4.6 Article

MIRACLE2 Score and SCAI Grade to Identify Patients With Out-of-Hospital Cardiac Arrest for Immediate Coronary Angiography

Journal

JACC-CARDIOVASCULAR INTERVENTIONS
Volume 15, Issue 10, Pages 1074-1084

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcin.2022.03.035

Keywords

cardiac arrest; coronary angiography; prediction

Funding

  1. King's College Hospital RD Grant
  2. Department of Health through a National Institute for Health Research Biomedical Research Centre
  3. King's College London
  4. King's College Hospital NHS Foundation Trust
  5. British Heart Foundation

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This study evaluated the impact of performing immediate coronary angiography (CAG) after out-of-hospital cardiac arrest (OHCA) with stratification of predicted neurologic injury and cardiogenic shock on arrival to a center. The results showed that immediate CAG was associated with improved survival with good neurologic outcome in low-risk patients with ST-segment elevation myocardial infarction and SCAI grade B to E shock.
OBJECTIVES The purpose of this study was to evaluate the impact of performing immediate coronary angiography (CAG) after out-of-hospital cardiac arrest (OHCA) with stratification of predicted neurologic injury and cardiogenic shock on arrival to a center. BACKGROUND The role of immediate CAG for patients with OHCA is unclear, which may in part be explained by the majority of patients dying of hypoxic brain injury. METHODS Between May 2012 and July 2020, patients from 5 European centers were included in the EUCAR (European Cardiac Arrest Registry). Patients were retrospectively classified into low vs high neurologic risk (MIRACLE(2) score 0-3 vs >= 4) and degree of cardiogenic shock on arrival (Society for Cardiovascular Angiography and Interventions [SCAI] grade A vs B-E). A multivariable logistic regression analysis including immediate CAG was performed for the primary outcome of survival with good neurologic outcome (Cerebral Performance Category 1 or 2) at hospital discharge. RESULTS Nine hundred twenty-six patients were included in the registry, with 405 (43.7%) in the low-risk group and 521 (56.3%) in the high-risk group. Immediate CAG was independently associated with improved survival with good neurologic outcome in the low MIRACLE(2) risk group with ST-segment elevation myocardial infarction (OR: 11.80; 95% CI: 2.24-76.74; P = 0.048) and with SCAI grade B to E shock (OR: 3.23; 95% CI: 1.10-9.50; P = 0.031). No subgroups, including those with ST-segment elevation myocardial infarction and with SCAI grade B to E shock, achieved any benefit from early CAG in the high MIRACLE(2) group. CONCLUSIONS Combined classification of patients with OHCA with 12-lead electrocardiography, MIRACLE(2) score 0 to 3, and SCAI grade B to E identifies a potential cohort of patients at low risk for neurologic injury who benefit most from immediate CAG. (C) 2022 Published by Elsevier on behalf of the American College of Cardiology Foundation.

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