• Journal of critical care · Oct 2018

    Echocardiographic left ventricular diastolic dysfunction predicts hospital mortality after out-of-hospital cardiac arrest.

    • Jacob C Jentzer, Nandan S Anavekar, Sunil V Mankad, Majd Khasawneh, Roger D White, Gregory W Barsness, Alejandro A Rabinstein, Kianoush B Kashani, and Sorin V Pislaru.
    • Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, United States of America; Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Mayo Clinic, Rochester, MN, United States of America. Electronic address: jentzer.jacob@mayo.edu.
    • J Crit Care. 2018 Oct 1; 47: 114-120.

    PurposeTo determine whether systolic or diastolic dysfunction on transthoracic echocardiogram (TTE) predicts mortality after out-of-hospital cardiac arrest (OHCA).MethodsRetrospective cohort study of 173 OHCA subjects undergoing targeted temperature management who underwent TTE during hospitalization. Univariate analysis and multivariate logistic regression were used to determine associations between TTE measurements of systolic and diastolic function and systemic hemodynamics with all-cause mortality.ResultsMean age was 61.6 ± 12.4 years (72.7% male) and initial rhythm was shockable in 89%. Hospital mortality was 30.6%. Mean LVEF was 40% and was not different in hospital survivors (p = 0.81). TTE parameters reflecting systolic function and systemic hemodynamics did not predict hospital mortality. Medial mitral E/e' ratio was associated with hospital mortality, with an optimal cut-off > 13 (p = 0.002). After multivariate adjustment, medial mitral E/e' ratio remained predictive of hospital mortality (OR 1.11, 95% CI 1.03-1.20, p = 0.004). Subjects with a medial mitral E/e' ratio > 13 had higher mortality during long-term follow-up (p < 0.001 by log-rank).ConclusionsDiastolic dysfunction (higher medial mitral E/e' ratio) on TTE independently predicted mortality after OHCA; systolic dysfunction and TTE hemodynamic parameters did not. This reflects a novel use of Doppler TTE to predict outcomes after OHCA.Copyright © 2018 Elsevier Inc. All rights reserved.

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