Table 1.
Characteristics of peripheral mechanical circulatory support devices.
| Parameter | IABP | Impella 2.5 | Impella CP | Impella 5.0 | TandemHeart | ECMO |
|---|---|---|---|---|---|---|
| Blood flow (L/min) | 0.5–1.0 | 2.5 | 4.0 | 5.0 | 3.5–5.0 | ≥ 6.0 |
| Cannula size (Fr) | 7.0–8.0 | 12 | 14 | 21 | 21 venous, 15–19 arterial | 17–24 venous, 16–21 arterial |
| Insertion | Percutaneous | Percutaneous | Percutaneous | Surgical cutdown† | Percutaneous | Percutaneous and surgical |
| Insertion Time | + | 2+ | 2+ | 4+ | 4+ | 2+ |
| Biventricular Support | − | − | − | − | −* | + |
| Anticoagulation | +/− | + | + | + | + | + |
| Hemolysis | 1+ | 2+ | 2+ | 2+ | 2+ | 2+ |
| Limb Ischemia | 1+ | 2+ | 2+ | 2+ | 3+ | 3+ |
| Risk of Bleeding | 1+ | 1+ | 2+ | 2+ | 3+ | 3+ |
| Vascular Injury or stroke | 1+ | 1+ | 2+ | 2+ | 2+ | 2+ |
| Management complexity | + | 2+ | 2+ | 2+ | 4+ | 3+ |
Key: CP, Cardiac Power; ECMO, extracorporeal membrane oxygenation; Fr, French gauge; IABP, Intra-aortic balloon pump.
*
Placement in the right atrium and pulmonary artery can provide right ventricular support.
†
or transcaval access if ineligible for femoral artery access.