Mechanical Support N (%)
Intra-aortic balloon pump placement
None 224 (76.45%)
Preoperative 4 (1.37%)
Intraoperative 59 (20.14%)
Postoperative 6 (2.05%)
Impella placement
None 291 (99.32%)
Preoperative 0 (0.00%)
Intraoperative 2 (0.68%)
Postoperative 0 (0.00%)
ECMO placement
None 268 (91.47%)
Preoperative 2 (0.68%)
Intraoperative 21 (7.17%)
Postoperative 2 (0.68%)
Ventricular assist device placement 0 (0.00%)