The comparion between before initiating VA ECMO and ending ECMO, heart rate decreased from 116.9 ± 43.02 to 94.4 ± 29.02 beats per minute, mean blood pressure, and blood pressure increased from 62.4 ± 24.60 mmHg, 33.7 ± 14.85 mmHg to 77.6 ± 17.70 mmHg, 39.5 ± 16.71 mmHg respectively.