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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
  1. IABP intraaortic balloon pump, VA-ECMO veno-arterial extracorporeal membrane oxygenation, LV left ventricle, LA left atrium, RA right atrium, MAP mean arterial pressure, LVEDP left ventricular end-diastolic pressure, PAOP pulmonary artery occlusion pressure