|  | Δ Cardiac output, L/min | 30-day survival, percentage | |||
---|---|---|---|---|---|---|
Study | Patients | VAD | IABP | P value | VAD | IABP |
TandemHeart (pLVAD) | Â | Â | Â | Â | Â | Â |
   Thiele et al. [52] (2005) | 41 | 1.0 | 0.3 | 0.007 | 57 | 55 |
   Burkhoff et al. [53] (2006) | 42 | 1.2 | 0.6 | - | 53 | 64 |
Impella (pLVAD) | Â | Â | Â | Â | Â | Â |
   Seyfarth et al. [54] (2008) | 25 | 0.5 | 0.1 | 0.18 | 54 | 54 |
Centrimag (eBiVAD) | Â | Â | Â | Â | Â | Â |
   John et al. [61] (2007) | 12 | Titrated for cardiac index > 2.2 L/min per m2 | 75 | N/A |