• Mark Dennis, Peter McCanny, Mario D'Souza, Paul Forrest, Brian Burns, David A Lowe, David Gattas, Sean Scott, Paul Bannon, Emily Granger, Roger Pye, Richard Totaro, and Sydney ECMO Research Interest Group.
• Sydney Medical School, University of Sydney, Sydney, Australia; Department of Cardiology, Royal Prince Alfred Hospital, Sydney, Australia. Electronic address: mden5273@uni.sydney.edu.au.
• Int. J. Cardiol. 2017 Mar 15; 231: 131-136.

AimTo describe the ECPR experience of two Australian ECMO centres, with regards to survival and neurological outcome, their predictors and complications.MethodsRetrospective observational study of prospectively collected data on all patients who underwent extracorporeal cardiopulmonary resuscitation (ECPR) at two academic ECMO referral centres in Sydney, Australia.Measurements And Main ResultsThirty-seven patients underwent ECPR, 25 (68%) were for in-hospital cardiac arrests. Median age was 54 (IQR 47-58), 27 (73%) were male. Initial rhythm was ventricular fibrillation or pulseless ventricular tachycardia in 20 patients (54%), pulseless electrical activity (n=14, 38%), and asystole (n=3, 8%). 27 (73%) arrests were witnessed and 30 (81%) patients received bystander CPR. Median time from arrest to initiation of ECMO flow was 45min (IQR 30-70), and the median time on ECMO was 3days (IQR 1-6). Angiography was performed in 54% of patients, and 27% required subsequent coronary intervention (stenting or balloon angioplasty 24%). A total of 13 patients (35%) survived to hospital discharge (IHCA 33% vs. OHCA 37%). All survivors were discharged with favourable neurological outcome (Cerebral Performance Category 1 or 2). Pre-ECMO lactate level was predictive of mortality OR 1.35 (1.06-1.73, p=0.016).ConclusionsIn selected patients with refractory cardiac arrest, ECPR may provide temporary support as a bridge to intervention or recovery. We report favourable survival and neurological outcomes in one third of patients and pre-ECMO lactate levels predictive of mortality. Further studies are required to determine optimum selection criteria for ECPR.Copyright © 2016 Elsevier Ireland Ltd. All rights reserved.

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