Risk Prediction Model of In-hospital Mortality in Patients With Myocardial Infarction Treated With Venoarterial Extracorporeal Membrane Oxygenation.

There are limited data to develop a risk prediction model of in-hospital mortality for acute myocardial infarction (AMI) patients treated with venoarterial (VA)-extracorporeal membrane oxygenation (ECMO). We aimed to develop a risk prediction model for in-hospital mortality in patients with AMI who were treated with VA-ECMO. A total of 145 patients with AMI who underwent VA-ECMO between May 2004 and April 2016 were included from the Samsung Medical Center ECMO registry. The primary outcome was in-hospital mortality. To develop a new predictive scoring system, named the AMI-ECMO score, backward stepwise elimination and β coefficient-based scoring were used based on logistic regression analyses. The leave-one-out cross-validation method was performed for internal validation. In-hospital mortality occurred in 69 patients (47.6%). On multivariable logistic regression analysis, the AMI-ECMO score comprised 6 pre-ECMO or angiographic parameters: age> 65 years, body mass index> 25 kg/m The AMI-ECMO score can help predict early prognosis in AMI patients who undergo VA-ECMO.

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Copyright © 2018 Sociedad Española de Cardiología. Published by Elsevier España, S.L.U. All rights reserved.