• Resuscitation · Dec 2023

    Coronary Features Across the Spectrum of Out-of-Hospital Cardiac Arrest with ST-elevation Myocardial Infarction (CAD-OHCA study).

    • Danilo Franco, Tomaz Goslar, Peter Radsel, LucaNicola DeNDepartment of Advance Biomedical Sciences, Federico II University, Via Pansini 5, 80131 Naples, Italy., Giovanni Esposito, Raffaele Izzo, Tullio Tesorio, Emanuele Barbato, and Marko Noc.
    • Center for Intensive Internal Medicine, University Medical Center, Zaloska 7, 1000 Ljubljana, Slovenia; Department of Advance Biomedical Sciences, Federico II University, Via Pansini 5, 80131 Naples, Italy.
    • Resuscitation. 2023 Dec 1; 193: 109981109981.

    AimWe hypothesized that adult patients with out-of-hospital cardiac arrest (OHCA) and ST-elevation myocardial infarction (STEMI) requiring prolonged resuscitation have more severe coronary artery disease (CAD) than those responding rapidly, and more severe CAD than patients with STEMI without OHCA.MethodsConsecutive conscious and comatose OHCA patients with STEMI after reestablishment of spontaneous circulation (ROSC), and patients with refractory OHCA undergoing veno-arterial extracorporeal membrane oxygenation (E-CPR OHCA) were compared to STEMI without OHCA (STEMI no OHCA). CAD severity was assessed by a single physician blinded to the resuscitation method, time to ROSC and level of consciousness.ResultsBetween 2016 and 2022, 71 conscious OHCA, 157 comatose OHCA, 50 E-CPR OHCA and 101 STEMI no OHCA underwent immediate coronary angiography. Acute culprit lesion was documented less often in OHCA (88.1% vs 97%; p = 0.009) but complete occlusion was more frequent (68.8% vs 58.4%; p = 0.038) than in STEMI no OHCA. SYNTAX score was 5.6 in STEMI no OHCA, 10.2 in conscious OHCA, 13.4 in comatose OHCA and 26.8 in E-CPR OHCA (p < 0.001). There was a linear correlation between SYNTAX score and delay to ROSC/ECMO initiation (r2 = 0.61; p < 0.001). Post PCI culprit TIMI 3 flow was comparable between the groups (≥86%). SYNTAX score was among independent predictors of 5-year survival which was significantly decreased in comatose OHCA (56.1%) and E-CPR OHCA (36.0%) compared to conscious OHCA (83.1%) and STEMI no OHCA (88.1%).ConclusionCompared to STEMI no OHCA, OHCA was associated with increased incidence of acute coronary occlusion and more complex non culprit CAD which progressively increased from conscious OHCA to E-CPR OHCA. Severity of CAD was associated with increased delays to ROSC/ECMO initiation and decreased long term survival.Copyright © 2023 The Author(s). Published by Elsevier B.V. All rights reserved.

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