• Takahiro Nakashima, Teruo Noguchi, Yoshio Tahara, Kunihiro Nishimura, Soshiro Ogata, Satoshi Yasuda, Daisuke Onozuka, Naoto Morimura, Ken Nagao, David F Gaieski, Yasufumi Asai, Hiroyuki Yokota, Satoshi Nara, Mamoru Hase, Takahiro Atsumi, Tetsuya Sakamoto, and SAVE-J Group.
• Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Centre.
• Circ. J. 2019 Apr 25; 83 (5): 1011-1018.

BackgroundWe investigated whether patients with out-of-hospital cardiac arrest (OHCA) and sustained ventricular fibrillation/pulseless ventricular tachycardia (VF/pVT) or conversion to pulseless electrical activity/asystole (PEA/asystole) benefit more from extracorporeal cardiopulmonary resuscitation (ECPR). Methods and Results: We analyzed data from the Study of Advanced Life Support for Ventricular Fibrillation with Extracorporeal Circulation in Japan, which was a prospective, multicenter, observational study with 22 institutions in the ECPR group and 17 institutions in the conventional CPR (CCPR) group. Patients were divided into 4 groups by cardiac rhythm and CPR group. The primary endpoint was favorable neurological outcome, defined as Cerebral Performance Category 1 or 2 at 6 months. A total of 407 patients had refractory OHCA with VF/pVT on initial electrocardiogram. The proportion of ECPR patients with favorable neurological outcome was significantly higher in the sustained VF/pVT group than in the conversion to PEA/asystole group (20%, 25/126 vs. 3%, 4/122, P<0.001). Stratifying by cardiac rhythm, on multivariable mixed logistic regression analysis an ECPR strategy significantly increased the proportion of patients with favorable neurological outcome at 6 months in the patients with sustained VF/pVT (OR, 7.35; 95% CI: 1.58-34.09), but these associations were not observed in patients with conversion to PEA/asystole.ConclusionsOHCA patients with sustained VF/pVT may be the most promising ECPR candidates (UMIN000001403).

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