• Resuscitation · Apr 2024

    Observational Study

    Acute liver failure after out-of-hospital cardiac arrest: An observational study.

    • Marie-Charlotte Delignette, Neven Stevic, Fanny Lebossé, Eric Bonnefoy-Cudraz, Laurent Argaud, and Martin Cour.
    • Hospices Civils de Lyon, Hôpital Edouard Herriot, Service de Médecine Intensive-Réanimation, Lyon, France; Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France. Electronic address: marie-charlotte.delignette@chu-lyon.fr.
    • Resuscitation. 2024 Apr 1; 197: 110136110136.

    RationaleApart from hypoxic hepatitis (HH), the hepatic consequences of out-of-hospital cardiac arrest (OHCA) have been little studied. This cohort study aimed to investigate the characteristics of liver dysfunction resulting from OHCA and its association with outcomes.MethodsAmong the conventional static liver function tests used to define acute liver failure (ALF), we determined which one correlated more closely with the reference indocyanine green (ICG) clearance test in a series of OHCA patients from the CYRUS trial (NCT01595958). Subsequently, we assessed whether ALF, in addition to HH (i.e., acute liver injury), was an independent risk factor for death in a large cohort of OHCA patients admitted to two intensive care units between 2007 and 2017.ResultsICG clearance, available for 22 patients, was impaired in 17 (77.3%) cases. Prothrombin time (PT) ratio was the only static liver function test that correlated significantly (r = -0.66, p < 0.01) with ICG clearance and was therefore used to define ALF, with the usual cutoff of < 50%. Of the 418 patients included in the analysis (sex ratio: 1.4; median age: 64 [53-75] years; non-shockable rhythm: 73%), 67 (16.0%) presented with ALF, and 61 (14.6%) had HH at admission. On day 28, 337 (80.6%) patients died. Following multivariate analysis, ALF at admission, OHCA occurring at home, absence of bystander, non-cardiac cause of OHCA, low-flow duration ≥ 20 min, and SOFA score excluding liver subscore at admission were independently associated with day 28 mortality.ConclusionsALF occurred frequently after OHCA and, unlike HH, was independently associated with day 28 mortality.Copyright © 2024 Elsevier B.V. All rights reserved.

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