In total, 212 (58.4%) of 363 postcardiotomy
cardiogenic shock patients were successfully weaned from
venoarterial extracorporeal membrane oxygenation. The non-survivors had a longer duration of
extracorporeal membrane oxygenation than the survivors (120.0 (98.0, 160.50) vs. 100.0 (77.0, 126.0), p = 0.000). Variables associated with mortality of patients successfully weaned from
extracorporeal membrane oxygenation by univariable analysis were age, diabetes, vasoactive inotropic score pre-
extracorporeal membrane oxygenation, vasoactive inotropic score at weaning, left ventricular ejection fraction at weaning, central venous pressure at weaning, sequential organ failure assessment score pre-
extracorporeal membrane oxygenation, sequential organ failure assessment at weaning, survival after
venoarterial ECMO pre-
extracorporeal membrane oxygenation, and survival after
venoarterial ECMO at weaning. In the multivariate analysis, sequential organ failure assessment score at weaning (odds ratio = 1.889, 95% confidence interval = 1.460-2.455, p < 0.001) was an independent risk factor for in-hospital mortality of patients successfully weaned from
venoarterial extracorporeal membrane oxygenation. The cumulative 30-day survival rate in patients with a sequential organ failure assessment score < 7 was significantly (p < 0.001) higher than in patients with a sequential organ failure assessment score ⩾ 7 (87% vs. 56.7%, p < 0.001).
CONCLUSION: