TITLE

Usefulness of suPAR as a biological marker in patients with systemic inflammation or infection: a systematic review

AUTHOR(S)
Backes, Yara; Sluijs, Koenraad; Mackie, David; Tacke, Frank; Koch, Alexander; Tenhunen, Jyrki; Schultz, Marcus
PUB. DATE
September 2012
SOURCE
Intensive Care Medicine;Sep2012, Vol. 38 Issue 9, p1418
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Purpose: Systemic levels of soluble urokinase-type plasminogen activator receptor (suPAR) positively correlate with the activation level of the immune system. We reviewed the usefulness of systemic levels of suPAR in the care of critically ill patients with sepsis, SIRS, and bacteremia, focusing on its diagnostic and prognostic value. Methods: A PubMed search on suPAR was conducted, including manual cross-referencing. The list of papers was narrowed to original studies of critically ill patients. Ten papers on original studies of critically ill patients were identified that report on suPAR in sepsis, SIRS, or bacteremia. Results: Systematic levels of suPAR have little diagnostic value in critically ill patients with sepsis, SIRS, or bacteremia. Systemic levels of suPAR, however, have superior prognostic power over other commonly used biological markers in these patients. Mortality prediction by other biological markers or severity-of-disease classification system scores improves when combining them with suPAR. Systemic levels of suPAR correlate positively with markers of organ dysfunction and severity-of-disease classification system scores. Finally, systemic levels of suPAR remain elevated for prolonged periods after admission and only tend to decline after several weeks. Notably, the type of assay used to measure suPAR as well as the age of the patients and underlying disease affect systemic levels of suPAR. Conclusions: The diagnostic value of suPAR is low in patients with sepsis. Systemic levels of suPAR have prognostic value, and may add to prognostication of patients with sepsis or SIRS complementing severity-of-disease classification systems and other biological markers.
ACCESSION #
79193778

 

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