• Ville Jalkanen, Jukka Vaahersalo, Ville Pettilä, Jouni Kurola, Tero Varpula, Marjaana Tiainen, Heini Huhtala, Ari Alaspää, Seppo Hovilehto, Outi Kiviniemi, Anne Kuitunen, Jyrki Tenhunen, and FINNRESUSCI LAB STUDY GROUP.
• Tampere University Hospital, Critical Care Medicine Research Group, PO Box 2000, 33521 Tampere, Finland. Electronic address: jyrki.tenhunen@surgsci.uu.se.
• Resuscitation. 2014 Nov 1;85(11):1562-7.

AimThe whole body ischaemia-reperfusion after cardiac arrest (CA) induces a systemic inflammation-reperfusion response. The expression of urokinase plasminogen activator receptor (uPAR) is known to be induced after hypoxia and increased levels of soluble form suPAR have been measured after hypoxia and ischaemia. Our aim was to evaluate, whether ischaemia/reperfusion injury after out-of-hospital cardiac arrest (OHCA) increases suPAR concentrations in serum and to evaluate the prognostic value of suPAR regarding 90-day mortality and 12-month neurological outcome.MethodsThis is a pre-determined substudy of prospective FINNRESUSCI study. Total of 287 patients treated in the intensive care units after OHCA and with consent from the next-of-kin and serum samples between baseline and day 4 were included. Outcome and neurological outcome were evaluated according the Pittsburgh Cerebral Performance Categories (CPC). Kaplan-Meier survival curves, areas under receiver operational characteristics curves and positive likelihood ratios for mortality and poor neurological outcome were calculated.ResultsNon-survivors had higher levels of suPAR after OHCA. Kaplan-Meier survival curves indicated high 90-day mortality in the highest concentration quintiles. LR+ for 1-year CPC 3-5 was 1.8-2.7 for the whole patient cohort and in shockable rhythms 2.0-2.4. In therapeutic hypothermia prognostic value remained.ConclusionsWe found that high SuPAR concentrations were associated with poor outcome in patients with OHCA admitted to critical care. However, suPAR alone had inadequate predictive value for poor outcome and did not associate with 12-month neurological outcome.Copyright © 2014. Published by Elsevier Ireland Ltd.

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