Article ; Online: Thrombosis pathways in COVID-19 vs. influenza-associated ARDS: A targeted proteomics approach.
Journal of thrombosis and haemostasis : JTH
2022 Volume 20, Issue 5, Page(s) 1206–1212
Abstract: Background: Pulmonary embolism (PE) occurs in one-third of critically-ill COVID-19 patients. Although prior studies identified several pathways contributing to thrombogenicity, it is unknown whether this is COVID-19-specific or also occurs in ARDS ... ...
Abstract | Background: Pulmonary embolism (PE) occurs in one-third of critically-ill COVID-19 patients. Although prior studies identified several pathways contributing to thrombogenicity, it is unknown whether this is COVID-19-specific or also occurs in ARDS patients with another infection. Objective: To compare pathway activity among patients having COVID-19 with PE (C19PE+), COVID-19 without PE (C19PE-), and influenza-associated ARDS (IAA) using a targeted proteomics approach. Methods: We exploited an existing biorepository containing daily plasma samples to carefully match C19PE+ cases to C19PE- and IAA controls on mechanical ventilation duration, PEEP, FiO2, and cardiovascular-SOFA (n = 15 per group). Biomarkers representing various thrombosis pathways were measured using proximity extension- and ELISA-assays. Summed z-scores of individual biomarkers were used to represent total pathway activity. Results: We observed no relevant between-group differences among 22 biomarkers associated with activation of endothelium, platelets, complement, coagulation, fibrinolysis or inflammation, except sIL-1RT2 and sST2, which were lower in C19PE- than IAA (log2-Foldchange -0.67, p = .022 and -1.78, p = .022, respectively). However, total pathway analysis indicated increased activation of endothelium (z-score 0.2 [-0.3-1.03] vs. 0.98 [-2.5--0.3], p = .027), platelets (1.0 [-1.3-3.0] vs. -3.3 [-4.1--0.6], p = .023) and coagulation (0.8 [-0.5-2.0] vs. -1.0 [-1.6-1.0], p = .023) in COVID-19 patients (C19PE+/C19PE- groups combined) compared to IAA. Conclusion: We observed only minor differences between matched C19PE+, C19PE-, and IAA patients, which suggests individual biomarkers mostly reflect disease severity. However, analysis of total pathway activity suggested upregulation of some distinct processes in COVID-19 could be etiologically related to increased PE-risk. |
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MeSH term(s) | Biomarkers ; COVID-19/complications ; Humans ; Influenza, Human/complications ; Influenza, Human/diagnosis ; Proteomics ; Pulmonary Embolism/diagnosis ; Respiratory Distress Syndrome ; SARS-CoV-2 ; Thrombosis |
Chemical Substances | Biomarkers |
Language | English |
Publishing date | 2022-02-27 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 2112661-6 |
ISSN | 1538-7836 ; 1538-7933 |
ISSN (online) | 1538-7836 |
ISSN | 1538-7933 |
DOI | 10.1111/jth.15671 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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