Table 1 Technical properties of percutaneous circulatory assist devices
From: Mechanical Circulatory Support Devices for Cardiogenic Shock: State of the Art
IAPB | IMPELLA 2.5 | IMPELLA CP | IMPELLA 5.0 | TandemHeart | VA-ECMO | |
|---|---|---|---|---|---|---|
Mechanism | Aorta | LV → aorta | LV → aorta | LV → aorta | LA → aorta | RA → aorta |
Flow (L/min) | 0.3–0.5 | 1.0–2.5 | 3.7–4.0 | Max. 5.0 | 2.5–5.0 | 3.0–7.0 |
Cannula size (Fr) | 7–8 | 13–14 | 13–14 | 21 | 15–17 arterial 21 venous | 14–16 arterial 18–21 venous |
Femoral artery size (mm) | > 4.0 | 5.0–5.5 | 5.0–5.5 | 8.0 | 8.0 | 8.0 |
Cardiac synchrony or stable rhythm | Yes | No | No | No | No | No |
Maximum implant days | TBD | 7–10 days | 7–10 days | 2–3 weeks | 2–3 weeks | 3–4 weeks |
Cardiac power | ↑ | ↑↑ | ↑↑ | ↑↑ | ↑↑ | ↑↑↑ |
Afterload | ↓ | ↓ | ↓ | ↓ | ↑ | ↑↑↑ |
MAP | ↑ | ↑↑ | ↑↑ | ↑↑ | ↑↑ | ↑↑ |
LVEDP | ↓ | ↓↓ | ↓↓ | ↓↓ | ↓↓ | ↔ |
PAOP | ↓ | ↓↓ | ↓↓ | ↓↓ | ↓↓ | ↔ |
LV preload | – | ↓↓ | ↓↓ | ↓↓ | ↓↓ | ↓ |
Coronary perfusion | ↑ | ↑ | ↑ | ↑ | – | – |