CI (L / min / m2) after IABP Time Total (n=45) Group 1 (n=26) Group 2 (n=19) P (1 - 2) T0 2.0 ± 0.5 2.2 ± 0.5 2.0 ± 0.3 >0.05 T1 2.7 ± 0.8 2.9 ± 0.8 2.6 ± 0.7 >0.05 T3 2.9 ± 0.1 2.9 ± 0.1 2.9 ± 0.2 >0.05 T6 2.6 ± 0.7 3.1 ± 0.4 2.5 ± 0.5 <0.05 T24 3.8 ± 1.5 4.0 ± 1.5 * 3.4 ± 1.4 <0.05 T48 3.9 ± 0.8 * 3.8 ± 0.7 * 3.9 ± 0.9 * >0.05 T72 4.0 ± 1.2 4.1 ± 1.3 * 3.8 ± 1.3 * >0.05 D4 3.8 ± 0.9 3.9 ± 0.8 * 3.7 ± 0.7 * >0.05 D5 4.1 ± 1.1 4.3 ± 1.0 * 3.8 ± 1.3 * >0.05 D6 4.0 ± 0.9 4.2 ± 0.8 * 3.8 ± 0.8 * >0.05 D7 3.9 ± 0.9 4.1 ± 0.8 * 3.8 ± 0.6 * >0.05 15 Comment: CI improved after IABP 48 hours: 2.0 ± 0.5 to 3.9 ± 1, 2 l/min/m2.