Table 2.

Hemodynamic variables of study patients

	Baseline	12 hours	P value
Pulmonary artery occlusion pressure (mmHg)			1.000
Phenylephrine	15 ± 2	17 ± 3*
Norepinephrine	15 ± 2	17 ± 3*
Right atrial pressure (mmHg)			0.902
Phenylephrine	13 ± 3	15 ± 3*
Norepinephrine	13 ± 3	14 ± 3*
Mean pulmonary arterial pressure (mmHg)			0.521
Phenylephrine	28 ± 9	33 ± 11*
Norepinephrine	27 ± 5	30 ± 4*
Pulmonary vascular resistance index (dyne·s/cm5/m2)			0.330
Phenylephrine	293 ± 253	348 ± 296*
Norepinephrine	235 ± 103	264 ± 105
Right ventricular stroke work index (g/m2/beat)			0.564
Phenylephrine	9 ± 5	12 ± 7*
Norepinephrine	8 ± 4	11 ± 4*
Left ventricular stroke work index (g/m2/beat)			0.721
Phenylephrine	25 ± 11	35 ± 14*
Norepinephrine	25 ± 8	37 ± 9*
Stroke volume index (g/m2/beat)			0.963
Phenylephrine	45 ± 18	49 ± 19
Norepinephrine	46 ± 13	50 ± 11
Cardiac troponin I (ng/ml)			0.854
Phenylephrine	1.0 ± 0.9	1.1 ± 0.9
Norepinephrine	0.9 ± 0.9	1.1 ± 0.8

*P < 0.05 versus baseline (significant time effect).