• Déborah Jaeger, Florence Dumas, Josephine Escutnaire, Sonia Sadoune, Adrien Lauvray, Carlos Elkhoury, Adrien Bassand, Nicolas Girerd, Pierre Yves Gueugniaud, Karim Tazarourte, Hervé Hubert, Alain Cariou, Tahar Chouihed, and Reac Group.
• Emergency Department, University Hospital of Nancy, France; INSERM, Clinical Investigation Center - Unit 1433, University Hospital of Nancy, Vandoeuvre les, Nancy, France; INSERM U1116, Université de Lorraine, Nancy, France.
• Resuscitation. 2018 May 1; 126: 90-97.

BackgroundThe survival rate of out-of-hospital cardiac arrest (OHCA) remains extremely low, generally under 10%. Post-resuscitation care, and particularly early coronary reperfusion, may improve this outcome. The main objective of the present study was to determine whether patients with immediate coronary angiography at hospital admission (CAA) had a better outcome than patients without immediate CAA.MethodsThis cohort analysis study was based on data extracted from the French National Cardiac Arrest registry (RéAC). To control for attribution bias, patients were matched using a propensity score, which included age clusters, low flow and no flow delays, initial rhythm and bystander cardiopulmonary resuscitation (CPR). The main endpoint was survival at day 30 (D30). Secondary endpoint was neurological recovery of survivors assessed by the Cerebral Performance Category (CPC) scale, with CPC 1 and 2 at D30 considered as a favorable outcome.ResultsFrom July 1st, 2011 to October 1st, 2016, 63394 OHCA were registered in the database, of which 39444 were of an unknown or suspected cardiac origin. After on-site resuscitation by a mobile medical team, 7584 patients were transported to a hospital facility. Among these patients, 4046 were retained in the analysis after matching for the aforementioned factors and constituted into 2 groups: immediate coronary angiography (iCAA) group (n = 2023) and non-immediate coronary angiography (niCAA) group (n = 2023). The survival rate at D30 after matching was 43.3% in the iCAA group versus 34.5% in the niCAA group (OD = 0.66 [0.58; 0.75], p < 0.001). In the iCAA group, (n = 707) 36% of the patients at D30 were CPC 1-2 comparatively to (n = 539) 27.3% in the niCAA group (p < 0.01).ConclusionsBoth the survival and proportion of patients with favorable neurological recovery were significantly higher in patients who underwent an immediate coronary angiography after a resuscitated OHCA. These observational results warrant further exploration of the benefit of this invasive strategy in randomized studies.Copyright © 2018 Elsevier B.V. All rights reserved.

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