Table 2.
Extracorporeal membrane oxygenation characteristics, all patientsa
| Characteristics | Percutaneous, 798 (22.8) | Not-percutaneous, 2703 (77.2) | P-value |
|---|---|---|---|
| Time on ECMO (hours) | |||
| Mean | 272.0 | 271.5 | p = 0.42 |
| SD | 275.1 | 309.5 | |
| Median | 189.0 | 186.0 | |
| ECMO Mode, n (%) | p < 0.001 | ||
| Veno-Venousb | 624 (78.2) | 975 (36.1) | |
| Veno-Arterialc | 156 (19.5) | 1698 (62.8) | |
| Ventilator Type, n (%) | |||
| Conventional | 395 (49.5) | 1150 (42.5) | p = 0.001 |
| High-frequency oscillation | 282 (35.3) | 1114 (41.2) | |
| Other high-frequency ventilation | 19 (2.4) | 43 (1.6) | |
| Access site, n (%) | |||
| Aorta | 2 (0.3) | 95 (3.5) | p < 0.001 |
| Left atrium | 0 (0.0) | 6 (0.2) | |
| Right atrium | 2 (0.3) | 111 (4.1) | |
| Femoral vessels | 190 (23.8) | 310 (11.5) | |
| Jugular vessels | 532 (66.7) | 1420 (52.5) | |
| Carotid vessels | 56 (7.0) | 655 (24.2) | |
| Left internal jugular | 13 (1.6) | 26 (1.0) | |
| Other | 2 (0.3) | 23 (0.9) | |
| Pulmonary artery | 0 (0.0) | 6 (0.2) | |
| Right inferior vena cava (RIJVC) | 14 (1.8) | 77 (2.8) |
a
Column totals greater than total number of patients as patients with conversion between ECMO modes or access sites included more than once
b
Veno-venous includes runs categorized as: VV, VVDL, VVDL+V only
c
Veno-arterial includes runs categorized as: VA, VA-VV, VA+V, VVA, VV-VA