• Enferm. Infecc. Microbiol. Clin. · Aug 2021

    Circulating Bcl-2 concentrations and septic patient mortality.

    • Leonardo Lorente, María M Martín, Raquel Ortiz-López, Agustín F González-Rivero, Antonia Pérez-Cejas, María Martín, Verónica Gonzalez, Alejandra Pérez, Mario Rodin, and Alejandro Jiménez.
    • Intensive Care Unit, Hospital Universitario de Canarias, La Laguna, Tenerife, Spain. Electronic address: lorentemartin@msn.com.
    • Enferm. Infecc. Microbiol. Clin. 2021 Aug 1; 39 (7): 330-334.

    IntroductionThere are not data on blood B-cell lymphoma 2 (Bcl-2) concentrations (one of the antiapoptotic molecules of the Bcl-2 family in the intrinsic apoptosis pathway) in septic patients. Therefore, this study was carried with the aims to explore whether blood Bcl-2 concentrations at diagnosis of sepsis are different in survivor and non-survivor septic patients, are associated with mortality, and are useful for the mortality prediction.MethodsIntensive Care Units from 3 Spanish hospitals participated in this observational and prospective study with septic patients and serum Bcl-2 concentrations at diagnosis of sepsis were determined. Mortality at 30 days was as outcome variable.ResultsWe found that 30-day non-surviving patients (n=81) showed lower serum Bcl-2 levels (p=0.003) than surviving patients (n=140). We found that serum concentrations of Bcl-2<4.4ng/mL were associated with mortality (OR=3.228; 95% CI=1.406-7.415; p=0.006) in the multiple logistic regression analysis, and that showed an area under the curve for mortality prediction of 62% (95% CI=55-68%; p=0.003).ConclusionsIn our study appears novel findings such as higher blood Bcl-2 concentrations in survivor than in non-survivor septic patients, the association between low blood Bcl-2 concentrations and mortality of septic patients, and the ability of blood Bcl-2 concentrations for the prediction of septic patient mortality.Copyright © 2020 Elsevier España, S.L.U. and Sociedad Española de Enfermedades Infecciosas y Microbiología Clínica. All rights reserved.

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