• Journal of critical care · Apr 2014

    Serum thiamine concentration and oxidative stress as predictors of mortality in patients with septic shock.

    • Nara Aline Costa, Ana Lúcia Gut, Mariana de Souza Dorna, José Alexandre Coelho Pimentel, Silvia Maria Franciscato Cozzolino, Paula Schmidt Azevedo, Ana Angélica Henrique Fernandes, Leonardo Antonio Mamede Zornoff, Sergio Alberto Rupp de Paiva, and Marcos Ferreira Minicucci.
    • Department of Internal Medicine, Botucatu Medical School, UNESP-Univ Estadual Paulista, Botucatu, Brazil.
    • J Crit Care. 2014 Apr 1;29(2):249-52.

    PurposeThe purpose of the study is to determine the influence of serum thiamine, glutathione peroxidase (GPx) activity, and serum protein carbonyl concentrations in hospital mortality in patients with septic shock.Materials And MethodsThis prospective study included all patients with septic shock on admission or during intensive care unit (ICU) stay, older than 18 years, admitted to 1 of the 3 ICUs of the Botucatu Medical School, from January to August 2012. Demographic information, clinical evaluation, and blood sample were taken within the first 72 hours of the patient's admission or within 72 hours after septic shock diagnosis for serum thiamine, GPx activity, and protein carbonyl determination.ResultsOne hundred eight consecutive patients were evaluated. The mean age was 57.5 ± 16.0 years, 63% were male, 54.6% died in the ICU, and 71.3% had thiamine deficiency. Thiamine was not associated with oxidative stress. Neither vitamin B1 levels nor the GPx activity was associated with outcomes in these patients. However, protein carbonyl concentration was associated with increased mortality.ConclusionsIn patients with septic shock, oxidative stress was associated with mortality. On the other hand, thiamine was not associated with oxidative stress or mortality in these patients.Copyright © 2014 Elsevier Inc. All rights reserved.

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