Table I:

Hemodynamic data.

Hemodynamic parameter	Baseline	30 min post MI	Eight weeks after MI
			Resting 5 μg/kg/min	Dobutamine 10 μg/kg/min	Dobutamine
Systolic ABP (mmHg)	89.0 ± 9.6	81.1 ± 9.3a	88.1 ± 9.9	97.8 ± 12.9b	99.6 ± 14.9b
Systolic PAP (mmHg)	29.2 ± 4.6	31.2 ± 7.8	35.1 ± 2.3a	35.8 ± 3.0	37.2 ± 2.0b
Maximum dP/dt (mmHg/s)	909 ± 244	988 ± 464	840 ± 158d	1529 ± 377a,b,c	2284 ± 436a,b,c,d
Minimum dP/dt (mmHg/s)	−1151 ± 257	−986 ± 473	−963 ± 159a	−1251 ± 221	−1646 ± 495a,b,c
PCWP (mmHg)	13.7 ± 3.3	17.1 ± 6.7a	20.3 ± 3.8a	20.3 ± 3.5a	18.3 ± 3.7a
CVP (mmHg)	11.4 ± 4.4	11.6 ± 3.9	17.3 ± 3.5a,b	16.7 ± 2.6a,b	14.0 ± 3.2
Cardiac output (1/min)	3.5 ± 1.0	3.1 ± 0.6	4.5 ± 1.6b	7.1 ± 2.4a,b,c	6.7 ± 1.9a,b,c

All values are mean ± SD.

ABP: Arterial blood pressure; CVP: Central venous pressure; MI: Myocardial infarction; PAP: Pulmonary artery pressure; PCWP: Pulmonary capillary wedge pressure.

^ap <0.05 versus baseline;

^bp <0.05 versus 30 min after MI;

^cp <0.05 versus resting condition;

^dp <0.05 versus dobutamine 5 μg/kg/min.