Table 3.
ECMO-Related Data in Patients With Severe COVID-19
| Variables | Overall Series (N = 132) | 6-Month Survivors (N = 62) | 6-Month Deaths (N = 70) | p Value |
|---|---|---|---|---|
| Time from ICU admission to ECMO, days | 5.8 (5.3) | 5.3 (5.5) | 6.2 (5.2) | 0.182 |
| Primary ECMO inflow vessel | 0.395 | |||
| Femoral vein | 90 (68.2) | 40 (64.5) | 50 (71.4) | |
| Jugular vein | 42 (31.8) | 22 (35.5) | 20 (28.6) | |
| Primary ECMO outflow vessel | 0.286 | |||
| Femoral vein | 21 (15.9) | 11 (17.7) | 10 (14.3) | |
| Jugular vein | 102 (77.3) | 49 (79.0) | 53 (75.7) | |
| Femoral artery | 9 (6.8) | 2 (3.2) | 7 (10.0) | |
| Primary ECMO double-lumen cannula | 23 (17.4) | 11 (17.7) | 12 (17.1) | 1.000 |
| Primary ECMO configuration | 0.102 | |||
| VV ECMO | 122 (92.4) | 60 (96.8) | 62 (88.6) | |
| VA ECMO | 10 (7.6) | 2 (3.2) | 8 (11.4) | |
| Second run ECMO configuration | 0.513 | |||
| VV ECMO | 6 (4.5) | 4 (6.5) | 2 (2.9) | |
| VA ECMO | 3 (2.3) | 1 (1.6) | 2 (2.9) | |
| VAV ECMO | 4 (3.0) | 1 (1.6) | 3 (4.3) | |
| VVA ECMO | 1 (0.8) | 0 | 1 (1.4) | |
| Third run ECMO configuration | 0.407 | |||
| VV ECMO | 1 (0.8) | 0 | 1 (1.4) | |
| VAV ECMO | 1 (0.8) | 0 | 1 (1.4) | |
| Mean duration of ECMO, days | 14.6 (11.0) | 15.1 (9.8) | 14.1 (12.0) | 0.295 |
NOTE. Continuous values are reported as mean and standard deviation (in parentheses) and categorical variables as counts and percentages (in parentheses).
Abbreviations: COVID-19, coronavirus disease 2019; ECMO, extracorporeal membrane oxygenation; ICU, intensive care unit; VA, venoarterial; VAV, venoarterio-venous; VV, venovenous; VVA, veno-venoarterial.