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    An Interplay between Oxidative Stress (Lactate Dehydrogenase) and Inflammation (Anisocytosis) Mediates COVID-19 Severity Defined by Routine Clinical Markers

    Autor: 
    Alonso-Bernáldez, Marta
    ;
    Cuevas-Sierra, Amanda
    ;
    Micó, Víctor
    ;
    Higuera-Gómez, Andrea
    ;
    Ramos-Lopez, Omar
    ;
    Daimiel, Lidia
    ;
    Dávalos, Alberto
    ;
    Martínez-Urbistondo, María
    ;
    Moreno-Torres, Víctor
    ;
    Ramirez de Molina, Ana
    ;
    Vargas, Juan Antonio
    ;
    Martinez, J. Alfredo
    Fecha: 
    2023
    Palabra clave: 
    anisocytosis; COVID-19; interaction; LDH; oxidative stress; Scopus; JCR
    Tipo de Ítem: 
    Articulo Revista Indexada
    URI: 
    https://reunir.unir.net/handle/123456789/14502
    DOI: 
    https://doi.org/10.3390/antiox12020234
    Dirección web: 
    https://www.mdpi.com/2076-3921/12/2/234
    Open Access
    Resumen:
    Viral infections activate the innate immune response and the secretion of inflammatory cytokines. They also alter oxidative stress markers, which potentially can have an involvement in the pathogenesis of the disease. The aim of this research was to study the role of the oxidative stress process assessed through lactate dehydrogenase (LDH) on the severity of COVID-19 measured by oxygen saturation (SaO2) and the putative interaction with inflammation. The investigation enrolled 1808 patients (mean age of 68 and 60% male) with COVID-19 from the HM Hospitals database. To explore interactions, a regression model and mediation analyses were performed. The patients with lower SaO2 presented lymphopenia and higher values of neutrophils-to-lymphocytes ratio and on the anisocytosis coefficient. The regression model showed an interaction between LDH and anisocytosis, suggesting that high levels of LDH (>544 U/L) and an anisocytosis coefficient higher than 10% can impact SaO2 in COVID-19 patients. Moreover, analysis revealed that LDH mediated 41% (p value = 0.001) of the effect of anisocytosis on SaO2 in this cohort. This investigation revealed that the oxidative stress marker LDH and the interaction with anisocytosis have an important role in the severity of COVID-19 infection and should be considered for the management and treatment of the oxidative phenomena concerning this within a precision medicine strategy.
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