TABLE 3.
Baseline Characteristics of Adults Supported With VA-ECMO Stratified by Type of Mechanical Unloading Device
| Total (N = 1,678) | IABP (n = 1,123) | pVAD (n = 555) | P Value | |
|---|---|---|---|---|
| Age, y | 56.84 ± 12.07 | 57.01 ± 12.42 | 56.51 ± 11.33 | 0.43 |
| Male | 1,303 (77.7) | 872 (77.7) | 431 (77.8) | 0.60 |
| Weight, kg | 87.98 ± 21.17 | 85.19 ± 20.24 | 93.56 ± 21.90 | <0.001 |
| Caucasian | 990 (59.0) | 633 (56.4) | 357 (64.3) | <0.001 |
| Primary diagnosis | ||||
| Acute myocardial infarction | 700 (42.5) | 449 (40.8) | 251 (45.9) | 0.05 |
| Chronic heart failure | 401 (24.3) | 243 (22.1) | 158 (28.9) | 0.002 |
| VT/VF | 173 (10.5) | 96 (8.7) | 77 (14.1) | <0.001 |
| Myocarditis | 29 (1.8) | 23 (2.1) | 6 (1.1) | 0.14 |
| Concomitant organ failure | ||||
| Respiratory | 437 (26.0) | 230 (20.5) | 207 (37.3) | <0.001 |
| Renal | 514 (30.6) | 292 (26.0) | 222 (40.0) | <0.001 |
| Liver | 107 (6.3) | 52 (4.6) | 53 (9.5) | <0.001 |
| ECPR modality | 323 (19.2) | 231 (20.6) | 92 (16.6) | 0.05 |
| Pre-ECMO arrest | 945 (56.7) | 580 (52.2) | 365 (65.9) | <0.001 |
| Pre-ECMO MAP, mm Hg | 63.03 ± 20.31 | 64.83 ± 20.15 | 68.12 ± 20.45 | 0.009 |
| Pre-ECMO pH | 7.24 ± 0.17 | 7.24 ± 0.17 | 7.24 ± 0.16 | 0.86 |
| Vasopressors/inotropes | 0.001 | |||
| 0–2 | 958 (57.1) | 651 (58.0) | 307 (55.4) | |
| >2 | 720 (42.9) | 472 (42.0) | 248 (44.6) | |
| Time on ECMO, d | 5.00 (3.00–8.00) | 5.00 (3.00–8.00) | 5.00 (3.00–9.00) | 0.51 |
Values are mean ± SD, n (%), or median (IQR).
IABP = intra-aortic balloon pump; pVAD = percutaneous ventricular assist device; other abbreviations as in Table 1.