identified in 40.3% of patients with varying severity. Mortality rates were significantly higher in the AGI group in the ICU (19.4% vs. 0%, p = 0.001) and hospital (22.6% vs. 2.17%, p = 0.003). Urinary I-FABP levels on days 3 and 7 showed reasonable and good accuracy for AGI diagnosis (AUC 0.732 and 0.813, respectively). Urinary I-FABP levels on days 2 and 3 accurately predict sepsis. Urinary citrulline levels on day one predicted mortality (AUC 0.87) furthermore urinary I-FABP levels on day 2 showed reasonable accuracy (sensitivity 83.3%, specificity 92.4%).ConclusionUrinary I-FABP and citrulline levels are promising diagnostic and prognostic markers in ICU patients following non-cardiac surgeries.Copyright © 2024 Elsevier Inc. All rights reserved.
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