• Johnny Chahine, Marinos Kosmopoulos, Ganesh Raveendran, Demetris Yannopoulos, and Jason A Bartos.
• Division of Cardiology, Department of Medicine, University of Minnesota School of Medicine, Minneapolis, MN, United States.
• Resuscitation. 2023 Dec 1; 193: 109998109998.

BackgroundExtracorporeal cardiopulmonary resuscitation (ECPR) has been shown to improve neurologically favorable survival for patients with refractory ventricular tachycardia (VT)/ventricular fibrillation (VF) out-of-hospital cardiac arrest. Prior studies of the impact of age on outcomes in ECPR have demonstrated mixed results and we aim to investigate this relationship.MethodsPatients treated with ECPR at the University of Minnesota Medical Center for refractory out-of-hospital VT/VF arrest from December 2015 to February 2023 were included. The primary endpoints included neurologically favorable survival to discharge. A receiver operating characteristic curve was used to determine an optimal predictive age limit with the highest accuracy for neurologically favorable survival.Results391 consecutive patients were included: 22% (n = 86) were female and the mean age was 56.9 ± 11.8 years. Age was independently associated with neurologically favorable survival to discharge, with a 30% decrease in survival with every 10-year increase in age (OR 0.7 (0.57-0.87), p = 0.001. Among those with neurologically favorable survival to discharge, older patients had longer length of hospital stay compared to younger age groups (p = 0.002) while patients who failed to achieve neurologically favorable survival to discharge had similar length of stay independent of age (p = 0.51).ConclusionsAge is associated with neurologically favorable survival to discharge for patients receiving ECPR for refractory out-of-the-hospital VT/VF cardiac arrest. However, with a survival rate of 23% in the oldest age group, caution should be used when choosing age criteria for patient selection.Copyright © 2023 The Authors. Published by Elsevier B.V. All rights reserved.

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