• Assad Haneya, Alois Philipp, Claudius Diez, Simon Schopka, Thomas Bein, Markus Zimmermann, Matthias Lubnow, Andreas Luchner, Ayman Agha, Michael Hilker, Stephan Hirt, Christof Schmid, and Thomas Müller.
• Dept. of Cardiothoracic Surgery, University Medical Center Regensburg, Franz-Josef-Strauss-Allee 11, D-93053 Regensburg, Germany. assadhaneya@web.de
• Resuscitation. 2012 Nov 1;83(11):1331-7.

BackgroundCardiopulmonary resuscitation (CPR) using extracorporeal life support (ECLS) system has been successfully used to support patients with in- and out-of-hospital cardiac arrest (IHCA, OHCA) when conventional measures have failed. The purpose of the current study is to report on our experience with extracorporeal CPR in non-postcardiotomy patients.MethodsWe retrospectively analysed a total of 85 consecutive adult patients, who have been treated with ECLS between January 2007 and January 2012.ResultsThe mean CPR duration was 40 min (20-70 min). The mean ECLS support duration was 49 h (12-92 h). Twenty-eight patients (33%) had ECLS related complications. Forty patients (47%) were successfully weaned and 29 patients (34%) survived to hospital discharge. Among survivors, 93% were without severe neurologic deficit. Duration of CPR was shorter for survivors than for non-survivors [(25: 20-50 min) vs. (50: 25-86 min); p=0.003]. Immediately after ECLS start, the mean blood lactate level was lower (p=0.003), and the mean pH value was higher in the survivors' group (p<0.0001) compared to the non-survivors' group. The CPR duration for the IHCA group (25: 20-50 min) was shorter compared to the OHCA group (70: 55-110min; p<0.0001). The survival rate in this group was higher compared to the OHCA group (42% vs. 15%; p<0.02).ConclusionsCPR using modern miniaturized ECLS systems should be established in the treatment of prolonged cardiac arrest and unsuccessful conventional CPR in selected patients. CPR with ECLS for OHCA has worse outcomes compared to IHCA. Duration of CPR was independent risk factor for mortality after extracorporeal CPR.Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.

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