• Journal of critical care · Dec 2019

    Multicenter Study Observational Study

    Association between acute kidney injury and neurological outcome or death at 6 months in out-of-hospital cardiac arrest: A prospective, multicenter, observational cohort study.

    • Je Hyeok Oh, Dong Hoon Lee, In Soo Cho, Chun Song Youn, Byung Kook Lee, Jung Hee Wee, Kyoung-Chul Cha, Minjung Kathy Chae, Jonghwan Shin, and Korean Hypothermia Network Investigators.
    • Department of Emergency Medicine, Chung-Ang University College of Medicine, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea. Electronic address: jehyeokoh@cau.ac.kr.
    • J Crit Care. 2019 Dec 1; 54: 197-204.

    PurposeThis study aimed to evaluate the association between acute kidney injury (AKI) and 6 months neurological outcome after out-of-hospital cardiac arrest (OHCA).Materials And MethodsProspective multi-center observational cohort included adult OHCA patients treated with targeted temperature management (TTM) across 20 hospitals in the South Korea between October 2015 and October 2017. The diagnosis of AKI was made using the Kidney Disease: Improving Global Outcomes criteria. The outcome was neurological outcome at 6 months evaluated using the modified Rankin scale (MRS).ResultsAmong 5676 patients with OHCA, 583 patients were enrolled. AKI developed in 348 (60%) patients. Significantly more non-AKI patients had good neurological outcome at 6 months (MRS 0-3) than AKI patients (134/235 [57%] vs. 69/348 [20%], P < .001). AKI was associated with poor neurological outcome at six months in multivariate logistic regression analysis (adjusted odds ratio: 0.206 [95% confidence interval: 0.099-0.426], P < .001]). Cox regression analysis with time-varying covariate of AKI showed that patients with AKI had a higher risk of death than those without AKI (hazard ratio: 2.223; 95% confidence interval: 1.630-3.030, P < .001).ConclusionsAKI is associated with poor neurological outcome (MRS 4-6) at 6 months in OHCA patients treated with TTM.Trial RegistrationNCT02827422.Copyright © 2019 Elsevier Inc. All rights reserved.

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