Serum total antioxidant capacity during the first week of sepsis and mortality.

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Serum total antioxidant capacity during the first week of sepsis and mortality.

J Crit Care. 2018 Jun 30;47:139-144

Authors: Lorente L, Martín MM, Pérez-Cejas A, Abreu-González P, López RO, Ferreres J, Solé-Violán J, Labarta L, Díaz C, Palmero S, Jiménez A

Abstract
PURPOSE: Higher circulating total antioxidant capacity (TAC) concentrations have been found in non-survivor than in survivor septic patients at moment of sepsis diagnosis. The objectives of this study were to determine whether serum TAC levels during the first week of sepsis are associated with lipid peroxidation, sepsis severity, and sepsis mortality, and whether could be used as a prognostic biomarker.
METHODS: This prospective and observational study with 319 septic patients admitted to Intensive Care Units was carried out in 8 Spanish hospitals. We determined serum concentrations of malondialdehyde (to estimate lipid peroxidation) and TAC at days 1, 4 and 8 of sepsis. Mortality at 30 days was the end-point study.
RESULTS: We found that serum TAC concentrations at days 1, 4 and 8 could predict 30-day mortality according to ROC curve analyses (p < 0.001), that were associated with 30-day mortality according to regression analyses (p < 0.001), and that were associated with serum levels of malondialdehyde and SOFA score.
CONCLUSIONS: The new findings of our study were that serum TAC levels during the first week of sepsis are associated with lipid peroxidation, sepsis severity, and sepsis mortality, and that could be used as a prognostic biomarker.

PMID: 29981999 [PubMed - as supplied by publisher]

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