• Resuscitation · Oct 2020

    Epinephrine treatment but not time to ROSC is associated with intestinal injury in patients with cardiac arrest.

    • Konstantin A Krychtiuk, Bernhard Richter, Max Lenz, Philipp J Hohensinner, Kurt Huber, Christian Hengstenberg, Johann Wojta, Gottfried Heinz, and Walter S Speidl.
    • Department of Internal Medicine II - Division of Cardiology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria.
    • Resuscitation. 2020 Oct 1; 155: 32-38.

    AimCurrent guidelines suggest the use of epinephrine in patients with cardiac arrest (CA). However, evidence for increased survival in good neurological condition is lacking. In experimental settings, epinephrine-induced impairment of microvascular flow was shown. The aim of our study was to analyze the association between epinephrine treatment and intestinal injury in patients after CA.MethodsWe have included 52 patients with return of spontaneous circulation (ROSC) after CA admitted to our medical intensive care unit (ICU). Blood was taken on admission and levels of circulating intestinal fatty acid binding protein (iFABP) were analyzed.ResultsPatients were 64 (49.8-73.8) years old and predominantly male (76.9%). After six months, 50% of patients died and 38.5% of patients had a cerebral performance category (CPC)-score of 1-2. iFABP levels were lower in survivors (234 IQR 90-399 pg/mL) as compared to non-survivors (283, IQR 86-11500 pg/mL; p < 0.05). Plasma levels of iFABP were not associated with time to ROSC but correlated with epinephrine-dose (R = 0.32; p < 0.05). 40% of patients receiving ≥3 mg of epinephrine as compared to 10.5% of patients treated with <3 mg (p < 0.05) developed iFABP plasma levels >1500 pg/mL, which was associated with dramatically increased mortality (HR4.87, 95%CI 1.95-12.1; p < 0.001). iFABP levels predicted mortality independent from time to ROSC and the disease severity score SAPS II. In contrast to mortality, iFABP plasma levels were not associated with neurological outcome.ConclusionsIn this small, single centre study, cumulative dose of epinephrine used in cardiac arrest patients was associated with an increase in biomarker indicative of intestinal injury and 6-month mortality.Copyright © 2020 Elsevier B.V. All rights reserved.

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