Table 1: Impella Device Technical Specifications.
| Impella Device | 2.5 | CP | 5.0 | LD | 5.5 | RP |
|---|---|---|---|---|---|---|
| Indication | HRPCI and CS | HRPCI and CS | CS | CS | CS | RHF or decompensation |
| Introducer diameter | 13 Fr | 14 Fr | 23 Fr | -- | 23 Fr | 23 Fr |
| Pump motor | 12 Fr | 14 Fr | 21 Fr | 21 Fr | 19 Fr | 22 Fr |
| Access | Percutaneous femoral or axillary | Percutaneous femoral or axillary | Femoral cutdown or axillary | Direct insertion into AA | Axillary cutdown or direct insertion into AA | Percutaneous femoral vein (to PA) |
| Maximum average flow (l/min) | 2.5 | 3.7 | 5.0 | 5.3 | 5.5 | 4.4 |
| Maximum duration of support | HRPCI: ≤6 hours CS: ≤4 days |
HRPCI: ≤6 hours CS: ≤4 days |
14 days | 14 days | 14 days | 14 days |
| SmartAssist? | N | Y | N | N | Y | N |
All catheter diameters are 9 Fr, with the exception of the Impella RP (11 Fr). AA = ascending aorta; CS = cardiogenic shock; HRPCI = high-risk percutaneous coronary intervention; PA = pulmonary artery; RHF = right heart failure.