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Aim: Extracorporeal cardiopulmonary resuscitation (ECPR) has been shown to have survival benefit over conventional CPR (CCPR) in patients with in-hospital cardiac arrest of cardiac origin. We compared the survival of patients who had return of spontaneous beating (ROSB) after ECPR with the survival of those who had return of spontaneous circulation (ROSC) after conventional CPR., Methods: Propensity score-matched cohort of adults with in-hospital prolonged CPR (>10min) of cardiac origin in a university-affiliated tertiary extracorporeal resuscitation center were included in this study. Fifty-nine patients with ROSB after ECPR and 63 patients with sustained ROSC by CCPR were analyzed. Main outcome measures were survival at hospital discharge, 30 days, 6 months, and one year, and neurological outcome., Results: There was no statistical difference in survival to discharge (29.1% of ECPR responders vs. 22.2% of CCPR responders, p=0.394) and neurological outcome at discharge and one year later. In the propensity score-matched groups, 9 out of 27 ECPR patients survived to one month (33.3%) and 7 out of 27 CCPR patients survived (25.9%). Survival analysis showed no survival difference (HR: 0.856, p=0.634, 95% CI: 0.453-1.620) between the groups, either at 30 days or at the end of one year (HR: 0.602, p=0.093, 95% CI: 0.333-1.088)., Conclusions: This study failed to demonstrate a survival difference between patients who had ROSB after institution of ECMO and those who had ROSC after conventional CPR. Further studies evaluating the role of ECMO in conventional CPR rescued patients are warranted.

Cardiopulmonary resuscitation (CPR) for 10-30 min without return of spontaneous circulation is considered to have a grave prognosis. We report a 27-year-old woman who experienced in-hospital, witnessed cardiac arrest and underwent prolonged CPR with manual chest compressions for 280 min. Adequate chest compression was monitored with femoral arterial pressure monitoring. During this time, she was alert and responsive. She was then supported with extracorporeal membrane oxygenation (ECMO) for 9 days without her heart beating. After combined heart and kidney transplantation, she recovered well with intact cerebral performance. This successful case report supports the endeavours for relentless CPR efforts.