Table 2.
Indication and management characteristics of patients
| Variable | All subjects |
Preclosure used |
Surgical removal |
P value |
|---|---|---|---|---|
| n = 99 | n = 51 | n = 48 | ||
| Indication for VA-ECMO | .369 | |||
| Left heart failure | 87 (87.9) | 44 (86.3) | 43 (89.6) | |
| Right heart failure | 6 (6.1) | 5 (9.8) | 1 (2.1) | |
| Acute pulmonary embolism | 6 (6.1) | 3 (5.9) | 3 (6.3) | |
| Management considerations | ||||
| Cardiopulmonary resuscitation ongoing | 18 (18.2) | 4 (7.8) | 14 (29.3) | .008 |
| Arterial cannula size (Fr) | 17 (17, 19) | 17 (17, 19) | 17.5 (17, 19) | .421 |
| Ipsilateral arterial and venous catheters | 87 (87.9) | 46 (90.2) | 41 (85.4) | .546 |
| Percutaneous Impella∗ | 31 (32.3) | 18 (35.3) | 13 (27.1) | .387 |
| Time spent on ECMO (d) | 6 (5, 9) | 6 (5, 9) | 6 (4.5, 9) | .919 |
| Surgeon performing cannulation† | .047 | |||
| A | 7 | 1 | 6 | |
| B | 11 | 5 | 6 | |
| C | 15 | 11 | 4 | |
| D | 44 | 24 | 20 | |
| E | 12 | 8 | 4 | |
| F | 7 | 2 | 5 | |
| OSH | 3 | 0 | 3 | |
Values are presented as median (25th percentile, 75th percentile) or n (%). VA-ECMO, Venoarterial extracorporeal membrane oxygenation; OSH, outside hospital.
∗
Abiomed, Danvers, Mass.
†
Surgeon identified by coded letter, where n reflects the number of procedures performed.