Table 4.
Baseline characteristics of patients undergoing ECMO with unloading via Impella versus IABP.
| Characteristic | ECMO + IMPELLA (n=19) | ECMO + IABP (n=16) | p-value |
|---|---|---|---|
| Age, years | 55 ± 7.1 | 66 ± 10.7 | 0.0013 |
| Male sex | 13 (81) | 10 (63) | 0.71 |
| Preexisting cardiac disease | |||
| Coronary artery disease | 10 (53) | 8 (50) | 0.88 |
| Non-ischemic cardiomyopathy | 4 (21) | 3 (19) | 0.87 |
| Prior myocardial infarction | 3 (16) | 0 | 0.096 |
| Pulmonary arterial hypertension | 2 (11) | 1 (6) | 0.65 |
| Systemic hypertension | 7 (37) | 11 (69) | 0.060 |
| Other comorbidities | |||
| Chronic kidney disease | 3 (16) | 1 (6) | 0.72 |
| Diabetes mellitus | 6 (32) | 4 (25) | 0.72 |
| Hyperlipidemia | 7 (37) | 8 (50) | 0.43 |
| Peripheral arterial disease | 0 | 1 (6) | 0.46 |
| Prior CT interventions | |||
| Coronary artery bypass grafting | 1 (5) | 2 (13) | 0.58 |
| Percutaneous coronary interventions | 4 (21) | 0 | 0.11 |
| Valve repair/replacement | 0 | 0 | - |
| Heart transplant | 1 (5) | 0 | 1.00 |
| Pre-ECMO pH | 7.26 ± 0.10 | 7.23 ± 0.15 | 0.56 |
| Pre-ECMO Lactate | 7.32 ± 5.03 | 6.55 ± 4.46 | 0.66 |
| Pre-ECMO serum creatinine | 1.88 ± 1.33 | 1.86 ± 1.07 | 0.96 |
| SAVE score | −10 (−13 to −5.5) | −8.5 (−13 to −5) | 0.97 |
Values presented as number (percentage) or mean ± standard deviation.