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Cited by 355

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Interleukin-6 Is a Biomarker for the Development of Fatal Severe Acute Respiratory Syndrome Coronavirus 2 Pneumonia

Open access
Santa Cruz, André, Mendes-Frias, Ana, Oliveira, Ana Isabel, Dias, Luís, Matos, Ana Rita, Carvalho, Alexandre, Capela, Carlos, Pedrosa, Jorge, Castro, António Gil, Silvestre, Ricardo·2021·Frontiers in Immunology

Abstract

Hyper-inflammatory responses induced by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are a major cause of disease severity and death. Predictive prognosis biomarkers to guide therapeutics are critically lacking. Several studies have indicated a “cytokine storm” with the release of interleukin-1 (IL-1), IL-6, and IL-8, along with tumor necrosis factor alpha (TNFα) and other inflammatory mediators. Here, we proposed to assess the relationship between IL-6 and outcomes of patients with coronavirus disease 2019 (COVID-19). Our cohort consisted of 46 adult patients with PCR-proven SARS-CoV-2 infection admitted in a COVID-19 ward of the Hospital de Braga (HB) from April 7 to May 7, 2020, whose IL-6 levels were followed over time. We found that IL-6 levels were significantly different between the disease stages. Also, we found a significant negative correlation between IL-6 levels during stages IIb and III, peripheral oxygen saturation (SpO 2), and partial pressure of oxygen in arterial blood (PaO 2), showing that IL-6 correlates with respiratory failure. Compared to the inflammatory markers available in the clinic routine, we found a positive correlation between IL-6 and C-reactive protein (CRP). However, when we assessed the predictive value of these two markers, IL-6 behaves as a better predictor of disease progression. In a binary logistic regression, IL-6 level was the most significant predictor of the non-survivors group, when compared to age and CRP. Herein, we present IL-6 as a relevant tool for prognostic evaluation, mainly as a predictor of outcome.

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Metadata

Authors
Santa Cruz, A., Mendes-Frias, A., Oliveira, A. I., Dias, L., Matos, A. R., Carvalho, A., Capela, C., Pedrosa, J., Castro, A. G., & Silvestre, R.
Venue
Frontiers in Immunology
Published
2021-02-18
Volume
12
Pages
613422-613422
ISSN
1664-3224 (ISSN-L)
OpenAlex
W3129397954
Cited by
355
References
51
FWCI
22.88
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Interleukin-6 Is a Biomarker for the Development of Fatal Severe Acute Respiratory Syndrome Coronavirus 2 Pneumonia. https://app.cochat.ai/papers/10.3389/fimmu.2021.613422
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Santa Cruz, A., Mendes-Frias, A., Oliveira, A. I., Dias, L., Matos, A. R., Carvalho, A., Capela, C., Pedrosa, J., Castro, A. G., & Silvestre, R. (2021). Interleukin-6 Is a Biomarker for the Development of Fatal Severe Acute Respiratory Syndrome Coronavirus 2 Pneumonia. Frontiers in Immunology. https://doi.org/10.3389/fimmu.2021.613422

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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