• Journal of critical care · Oct 2012

    Extracorporeal membrane oxygenation-assisted primary percutaneous coronary intervention may improve survival of patients with acute myocardial infarction complicated by profound cardiogenic shock.

    • Nai-Wen Tsao, Chun-Ming Shih, Jong-Shiuan Yeh, Yung-Ta Kao, Ming-Hsiung Hsieh, Keng-Liang Ou, Jaw-Wen Chen, Kou-Gi Shyu, Zen-Chung Weng, Nen-Chung Chang, Feng-Yen Lin, and Chun-Yao Huang.
    • Division of Cardiovascular surgery, Department of Surgery, Taipei Medical University Hospital, Taipei 11031, Taiwan.
    • J Crit Care. 2012 Oct 1;27(5):530.e1-11.

    PurposeThe aim of this study was to evaluate the impact of extracorporeal membrane oxygenation (ECMO) assistance on the clinical outcome of patients with acute myocardial infarction (AMI) that is complicated by profound cardiogenic shock (CS) who received primary percutaneous coronary intervention (PCI).Materials And MethodsWe collected patients from January 2004 through December 2006 (stage 1); 25 patients who presented with AMI and received primary PCI and had profound CS were enrolled in the study. Intraaortic balloon counterpulsation (IABP) was the only modality for extracorporeal support in our hospital. From January 2007 through December 2009 (stage 2), 33 patients who presented with AMI and received primary PCI and had profound CS were enrolled; for this stage; both intra-aortic balloon counter-pulsation and ECMO support were available in our facility.ResultsA Kaplan-Meier survival analysis displayed significantly improved survival for patients in stage 2 (P = .001; 1-year survival in stage 1 vs 2; 24% vs 63.64%). Patients presenting with either STEMI (ST segment elevation myocardial infarction) or NSTEMI (Non-ST segment elevation myocardial infarction) benefited from ECMO-assisted PCI (P < .05). In stage 1, patients with refractory ventricular tachycardia/ventricular fibrillation had a very low survival rate; however, in stage 2, the survival rate of patients with and without refractory ventricular tachycardia/ventricular fibrillation was similar (P = .316).ConclusionExtracorporeal membrane oxygenation-assisted PCI for patients with AMI that is complicated by profound CS may improve the 30-day and 1-year survival rates.Copyright © 2012 Elsevier Inc. All rights reserved.

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