• James W Schurr, Mohammad Noubani, Lee Ann Santore, Andrew P Rabenstein, Kathleen Dhundale, Jillian Fitzgerald, Jan Cahill, Thomas V Bilfinger, Frank C Seifert, and Allison J McLarty.
• ECMO Research Group, Division of Cardiothoracic Surgery, Department of Surgery, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York.
• Shock. 2021 Dec 1; 56 (6): 939947939-947.

BackgroundExtracorporeal membrane oxygenation (ECMO) use in patients with cardiac arrest is increasing. Utilization remains variable between centers using ECMO as a rescue therapy or early protocolized extracorporeal cardiopulmonary resuscitation.MethodsSingle-center, retrospective evaluation of cardiac arrest with cardiopulmonary resuscitation and rescue ECMO support from 2011 through 2019. Study objectives included survival, non-neurologic, and neurologic outcomes; validation of the SAVE and modified SAVE (mSAVE) scores for survival and favorable neurologic outcome; and predictive factor identification in cardiac arrest with ECMO rescue therapy.ResultsEighty-nine patients were included. In-hospital survival was 38.2% and median CPC score was 2. Survivors had lower BMI (27.9 ± 4.2 kg/m2 vs. 32.3 ± 7.5 kg/m2, P = 0.003), less obesity (BMI ≥ 30 kg/m2) (26.5% vs. 49.1%, P = 0.035), shorter CPR duration (35.5 ± 31.7 m vs. 58.0 ± 49.5 m, P = 0.019), more tracheostomy (38.2% vs. 7.3%, P < 0.001), and less renal replacement therapy (RRT) (17.6% vs. 38.2%, P = 0.031). Patients with a favorable neurologic outcome had lower body weight (86.2 ± 17.9 kg vs. 98.1 ± 19.4 kg, P = 0.010), lower BMI (28.1 ± 4.5 kg/m2 vs. 33.9 ± 7.9 kg/m2, P < 0.001), and less obesity (29.7% vs. 56.3%, P = 0.026). mSAVE score predicted in-hospital survival (OR 1.11; 95%CI 1.03-1.19; P = 0.004) and favorable neurologic outcome (OR 1.11; 1.03-1.20; P = 0.009). Multivariate analysis for in-hospital survival included mSAVE, BMI, CPR-time, tracheostomy, and RRT (c-statistic: 0.864). Favorable neurologic outcome included mSAVE and BMI (c-statistic: 0.805).ConclusionsmSAVE, BMI, RRT, and tracheostomy are predictors of in-hospital survival and mSAVE and BMI are predictors of favorable neurologic outcome in cardiac arrest with ECMO rescue therapy.Copyright © 2021 by the Shock Society.

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