Table 4.

Studies comparing IABP vs. Impella/TandemHeart in patients with cardiogenic shock

Study	Design	Patients (n)	Control	Primary Endpoint	Result	Follow-up
Seyfarth et al.64	Randomized	26	Impella	Cardiac Index	Significant increase with Impella	30 min
IMPRESS65	Randomized	48	Impella	Mortality	NS	30 days
Manzo-Silberman et al.66	Retrospective	78	Impella	Mortality	NS	30 days
Thiele et al.67	Mata-Analysis	148	Impella/ TandemHeart	Mortality	NS	30 days
Schrage et al.68	Retrospective propensity matched	372	Impella	Mortality	NS	30 days
Amin et al.70	Retrospective propensity matched	48306	Impella	Mortality	Significant increase with Impella	In-hospital

NS, not significant.