Mean arterial pressure (mmHg) after IABP Time Total (n=45) Group 1 (n=26) Group 2 (n=19) P (1 - 2) T0 56.1± 18.2 58.1± 18.6 55.2 ± 19.5 >0.05 T1 60.9± 15.8 62.6± 15.0 58.8 ± 18.7 >0.05 T3 63.5± 15.5 61.5± 13.0 65.5 ± 17.6 >0.05 T6 67.5± 12.1 70.2± 12.1 65.4 ± 14.2 <0.05 T24 77.5 ± 12.6 * 80.1 ± 13.4 * 74.1 ± 13.2 <0.05 T48 80.6± 10.3 * 84.6 ± 13.1 * 75.6± 10.7 * <0.05 T72 81.1± 12.5 * 82.7 ± 12.6 * 78.1± 12.8 * <0.05 14 D4 81.9± 9.7 * 83.9± 10.2 * 80.1 ± 9.7 * >0.05 D5 82.5± 10.2 * 84.1 ± 10.0 * 80.7± 10.2 * >0.05 D6 82.4± 11.3 * 84.4± 11.1 * 80.4± 18.1 * >0.05 D7 78.8± 15.4 * 85.8± 15.7 * 66.8± 15.2 * <0.05 Comment: - MAPincreased rapidly after IABP and changed significantly from 24 hours: increasing from 56.1 ± 18.2 to 77.5 ± 12.6 mmHg (p <0.05).