Figure 1

Flowchart of study. Among 1247 patients with cardiogenic shock, 485 received VA-ECMO support. Consecutive 312 patients were removed from ECMO, either after recovery from shock or after hopeless removal. Among patients who underwent ECMO removal (n = 312), 262 were successfully weaned by maintaining blood pressure (> 65 mmHg) for > 24 h after ECMO removal. ECMO extracorporeal membrane oxygenation, VA-ECMO venoarterial extracorporeal membrane oxygenation.