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SPECIAL ARTICLE   Open accessopen access

Italian Journal of Emergency Medicine 2022 December;11(3):172-6

DOI: 10.23736/S2532-1285.22.00163-X

Copyright © 2022 THE AUTHORS

This is an open access article distributed under the terms of the CC BY-NC-ND 4.0 license which allows users to copy and distribute the manuscript, as long as this is not done for commercial purposes and further does not permit distribution of the manuscript if it is changed or edited in any way, and as long as the user gives appropriate credits to the original author(s) and the source (with a link to the formal publication through the relevant DOI) and provides a link to the license.

lingua: Inglese

Clinical application and new utility of sST2 in emergency area

Luigi PETRAMALA 1, 2 , Giuliano BERTAZZONI 2, Fabio DE IACO 3

1 Department of Translational and Precision Medicine, Umberto I Polyclinic, Sapienza University, Rome, Italy; 2 Emergency Department, Umberto I Polyclinic, Rome, Italy; 3 Società Italiana di Medicina d’Emergenza-Urgenza (SIMEU), Turin, Italy

In the emergency field, many biomarkers are evaluated for clinical management of several acute diseases in clinical practice, to precise diagnosis, risk stratification or response to specific treatment. The protein ST2 is involved in inflammatory conditions, fibroproliferative diseases, autoimmune diseases, trauma, sepsis, and most recently in pulmonary and cardiovascular diseases. Higher levels of serum ST2 (sST2) are associated with inflammatory responses in several conditions. Whereas pro-BNP is considered the gold standard marker for the diagnosis of acute heart failure (HF), several studies observed that sST2 shows additional diagnostic and prognostic value; for example, this biomarker has stronger power to predict fatal events in HF in preserved or reduced ejection fraction, especially with values ≥35 ng/mL. Moreover, sST2 is useful to identify the degree of coronary artery stenosis and to predict the development of adverse events 1-year after coronary revascularization due to acute coronary syndrome (ACS). In fact, levels of sST2>35 ng/mL are associated with higher Gensini scores, multivessel disease and higher rate of major cardiovascular and cerebrovascular events. Recently, during acute COVID-19 infection, higher levels of sST2 showed role as an inflammation marker, associated with worse outcomes (i.e., ICU admission, mechanical ventilation, or in-hospital death). Although the role as prognostic marker is well highlighted in cardiovascular diseases and heart failure, sST2 can be evaluated in different conditions characterized by considerable impact in the field of emergency, giving useful information in terms of greater diagnostic accuracy, risk stratification, and prognosis.

KEY WORDS: Receptors, interleukin-1; Emergency medicine; Classification

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