Severe vitamin D deficiency upon admission in critically ill patients is related to acute kidney injury and a poor prognosis

A. Zapatero, I. Dot, Y. Diaz, M. P. Gracia, P. Pérez-Terán, C. Climent, J. R. Masclans, J. Nolla

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    6 Citations (Scopus)

    Abstract

    © 2017 Elsevier España, S.L.U. y SEMICYUC Objectives: To evaluate the prevalence of vitamin D deficiency in critically ill patients upon admission to an Intensive Care Unit (ICU) and its prognostic implications. Design: A single-center, prospective observational study was carried out from January to November 2015. Patients were followed-up on until death or hospital discharge. Setting: The department of Critical Care Medicine of a university hospital. Patients: All adults admitted to the ICU during the study period, without known factors capable of altering serum 25(OH)D concentration. Interventions: Determination of serum 25(OH)D levels within the first 24 h following admission to the ICU. Main variables of interest: Prevalence and mortality at 28 days. Results: The study included 135 patients, of which 74% presented deficient serum 25(OH)D levels upon admission to the ICU. Non-survivors showed significantly lower levels than survivors (8.14 ng/ml [6.17-11.53] vs. 12 ng/ml [7.1-20.30]; P =.04], and the serum 25(OH)D levels were independently associated to mortality (OR 2.86; 95% CI 1.05-7.86; P =.04]. The area under the ROC curve was 0.61 (95% CI 0.51-0.75), and the best cut-off point for predicting mortality was 10.9 ng/ml. Patients with serum 25(OH)D < 10.9 ng/ml also showed higher acute kidney injury rates (13 vs. 29%; P =.02). Conclusion: Vitamin D deficiency is highly prevalent upon admission to the ICU. Severe Vitamin D deficiency (25[OH]D < 10.9 ng/ml) upon admission to the ICU is associated to acute kidney injury and mortality.
    Original languageEnglish
    Pages (from-to)216-224
    JournalMedicina Intensiva
    Volume42
    Issue number4
    DOIs
    Publication statusPublished - 1 May 2018

    Keywords

    • Acute kidney injury
    • Critical Care Medicine
    • Mortality
    • Vitamin D

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